Merge branch 'master' of https://code-repo.d4science.org/D-Net/dnet-hadoop into orcid-no-doi

dhp-build/dhp-build-assembly-resources/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-build</artifactId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>dhp-build-assembly-resources</artifactId>

dhp-build/dhp-build-properties-maven-plugin/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-build</artifactId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
 
     <artifactId>dhp-build-properties-maven-plugin</artifactId>

dhp-build/dhp-code-style/pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>eu.dnetlib.dhp</groupId>
     <artifactId>dhp-code-style</artifactId>
-    <version>1.2.3-SNAPSHOT</version>
+    <version>1.2.4-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 

dhp-build/pom.xml

@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>eu.dnetlib.dhp</groupId>
 		<artifactId>dhp</artifactId>
-		<version>1.2.3-SNAPSHOT</version>
+		<version>1.2.4-SNAPSHOT</version>
 	</parent>
 	<artifactId>dhp-build</artifactId>
 	<packaging>pom</packaging>

dhp-common/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>eu.dnetlib.dhp</groupId>
 		<artifactId>dhp</artifactId>
-		<version>1.2.3-SNAPSHOT</version>
+		<version>1.2.4-SNAPSHOT</version>
 		<relativePath>../</relativePath>
 	</parent>
 

dhp-schemas/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp</artifactId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
 

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java

@@ -1,6 +1,10 @@
 
 package eu.dnetlib.dhp.schema.common;
 
+import java.security.Key;
+
+import eu.dnetlib.dhp.schema.oaf.DataInfo;
+import eu.dnetlib.dhp.schema.oaf.KeyValue;
 import eu.dnetlib.dhp.schema.oaf.Qualifier;
 
 public class ModelConstants {
@@ -95,6 +99,9 @@ public class ModelConstants {
 		SYSIMPORT_CROSSWALK_ENTITYREGISTRY, SYSIMPORT_CROSSWALK_ENTITYREGISTRY,
 		DNET_PROVENANCE_ACTIONS, DNET_PROVENANCE_ACTIONS);
 
+	public static final KeyValue UNKNOWN_REPOSITORY = keyValue(
+		"10|openaire____::55045bd2a65019fd8e6741a755395c8c", "Unknown Repository");
+
 	private static Qualifier qualifier(
 		final String classid,
 		final String classname,
@@ -107,4 +114,12 @@ public class ModelConstants {
 		q.setSchemename(schemename);
 		return q;
 	}
+
+	private static KeyValue keyValue(String key, String value) {
+		KeyValue kv = new KeyValue();
+		kv.setKey(key);
+		kv.setValue(value);
+		kv.setDataInfo(new DataInfo());
+		return kv;
+	}
 }

dhp-workflows/dhp-actionmanager/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-workflows</artifactId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <artifactId>dhp-actionmanager</artifactId>
 

dhp-workflows/dhp-actionmanager/src/main/java/eu/dnetlib/dhp/actionmanager/promote/PromoteActionPayloadForGraphTableJob.java

@@ -4,6 +4,7 @@ package eu.dnetlib.dhp.actionmanager.promote;
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
 import static eu.dnetlib.dhp.schema.common.ModelSupport.isSubClass;
 
+import java.io.IOException;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.function.BiFunction;
@@ -20,6 +21,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.common.FunctionalInterfaceSupport.SerializableSupplier;
@@ -134,24 +136,39 @@ public class PromoteActionPayloadForGraphTableJob {
 			.map(
 				(MapFunction<String, G>) value -> OBJECT_MAPPER.readValue(value, rowClazz),
 				Encoders.bean(rowClazz));
-
-		/*
-		 * return spark .read() .parquet(path) .as(Encoders.bean(rowClazz));
-		 */
 	}
 
 	private static <A extends Oaf> Dataset<A> readActionPayload(
 		SparkSession spark, String path, Class<A> actionPayloadClazz) {
 		logger.info("Reading action payload from path: {}", path);
+
 		return spark
 			.read()
 			.parquet(path)
+			.map((MapFunction<Row, String>) value -> extractPayload(value), Encoders.STRING())
 			.map(
-				(MapFunction<Row, A>) value -> OBJECT_MAPPER
-					.readValue(value.<String> getAs("payload"), actionPayloadClazz),
+				(MapFunction<String, A>) value -> decodePayload(actionPayloadClazz, value),
 				Encoders.bean(actionPayloadClazz));
 	}
 
+	private static String extractPayload(Row value) {
+		try {
+			return value.<String> getAs("payload");
+		} catch (IllegalArgumentException | ClassCastException e) {
+			logger.error("cannot extract payload from action: {}", value.toString());
+			throw e;
+		}
+	}
+
+	private static <A extends Oaf> A decodePayload(Class<A> actionPayloadClazz, String payload) throws IOException {
+		try {
+			return OBJECT_MAPPER.readValue(payload, actionPayloadClazz);
+		} catch (UnrecognizedPropertyException e) {
+			logger.error("error decoding payload: {}", payload);
+			throw e;
+		}
+	}
+
 	private static <G extends Oaf, A extends Oaf> Dataset<G> promoteActionPayloadForGraphTable(
 		Dataset<G> rowDS,
 		Dataset<A> actionPayloadDS,

dhp-workflows/dhp-aggregation/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>eu.dnetlib.dhp</groupId>
         <artifactId>dhp-workflows</artifactId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <artifactId>dhp-aggregation</artifactId>
     

dhp-workflows/dhp-blacklist/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-broker-events/pom.xml

@@ -3,7 +3,7 @@
 	<parent>
 		<artifactId>dhp-workflows</artifactId>
 		<groupId>eu.dnetlib.dhp</groupId>
-		<version>1.2.3-SNAPSHOT</version>
+		<version>1.2.4-SNAPSHOT</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 
@@ -53,7 +53,7 @@
 		<dependency>
 			<groupId>eu.dnetlib</groupId>
 			<artifactId>dnet-openaire-broker-common</artifactId>
-			<version>[3.0.1,4.0.0)</version>
+			<version>[3.0.3,4.0.0)</version>
 		</dependency>
 
 	</dependencies>

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/model/Event.java

@@ -2,7 +2,6 @@
 package eu.dnetlib.dhp.broker.model;
 
 import java.io.Serializable;
-import java.util.Map;
 
 public class Event implements Serializable {
 
@@ -25,7 +24,7 @@ public class Event implements Serializable {
 
 	private boolean instantMessage;
 
-	private Map<String, Object> map;
+	private MappedFields map;
 
 	public Event() {
 	}
@@ -33,7 +32,7 @@ public class Event implements Serializable {
 	public Event(final String producerId, final String eventId, final String topic, final String payload,
 		final Long creationDate, final Long expiryDate,
 		final boolean instantMessage,
-		final Map<String, Object> map) {
+		final MappedFields map) {
 		this.producerId = producerId;
 		this.eventId = eventId;
 		this.topic = topic;
@@ -100,11 +99,11 @@ public class Event implements Serializable {
 		this.instantMessage = instantMessage;
 	}
 
-	public Map<String, Object> getMap() {
+	public MappedFields getMap() {
 		return this.map;
 	}
 
-	public void setMap(final Map<String, Object> map) {
+	public void setMap(final MappedFields map) {
 		this.map = map;
 	}
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/model/EventFactory.java

@@ -3,15 +3,14 @@ package eu.dnetlib.dhp.broker.model;
 
 import java.text.ParseException;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
+import java.util.stream.Collectors;
 
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.time.DateUtils;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.oa.util.UpdateInfo;
 
 public class EventFactory {
@@ -30,10 +29,10 @@ public class EventFactory {
 
 		final Event res = new Event();
 
-		final Map<String, Object> map = createMapFromResult(updateInfo);
+		final MappedFields map = createMapFromResult(updateInfo);
 
 		final String eventId = calculateEventId(
-			updateInfo.getTopicPath(), updateInfo.getTarget().getOriginalId(), updateInfo.getHighlightValueAsString());
+			updateInfo.getTopicPath(), updateInfo.getTarget().getOpenaireId(), updateInfo.getHighlightValueAsString());
 
 		res.setEventId(eventId);
 		res.setProducerId(PRODUCER_ID);
@@ -46,35 +45,35 @@ public class EventFactory {
 		return res;
 	}
 
-	private static Map<String, Object> createMapFromResult(final UpdateInfo<?> updateInfo) {
-		final Map<String, Object> map = new HashMap<>();
+	private static MappedFields createMapFromResult(final UpdateInfo<?> updateInfo) {
+		final MappedFields map = new MappedFields();
 
-		final OpenaireBrokerResult source = updateInfo.getSource();
-		final OpenaireBrokerResult target = updateInfo.getTarget();
+		final OaBrokerMainEntity source = updateInfo.getSource();
+		final OaBrokerMainEntity target = updateInfo.getTarget();
 
-		map.put("target_datasource_id", target.getCollectedFromId());
-		map.put("target_datasource_name", target.getCollectedFromName());
+		map.setTargetDatasourceId(target.getCollectedFromId());
+		map.setTargetDatasourceName(target.getCollectedFromName());
 
-		map.put("target_publication_id", target.getOriginalId());
+		map.setTargetResultId(target.getOpenaireId());
 
 		final List<String> titles = target.getTitles();
 		if (titles.size() > 0) {
-			map.put("target_publication_title", titles.get(0));
+			map.setTargetResultTitle(titles.get(0));
 		}
 
 		final long date = parseDateTolong(target.getPublicationdate());
 		if (date > 0) {
-			map.put("target_dateofacceptance", date);
+			map.setTargetDateofacceptance(date);
 		}
 
-		map.put("target_publication_subject_list", target.getSubjects());
-		map.put("target_publication_author_list", target.getCreators());
+		map.setTargetSubjects(target.getSubjects().stream().map(s -> s.getValue()).collect(Collectors.toList()));
+		map.setTargetAuthors(target.getCreators().stream().map(a -> a.getFullname()).collect(Collectors.toList()));
 
 		// PROVENANCE INFO
-		map.put("trust", updateInfo.getTrust());
-		map.put("provenance_datasource_id", source.getCollectedFromId());
-		map.put("provenance_datasource_name", source.getCollectedFromName());
-		map.put("provenance_publication_id_list", source.getOriginalId());
+		map.setTrust(updateInfo.getTrust());
+		map.setProvenanceDatasourceId(source.getCollectedFromId());
+		map.setProvenanceDatasourceName(source.getCollectedFromName());
+		map.setProvenanceResultId(source.getOpenaireId());
 
 		return map;
 	}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/model/MappedFields.java

@@ -0,0 +1,114 @@
+
+package eu.dnetlib.dhp.broker.model;
+
+import java.io.Serializable;
+import java.util.List;
+
+public class MappedFields implements Serializable {
+
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = -7999704113195802008L;
+
+	private String targetDatasourceId;
+	private String targetDatasourceName;
+	private String targetResultId;
+	private String targetResultTitle;
+	private long targetDateofacceptance;
+	private List<String> targetSubjects;
+	private List<String> targetAuthors;
+	private float trust;
+	private String provenanceDatasourceId;
+	private String provenanceDatasourceName;
+	private String provenanceResultId;
+
+	public String getTargetDatasourceId() {
+		return targetDatasourceId;
+	}
+
+	public void setTargetDatasourceId(final String targetDatasourceId) {
+		this.targetDatasourceId = targetDatasourceId;
+	}
+
+	public String getTargetDatasourceName() {
+		return targetDatasourceName;
+	}
+
+	public void setTargetDatasourceName(final String targetDatasourceName) {
+		this.targetDatasourceName = targetDatasourceName;
+	}
+
+	public String getTargetResultId() {
+		return targetResultId;
+	}
+
+	public void setTargetResultId(final String targetResultId) {
+		this.targetResultId = targetResultId;
+	}
+
+	public String getTargetResultTitle() {
+		return targetResultTitle;
+	}
+
+	public void setTargetResultTitle(final String targetResultTitle) {
+		this.targetResultTitle = targetResultTitle;
+	}
+
+	public long getTargetDateofacceptance() {
+		return targetDateofacceptance;
+	}
+
+	public void setTargetDateofacceptance(final long targetDateofacceptance) {
+		this.targetDateofacceptance = targetDateofacceptance;
+	}
+
+	public List<String> getTargetSubjects() {
+		return targetSubjects;
+	}
+
+	public void setTargetSubjects(final List<String> targetSubjects) {
+		this.targetSubjects = targetSubjects;
+	}
+
+	public List<String> getTargetAuthors() {
+		return targetAuthors;
+	}
+
+	public void setTargetAuthors(final List<String> targetAuthors) {
+		this.targetAuthors = targetAuthors;
+	}
+
+	public float getTrust() {
+		return trust;
+	}
+
+	public void setTrust(final float trust) {
+		this.trust = trust;
+	}
+
+	public String getProvenanceDatasourceId() {
+		return provenanceDatasourceId;
+	}
+
+	public void setProvenanceDatasourceId(final String provenanceDatasourceId) {
+		this.provenanceDatasourceId = provenanceDatasourceId;
+	}
+
+	public String getProvenanceDatasourceName() {
+		return provenanceDatasourceName;
+	}
+
+	public void setProvenanceDatasourceName(final String provenanceDatasourceName) {
+		this.provenanceDatasourceName = provenanceDatasourceName;
+	}
+
+	public String getProvenanceResultId() {
+		return provenanceResultId;
+	}
+
+	public void setProvenanceResultId(final String provenanceResultId) {
+		this.provenanceResultId = provenanceResultId;
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsApplication.java

@@ -1,228 +0,0 @@
-
-package eu.dnetlib.dhp.broker.oa;
-
-import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
-
-import java.util.Optional;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.spark.SparkConf;
-import org.apache.spark.api.java.function.MapFunction;
-import org.apache.spark.sql.Dataset;
-import org.apache.spark.sql.Encoders;
-import org.apache.spark.sql.SaveMode;
-import org.apache.spark.sql.SparkSession;
-import org.apache.spark.sql.TypedColumn;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.broker.model.Event;
-import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
-import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
-import eu.dnetlib.dhp.broker.oa.util.EventFinder;
-import eu.dnetlib.dhp.broker.oa.util.EventGroup;
-import eu.dnetlib.dhp.broker.oa.util.aggregators.simple.ResultAggregator;
-import eu.dnetlib.dhp.broker.oa.util.aggregators.simple.ResultGroup;
-import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.OpenaireBrokerResultAggregator;
-import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedEntityFactory;
-import eu.dnetlib.dhp.common.HdfsSupport;
-import eu.dnetlib.dhp.schema.oaf.Project;
-import eu.dnetlib.dhp.schema.oaf.Publication;
-import eu.dnetlib.dhp.schema.oaf.Relation;
-import eu.dnetlib.dhp.schema.oaf.Result;
-import eu.dnetlib.dhp.schema.oaf.Software;
-import eu.dnetlib.dhp.utils.ISLookupClientFactory;
-import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
-import eu.dnetlib.pace.config.DedupConfig;
-import scala.Tuple2;
-
-public class GenerateEventsApplication {
-
-	private static final Logger log = LoggerFactory.getLogger(GenerateEventsApplication.class);
-
-	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
-
-	public static void main(final String[] args) throws Exception {
-		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
-			IOUtils
-				.toString(
-					GenerateEventsApplication.class
-						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/generate_broker_events.json")));
-		parser.parseArgument(args);
-
-		final Boolean isSparkSessionManaged = Optional
-			.ofNullable(parser.get("isSparkSessionManaged"))
-			.map(Boolean::valueOf)
-			.orElse(Boolean.TRUE);
-		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
-
-		final String graphPath = parser.get("graphPath");
-		log.info("graphPath: {}", graphPath);
-
-		final String eventsPath = parser.get("eventsPath");
-		log.info("eventsPath: {}", eventsPath);
-
-		final String isLookupUrl = parser.get("isLookupUrl");
-		log.info("isLookupUrl: {}", isLookupUrl);
-
-		final String dedupConfigProfileId = parser.get("dedupConfProfile");
-		log.info("dedupConfigProfileId: {}", dedupConfigProfileId);
-
-		final SparkConf conf = new SparkConf();
-		// conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer");
-		// conf.registerKryoClasses(BrokerConstants.getModelClasses());
-
-		// TODO UNCOMMENT
-		// final DedupConfig dedupConfig = loadDedupConfig(isLookupUrl, dedupConfigProfileId);
-		final DedupConfig dedupConfig = null;
-
-		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
-
-			removeOutputDir(spark, eventsPath);
-
-			// TODO REMOVE THIS
-			expandResultsWithRelations(spark, graphPath, Publication.class)
-				.write()
-				.mode(SaveMode.Overwrite)
-				.json(eventsPath);
-
-			// TODO UNCOMMENT THIS
-			// spark
-			// .emptyDataset(Encoders.bean(Event.class))
-			// .union(generateEvents(spark, graphPath, Publication.class, dedupConfig))
-			// .union(generateEvents(spark, graphPath, eu.dnetlib.dhp.schema.oaf.Dataset.class, dedupConfig))
-			// .union(generateEvents(spark, graphPath, Software.class, dedupConfig))
-			// .union(generateEvents(spark, graphPath, OtherResearchProduct.class, dedupConfig))
-			// .write()
-			// .mode(SaveMode.Overwrite)
-			// .option("compression", "gzip")
-			// .json(eventsPath);
-		});
-
-	}
-
-	private static void removeOutputDir(final SparkSession spark, final String path) {
-		HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
-	}
-
-	private static <SRC extends Result> Dataset<Event> generateEvents(
-		final SparkSession spark,
-		final String graphPath,
-		final Class<SRC> sourceClass,
-		final DedupConfig dedupConfig) {
-
-		final Dataset<OpenaireBrokerResult> results = expandResultsWithRelations(spark, graphPath, sourceClass);
-
-		final Dataset<Relation> mergedRels = readPath(spark, graphPath + "/relation", Relation.class)
-			.filter(r -> r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS));
-
-		final TypedColumn<Tuple2<OpenaireBrokerResult, Relation>, ResultGroup> aggr = new ResultAggregator()
-			.toColumn();
-
-		return results
-			.joinWith(mergedRels, results.col("openaireId").equalTo(mergedRels.col("source")), "inner")
-			.groupByKey(
-				(MapFunction<Tuple2<OpenaireBrokerResult, Relation>, String>) t -> t._2.getTarget(), Encoders.STRING())
-			.agg(aggr)
-			.map((MapFunction<Tuple2<String, ResultGroup>, ResultGroup>) t -> t._2, Encoders.bean(ResultGroup.class))
-			.filter(ResultGroup::isValid)
-			.map(
-				(MapFunction<ResultGroup, EventGroup>) g -> EventFinder.generateEvents(g, dedupConfig),
-				Encoders.bean(EventGroup.class))
-			.flatMap(group -> group.getData().iterator(), Encoders.bean(Event.class));
-	}
-
-	private static <SRC extends Result> Dataset<OpenaireBrokerResult> expandResultsWithRelations(
-		final SparkSession spark,
-		final String graphPath,
-		final Class<SRC> sourceClass) {
-
-		final Dataset<Project> projects = readPath(spark, graphPath + "/project", Project.class);
-		final Dataset<eu.dnetlib.dhp.schema.oaf.Dataset> datasets = readPath(
-			spark, graphPath + "/dataset", eu.dnetlib.dhp.schema.oaf.Dataset.class);
-		final Dataset<Software> softwares = readPath(spark, graphPath + "/software", Software.class);
-		final Dataset<Publication> publications = readPath(spark, graphPath + "/publication", Publication.class);
-
-		final Dataset<Relation> rels = readPath(spark, graphPath + "/relation", Relation.class)
-			.filter(r -> !r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS))
-			.cache();
-
-		final Dataset<OpenaireBrokerResult> r0 = readPath(
-			spark, graphPath + "/" + sourceClass.getSimpleName().toLowerCase(), sourceClass)
-				.filter(r -> r.getDataInfo().getDeletedbyinference())
-				.map(ConversionUtils::oafResultToBrokerResult, Encoders.bean(OpenaireBrokerResult.class));
-
-		// TODO UNCOMMENT THIS
-		// final Dataset<OpenaireBrokerResult> r1 = join(r0, rels, relatedEntities(projects, rels,
-		// RelatedProject.class));
-		// final Dataset<OpenaireBrokerResult> r2 = join(r1, rels, relatedEntities(softwares, rels,
-		// RelatedSoftware.class));
-		// final Dataset<OpenaireBrokerResult> r3 = join(r2, rels, relatedEntities(datasets, rels,
-		// RelatedDataset.class));
-		// final Dataset<OpenaireBrokerResult> r4 = join(r3, rels, relatedEntities(publications, rels,
-		// RelatedPublication.class));;
-
-		return r0; // TODO it should be r4
-	}
-
-	private static <T, RT> Dataset<RT> relatedEntities(final Dataset<T> targets,
-		final Dataset<Relation> rels,
-		final Class<RT> clazz) {
-		return rels
-			.joinWith(targets, targets.col("id").equalTo(rels.col("target")), "inner")
-			.map(
-				t -> RelatedEntityFactory.newRelatedEntity(t._1.getSource(), t._1.getRelType(), t._2, clazz),
-				Encoders.bean(clazz));
-	}
-
-	private static <T> Dataset<OpenaireBrokerResult> join(final Dataset<OpenaireBrokerResult> sources,
-		final Dataset<Relation> rels,
-		final Dataset<T> typedRels) {
-
-		final TypedColumn<Tuple2<OpenaireBrokerResult, T>, OpenaireBrokerResult> aggr = new OpenaireBrokerResultAggregator<T>()
-			.toColumn();
-		;
-
-		return sources
-			.joinWith(typedRels, sources.col("openaireId").equalTo(rels.col("source")), "left_outer")
-			.groupByKey(
-				(MapFunction<Tuple2<OpenaireBrokerResult, T>, String>) t -> t._1.getOpenaireId(), Encoders.STRING())
-			.agg(aggr)
-			.map(t -> t._2, Encoders.bean(OpenaireBrokerResult.class));
-
-	}
-
-	public static <R> Dataset<R> readPath(
-		final SparkSession spark,
-		final String inputPath,
-		final Class<R> clazz) {
-		return spark
-			.read()
-			.textFile(inputPath)
-			.map((MapFunction<String, R>) value -> OBJECT_MAPPER.readValue(value, clazz), Encoders.bean(clazz));
-	}
-
-	private static DedupConfig loadDedupConfig(final String isLookupUrl, final String profId) throws Exception {
-
-		final ISLookUpService isLookUpService = ISLookupClientFactory.getLookUpService(isLookupUrl);
-
-		final String conf = isLookUpService
-			.getResourceProfileByQuery(
-				String
-					.format(
-						"for $x in /RESOURCE_PROFILE[.//RESOURCE_IDENTIFIER/@value = '%s'] return $x//DEDUPLICATION/text()",
-						profId));
-
-		final DedupConfig dedupConfig = new ObjectMapper().readValue(conf, DedupConfig.class);
-		dedupConfig.getPace().initModel();
-		dedupConfig.getPace().initTranslationMap();
-		// dedupConfig.getWf().setConfigurationId("???");
-
-		return dedupConfig;
-	}
-
-}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsJob.java

@@ -0,0 +1,103 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.model.Event;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.EventFinder;
+import eu.dnetlib.dhp.broker.oa.util.EventGroup;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.simple.ResultGroup;
+import eu.dnetlib.dhp.utils.ISLookupClientFactory;
+import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
+import eu.dnetlib.pace.config.DedupConfig;
+
+public class GenerateEventsJob {
+
+	private static final Logger log = LoggerFactory.getLogger(GenerateEventsJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					GenerateEventsJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/generate_events.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String isLookupUrl = parser.get("isLookupUrl");
+		log.info("isLookupUrl: {}", isLookupUrl);
+
+		final String dedupConfigProfileId = parser.get("dedupConfProfile");
+		log.info("dedupConfigProfileId: {}", dedupConfigProfileId);
+
+		final String eventsPath = workingPath + "/events";
+		log.info("eventsPath: {}", eventsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		// TODO UNCOMMENT
+		// final DedupConfig dedupConfig = loadDedupConfig(isLookupUrl, dedupConfigProfileId);
+		final DedupConfig dedupConfig = null;
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, eventsPath);
+
+			final Dataset<ResultGroup> groups = ClusterUtils
+				.readPath(spark, workingPath + "/duplicates", ResultGroup.class);
+
+			final Dataset<Event> events = groups
+				.map(
+					(MapFunction<ResultGroup, EventGroup>) g -> EventFinder.generateEvents(g, dedupConfig),
+					Encoders.bean(EventGroup.class))
+				.flatMap(group -> group.getData().iterator(), Encoders.bean(Event.class));
+
+			events.write().mode(SaveMode.Overwrite).json(eventsPath);
+
+		});
+
+	}
+
+	private static DedupConfig loadDedupConfig(final String isLookupUrl, final String profId) throws Exception {
+
+		final ISLookUpService isLookUpService = ISLookupClientFactory.getLookUpService(isLookupUrl);
+
+		final String conf = isLookUpService
+			.getResourceProfileByQuery(
+				String
+					.format(
+						"for $x in /RESOURCE_PROFILE[.//RESOURCE_IDENTIFIER/@value = '%s'] return $x//DEDUPLICATION/text()",
+						profId));
+
+		final DedupConfig dedupConfig = new ObjectMapper().readValue(conf, DedupConfig.class);
+		dedupConfig.getPace().initModel();
+		dedupConfig.getPace().initTranslationMap();
+		// dedupConfig.getWf().setConfigurationId("???");
+
+		return dedupConfig;
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/JoinStep1Job.java

@@ -0,0 +1,79 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.TypedColumn;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedProject;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedProjectAggregator;
+import scala.Tuple2;
+
+public class JoinStep1Job {
+
+	private static final Logger log = LoggerFactory.getLogger(JoinStep1Job.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					JoinStep1Job.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String joinedEntitiesPath = workingPath + "/joinedEntities_step1";
+		log.info("joinedEntitiesPath: {}", joinedEntitiesPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, joinedEntitiesPath);
+
+			final Dataset<OaBrokerMainEntity> sources = ClusterUtils
+				.readPath(spark, workingPath + "/simpleEntities", OaBrokerMainEntity.class);
+
+			final Dataset<RelatedProject> typedRels = ClusterUtils
+				.readPath(spark, workingPath + "/relatedProjects", RelatedProject.class);
+
+			final TypedColumn<Tuple2<OaBrokerMainEntity, RelatedProject>, OaBrokerMainEntity> aggr = new RelatedProjectAggregator()
+				.toColumn();
+
+			sources
+				.joinWith(typedRels, sources.col("openaireId").equalTo(typedRels.col("source")), "left_outer")
+				.groupByKey(
+					(MapFunction<Tuple2<OaBrokerMainEntity, RelatedProject>, String>) t -> t._1.getOpenaireId(),
+					Encoders.STRING())
+				.agg(aggr)
+				.map(t -> t._2, Encoders.bean(OaBrokerMainEntity.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(joinedEntitiesPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/JoinStep2Job.java

@@ -0,0 +1,79 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.TypedColumn;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedSoftware;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedSoftwareAggregator;
+import scala.Tuple2;
+
+public class JoinStep2Job {
+
+	private static final Logger log = LoggerFactory.getLogger(JoinStep2Job.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					JoinStep2Job.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String joinedEntitiesPath = workingPath + "/joinedEntities_step2";
+		log.info("joinedEntitiesPath: {}", joinedEntitiesPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, joinedEntitiesPath);
+
+			final Dataset<OaBrokerMainEntity> sources = ClusterUtils
+				.readPath(spark, workingPath + "/joinedEntities_step1", OaBrokerMainEntity.class);
+
+			final Dataset<RelatedSoftware> typedRels = ClusterUtils
+				.readPath(spark, workingPath + "/relatedSoftwares", RelatedSoftware.class);
+
+			final TypedColumn<Tuple2<OaBrokerMainEntity, RelatedSoftware>, OaBrokerMainEntity> aggr = new RelatedSoftwareAggregator()
+				.toColumn();
+
+			sources
+				.joinWith(typedRels, sources.col("openaireId").equalTo(typedRels.col("source")), "left_outer")
+				.groupByKey(
+					(MapFunction<Tuple2<OaBrokerMainEntity, RelatedSoftware>, String>) t -> t._1.getOpenaireId(),
+					Encoders.STRING())
+				.agg(aggr)
+				.map(t -> t._2, Encoders.bean(OaBrokerMainEntity.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(joinedEntitiesPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/JoinStep3Job.java

@@ -0,0 +1,79 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.TypedColumn;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedDataset;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedDatasetAggregator;
+import scala.Tuple2;
+
+public class JoinStep3Job {
+
+	private static final Logger log = LoggerFactory.getLogger(JoinStep3Job.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					JoinStep3Job.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String joinedEntitiesPath = workingPath + "/joinedEntities_step3";
+		log.info("joinedEntitiesPath: {}", joinedEntitiesPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, joinedEntitiesPath);
+
+			final Dataset<OaBrokerMainEntity> sources = ClusterUtils
+				.readPath(spark, workingPath + "/joinedEntities_step2", OaBrokerMainEntity.class);
+
+			final Dataset<RelatedDataset> typedRels = ClusterUtils
+				.readPath(spark, workingPath + "/relatedDatasets", RelatedDataset.class);
+
+			final TypedColumn<Tuple2<OaBrokerMainEntity, RelatedDataset>, OaBrokerMainEntity> aggr = new RelatedDatasetAggregator()
+				.toColumn();
+
+			sources
+				.joinWith(typedRels, sources.col("openaireId").equalTo(typedRels.col("source")), "left_outer")
+				.groupByKey(
+					(MapFunction<Tuple2<OaBrokerMainEntity, RelatedDataset>, String>) t -> t._1.getOpenaireId(),
+					Encoders.STRING())
+				.agg(aggr)
+				.map(t -> t._2, Encoders.bean(OaBrokerMainEntity.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(joinedEntitiesPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/JoinStep4Job.java

@@ -0,0 +1,79 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.TypedColumn;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedPublication;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedPublicationAggregator;
+import scala.Tuple2;
+
+public class JoinStep4Job {
+
+	private static final Logger log = LoggerFactory.getLogger(JoinStep4Job.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					JoinStep4Job.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String joinedEntitiesPath = workingPath + "/joinedEntities_step4";
+		log.info("joinedEntitiesPath: {}", joinedEntitiesPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, joinedEntitiesPath);
+
+			final Dataset<OaBrokerMainEntity> sources = ClusterUtils
+				.readPath(spark, workingPath + "/joinedEntities_step3", OaBrokerMainEntity.class);
+
+			final Dataset<RelatedPublication> typedRels = ClusterUtils
+				.readPath(spark, workingPath + "/relatedPublications", RelatedPublication.class);
+
+			final TypedColumn<Tuple2<OaBrokerMainEntity, RelatedPublication>, OaBrokerMainEntity> aggr = new RelatedPublicationAggregator()
+				.toColumn();
+
+			sources
+				.joinWith(typedRels, sources.col("openaireId").equalTo(typedRels.col("source")), "left_outer")
+				.groupByKey(
+					(MapFunction<Tuple2<OaBrokerMainEntity, RelatedPublication>, String>) t -> t._1.getOpenaireId(),
+					Encoders.STRING())
+				.agg(aggr)
+				.map(t -> t._2, Encoders.bean(OaBrokerMainEntity.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(joinedEntitiesPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareGroupsJob.java

@@ -0,0 +1,88 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.TypedColumn;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.simple.ResultAggregator;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.simple.ResultGroup;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+import scala.Tuple2;
+
+public class PrepareGroupsJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareGroupsJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareGroupsJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String groupsPath = workingPath + "/duplicates";
+		log.info("groupsPath: {}", groupsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, groupsPath);
+
+			final Dataset<OaBrokerMainEntity> results = ClusterUtils
+				.readPath(spark, workingPath + "/joinedEntities_step4", OaBrokerMainEntity.class);
+
+			final Dataset<Relation> mergedRels = ClusterUtils
+				.readPath(spark, graphPath + "/relation", Relation.class)
+				.filter(r -> r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS));
+
+			final TypedColumn<Tuple2<OaBrokerMainEntity, Relation>, ResultGroup> aggr = new ResultAggregator()
+				.toColumn();
+
+			final Dataset<ResultGroup> groups = results
+				.joinWith(mergedRels, results.col("openaireId").equalTo(mergedRels.col("source")), "inner")
+				.groupByKey(
+					(MapFunction<Tuple2<OaBrokerMainEntity, Relation>, String>) t -> t._2.getTarget(),
+					Encoders.STRING())
+				.agg(aggr)
+				.map(
+					(MapFunction<Tuple2<String, ResultGroup>, ResultGroup>) t -> t._2, Encoders.bean(ResultGroup.class))
+				.filter(rg -> rg.getData().size() > 1);
+
+			groups
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(groupsPath);
+
+		});
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareRelatedDatasetsJob.java

@@ -0,0 +1,85 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerRelatedDataset;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedDataset;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+
+public class PrepareRelatedDatasetsJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareRelatedDatasetsJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareRelatedDatasetsJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String relsPath = workingPath + "/relatedDatasets";
+		log.info("relsPath: {}", relsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, relsPath);
+
+			final Dataset<OaBrokerRelatedDataset> datasets = ClusterUtils
+				.readPath(spark, graphPath + "/dataset", eu.dnetlib.dhp.schema.oaf.Dataset.class)
+				.filter(d -> !ClusterUtils.isDedupRoot(d.getId()))
+				.map(ConversionUtils::oafDatasetToBrokerDataset, Encoders.bean(OaBrokerRelatedDataset.class));
+
+			final Dataset<Relation> rels = ClusterUtils
+				.readPath(spark, graphPath + "/relation", Relation.class)
+				.filter(r -> r.getDataInfo().getDeletedbyinference())
+				.filter(r -> r.getRelType().equals(ModelConstants.RESULT_RESULT))
+				.filter(r -> ClusterUtils.isValidResultResultClass(r.getRelClass()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getSource()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getTarget()));
+
+			rels
+				.joinWith(datasets, datasets.col("openaireId").equalTo(rels.col("target")), "inner")
+				.map(t -> {
+					final RelatedDataset rel = new RelatedDataset(t._1.getSource(), t._2);
+					rel.getRelDataset().setRelType(t._1.getRelClass());
+					return rel;
+				}, Encoders.bean(RelatedDataset.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(relsPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareRelatedProjectsJob.java

@@ -0,0 +1,82 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerProject;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedProject;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.oaf.Project;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+
+public class PrepareRelatedProjectsJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareRelatedProjectsJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareRelatedProjectsJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String relsPath = workingPath + "/relatedProjects";
+		log.info("relsPath: {}", relsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, relsPath);
+
+			final Dataset<OaBrokerProject> projects = ClusterUtils
+				.readPath(spark, graphPath + "/project", Project.class)
+				.filter(p -> !ClusterUtils.isDedupRoot(p.getId()))
+				.map(ConversionUtils::oafProjectToBrokerProject, Encoders.bean(OaBrokerProject.class));
+
+			final Dataset<Relation> rels = ClusterUtils
+				.readPath(spark, graphPath + "/relation", Relation.class)
+				.filter(r -> r.getDataInfo().getDeletedbyinference())
+				.filter(r -> r.getRelType().equals(ModelConstants.RESULT_PROJECT))
+				.filter(r -> !r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getSource()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getTarget()));
+
+			rels
+				.joinWith(projects, projects.col("openaireId").equalTo(rels.col("target")), "inner")
+				.map(t -> new RelatedProject(t._1.getSource(), t._2), Encoders.bean(RelatedProject.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(relsPath);
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareRelatedPublicationsJob.java

@@ -0,0 +1,88 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerRelatedPublication;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedPublication;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.oaf.Publication;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+
+public class PrepareRelatedPublicationsJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareRelatedPublicationsJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareRelatedPublicationsJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String relsPath = workingPath + "/relatedPublications";
+		log.info("relsPath: {}", relsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, relsPath);
+
+			final Dataset<OaBrokerRelatedPublication> pubs = ClusterUtils
+				.readPath(spark, graphPath + "/publication", Publication.class)
+				.filter(p -> !ClusterUtils.isDedupRoot(p.getId()))
+				.map(
+					ConversionUtils::oafPublicationToBrokerPublication,
+					Encoders.bean(OaBrokerRelatedPublication.class));
+
+			final Dataset<Relation> rels = ClusterUtils
+				.readPath(spark, graphPath + "/relation", Relation.class)
+				.filter(r -> r.getDataInfo().getDeletedbyinference())
+				.filter(r -> r.getRelType().equals(ModelConstants.RESULT_RESULT))
+				.filter(r -> ClusterUtils.isValidResultResultClass(r.getRelClass()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getSource()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getTarget()));
+
+			rels
+				.joinWith(pubs, pubs.col("openaireId").equalTo(rels.col("target")), "inner")
+				.map(t -> {
+					final RelatedPublication rel = new RelatedPublication(t._1.getSource(), t._2);
+					rel.getRelPublication().setRelType(t._1.getRelClass());
+					return rel;
+				}, Encoders.bean(RelatedPublication.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(relsPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareRelatedSoftwaresJob.java

@@ -0,0 +1,83 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
+import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedSoftware;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+import eu.dnetlib.dhp.schema.oaf.Software;
+
+public class PrepareRelatedSoftwaresJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareRelatedSoftwaresJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareRelatedSoftwaresJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String relsPath = workingPath + "/relatedSoftwares";
+		log.info("relsPath: {}", relsPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, relsPath);
+
+			final Dataset<OaBrokerRelatedSoftware> softwares = ClusterUtils
+				.readPath(spark, graphPath + "/software", Software.class)
+				.filter(sw -> !ClusterUtils.isDedupRoot(sw.getId()))
+				.map(ConversionUtils::oafSoftwareToBrokerSoftware, Encoders.bean(OaBrokerRelatedSoftware.class));
+
+			final Dataset<Relation> rels = ClusterUtils
+				.readPath(spark, graphPath + "/relation", Relation.class)
+				.filter(r -> r.getDataInfo().getDeletedbyinference())
+				.filter(r -> r.getRelType().equals(ModelConstants.RESULT_RESULT))
+				.filter(r -> !r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getSource()))
+				.filter(r -> !ClusterUtils.isDedupRoot(r.getTarget()));
+
+			rels
+				.joinWith(softwares, softwares.col("openaireId").equalTo(rels.col("target")), "inner")
+				.map(t -> new RelatedSoftware(t._1.getSource(), t._2), Encoders.bean(RelatedSoftware.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(relsPath);
+
+		});
+
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/PrepareSimpleEntititiesJob.java

@@ -0,0 +1,82 @@
+
+package eu.dnetlib.dhp.broker.oa;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SaveMode;
+import org.apache.spark.sql.SparkSession;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
+import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
+import eu.dnetlib.dhp.schema.oaf.OtherResearchProduct;
+import eu.dnetlib.dhp.schema.oaf.Publication;
+import eu.dnetlib.dhp.schema.oaf.Result;
+import eu.dnetlib.dhp.schema.oaf.Software;
+
+public class PrepareSimpleEntititiesJob {
+
+	private static final Logger log = LoggerFactory.getLogger(PrepareSimpleEntititiesJob.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					PrepareSimpleEntititiesJob.class
+						.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
+		parser.parseArgument(args);
+
+		final Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String graphPath = parser.get("graphPath");
+		log.info("graphPath: {}", graphPath);
+
+		final String workingPath = parser.get("workingPath");
+		log.info("workingPath: {}", workingPath);
+
+		final String simpleEntitiesPath = workingPath + "/simpleEntities";
+		log.info("simpleEntitiesPath: {}", simpleEntitiesPath);
+
+		final SparkConf conf = new SparkConf();
+
+		runWithSparkSession(conf, isSparkSessionManaged, spark -> {
+
+			ClusterUtils.removeDir(spark, simpleEntitiesPath);
+
+			prepareSimpleEntities(spark, graphPath, Publication.class)
+				.union(prepareSimpleEntities(spark, graphPath, eu.dnetlib.dhp.schema.oaf.Dataset.class))
+				.union(prepareSimpleEntities(spark, graphPath, Software.class))
+				.union(prepareSimpleEntities(spark, graphPath, OtherResearchProduct.class))
+				.write()
+				.mode(SaveMode.Overwrite)
+				.json(simpleEntitiesPath);
+		});
+
+	}
+
+	private static <SRC extends Result> Dataset<OaBrokerMainEntity> prepareSimpleEntities(
+		final SparkSession spark,
+		final String graphPath,
+		final Class<SRC> sourceClass) {
+
+		return ClusterUtils
+			.readPath(spark, graphPath + "/" + sourceClass.getSimpleName().toLowerCase(), sourceClass)
+			.filter(r -> !ClusterUtils.isDedupRoot(r.getId()))
+			.filter(r -> r.getDataInfo().getDeletedbyinference())
+			.map(ConversionUtils::oafResultToBrokerResult, Encoders.bean(OaBrokerMainEntity.class));
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/UpdateMatcher.java

@@ -1,74 +1,80 @@
 
 package eu.dnetlib.dhp.broker.oa.matchers;
 
-import java.util.Arrays;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
+import java.util.stream.Collectors;
 
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang3.StringUtils;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.util.UpdateInfo;
 import eu.dnetlib.pace.config.DedupConfig;
 
 public abstract class UpdateMatcher<T> {
 
-	private final boolean multipleUpdate;
+	private final int maxNumber;
 	private final Function<T, Topic> topicFunction;
-	private final BiConsumer<OpenaireBrokerResult, T> compileHighlightFunction;
+	private final BiConsumer<OaBrokerMainEntity, T> compileHighlightFunction;
 	private final Function<T, String> highlightToStringFunction;
 
-	public UpdateMatcher(final boolean multipleUpdate, final Function<T, Topic> topicFunction,
-		final BiConsumer<OpenaireBrokerResult, T> compileHighlightFunction,
+	public UpdateMatcher(final int maxNumber, final Function<T, Topic> topicFunction,
+		final BiConsumer<OaBrokerMainEntity, T> compileHighlightFunction,
 		final Function<T, String> highlightToStringFunction) {
-		this.multipleUpdate = multipleUpdate;
+		this.maxNumber = maxNumber;
 		this.topicFunction = topicFunction;
 		this.compileHighlightFunction = compileHighlightFunction;
 		this.highlightToStringFunction = highlightToStringFunction;
 	}
 
-	public Collection<UpdateInfo<T>> searchUpdatesForRecord(final OpenaireBrokerResult res,
-		final Collection<OpenaireBrokerResult> others,
+	public Collection<UpdateInfo<T>> searchUpdatesForRecord(final OaBrokerMainEntity res,
+		final Collection<OaBrokerMainEntity> others,
 		final DedupConfig dedupConfig) {
 
 		final Map<String, UpdateInfo<T>> infoMap = new HashMap<>();
 
-		for (final OpenaireBrokerResult source : others) {
+		for (final OaBrokerMainEntity source : others) {
 			if (source != res) {
 				for (final T hl : findDifferences(source, res)) {
 					final Topic topic = getTopicFunction().apply(hl);
-					final UpdateInfo<T> info = new UpdateInfo<>(topic, hl, source, res, getCompileHighlightFunction(),
-						getHighlightToStringFunction(), dedupConfig);
-					final String s = DigestUtils.md5Hex(info.getHighlightValueAsString());
-					if (!infoMap.containsKey(s) || infoMap.get(s).getTrust() < info.getTrust()) {
-					} else {
-						infoMap.put(s, info);
+					if (topic != null) {
+						final UpdateInfo<T> info = new UpdateInfo<>(topic, hl, source, res,
+							getCompileHighlightFunction(),
+							getHighlightToStringFunction(), dedupConfig);
+
+						final String s = DigestUtils.md5Hex(info.getHighlightValueAsString());
+						if (!infoMap.containsKey(s) || infoMap.get(s).getTrust() < info.getTrust()) {
+							infoMap.put(s, info);
+						}
 					}
 				}
 			}
 		}
 
-		final Collection<UpdateInfo<T>> values = infoMap.values();
+		final List<UpdateInfo<T>> values = infoMap
+			.values()
+			.stream()
+			.sorted((o1, o2) -> Float.compare(o2.getTrust(), o1.getTrust())) // DESCENDING
+			.collect(Collectors.toList());
 
-		if (values.isEmpty() || multipleUpdate) {
-			return values;
+		if (values.isEmpty()) {
+			return new ArrayList<>();
+		} else if (values.size() > maxNumber) {
+			System.err.println("Too many events (" + values.size() + ") matched by " + getClass().getSimpleName());
+			return values.subList(0, maxNumber);
 		} else {
-			final UpdateInfo<T> v = values
-				.stream()
-				.sorted((o1, o2) -> Float.compare(o1.getTrust(), o2.getTrust()))
-				.findFirst()
-				.get();
-			return Arrays.asList(v);
+			return values;
 		}
 	}
 
-	protected abstract List<T> findDifferences(OpenaireBrokerResult source, OpenaireBrokerResult target);
+	protected abstract List<T> findDifferences(OaBrokerMainEntity source, OaBrokerMainEntity target);
 
 	protected static boolean isMissing(final List<String> list) {
 		return list == null || list.isEmpty() || StringUtils.isBlank(list.get(0));
@@ -78,15 +84,15 @@ public abstract class UpdateMatcher<T> {
 		return StringUtils.isBlank(field);
 	}
 
-	public boolean isMultipleUpdate() {
-		return multipleUpdate;
+	public int getMaxNumber() {
+		return maxNumber;
 	}
 
 	public Function<T, Topic> getTopicFunction() {
 		return topicFunction;
 	}
 
-	public BiConsumer<OpenaireBrokerResult, T> getCompileHighlightFunction() {
+	public BiConsumer<OaBrokerMainEntity, T> getCompileHighlightFunction() {
 		return compileHighlightFunction;
 	}
 

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedDatasets/AbstractEnrichMissingDataset.java

@@ -5,39 +5,38 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.Dataset;
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerRelatedDataset;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public abstract class AbstractEnrichMissingDataset
-	extends UpdateMatcher<Dataset> {
+public abstract class AbstractEnrichMissingDataset extends UpdateMatcher<OaBrokerRelatedDataset> {
 
 	public AbstractEnrichMissingDataset(final Topic topic) {
-		super(true,
+		super(10,
 			rel -> topic,
 			(p, rel) -> p.getDatasets().add(rel),
-			rel -> rel.getOriginalId());
+			rel -> rel.getOpenaireId());
 	}
 
 	protected abstract boolean filterByType(String relType);
 
 	@Override
-	protected final List<Dataset> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected final List<OaBrokerRelatedDataset> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		final Set<String> existingDatasets = target
 			.getDatasets()
 			.stream()
 			.filter(rel -> filterByType(rel.getRelType()))
-			.map(Dataset::getOriginalId)
+			.map(OaBrokerRelatedDataset::getOpenaireId)
 			.collect(Collectors.toSet());
 
 		return source
 			.getDatasets()
 			.stream()
 			.filter(rel -> filterByType(rel.getRelType()))
-			.filter(d -> !existingDatasets.contains(d.getOriginalId()))
+			.filter(d -> !existingDatasets.contains(d.getOpenaireId()))
 			.collect(Collectors.toList());
 
 	}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedProjects/EnrichMissingProject.java

@@ -4,22 +4,22 @@ package eu.dnetlib.dhp.broker.oa.matchers.relatedProjects;
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.Project;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerProject;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMissingProject extends UpdateMatcher<Project> {
+public class EnrichMissingProject extends UpdateMatcher<OaBrokerProject> {
 
 	public EnrichMissingProject() {
-		super(true,
+		super(20,
 			prj -> Topic.ENRICH_MISSING_PROJECT,
 			(p, prj) -> p.getProjects().add(prj),
 			prj -> prj.getFunder() + "::" + prj.getFundingProgram() + prj.getCode());
 	}
 
 	@Override
-	protected List<Project> findDifferences(final OpenaireBrokerResult source, final OpenaireBrokerResult target) {
+	protected List<OaBrokerProject> findDifferences(final OaBrokerMainEntity source, final OaBrokerMainEntity target) {
 		if (target.getProjects().isEmpty()) {
 			return source.getProjects();
 		} else {

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedProjects/EnrichMoreProject.java

@@ -5,27 +5,27 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.Project;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerProject;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMoreProject extends UpdateMatcher<Project> {
+public class EnrichMoreProject extends UpdateMatcher<OaBrokerProject> {
 
 	public EnrichMoreProject() {
-		super(true,
+		super(20,
 			prj -> Topic.ENRICH_MORE_PROJECT,
 			(p, prj) -> p.getProjects().add(prj),
 			prj -> projectAsString(prj));
 	}
 
-	private static String projectAsString(final Project prj) {
+	private static String projectAsString(final OaBrokerProject prj) {
 		return prj.getFunder() + "::" + prj.getFundingProgram() + "::" + prj.getCode();
 	}
 
 	@Override
-	protected List<eu.dnetlib.broker.objects.Project> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerProject> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		final Set<String> existingProjects = target
 			.getProjects()

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedPublications/AbstractEnrichMissingPublication.java

@@ -5,40 +5,40 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.Publication;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerRelatedPublication;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public abstract class AbstractEnrichMissingPublication extends UpdateMatcher<Publication> {
+public abstract class AbstractEnrichMissingPublication extends UpdateMatcher<OaBrokerRelatedPublication> {
 
 	public AbstractEnrichMissingPublication(final Topic topic) {
-		super(true,
+		super(10,
 			rel -> topic,
 			(p, rel) -> p.getPublications().add(rel),
-			rel -> rel.getOriginalId());
+			rel -> rel.getOpenaireId());
 
 	}
 
 	protected abstract boolean filterByType(String relType);
 
 	@Override
-	protected final List<eu.dnetlib.broker.objects.Publication> findDifferences(
-		final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected final List<OaBrokerRelatedPublication> findDifferences(
+		final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		final Set<String> existingPublications = target
 			.getPublications()
 			.stream()
 			.filter(rel -> filterByType(rel.getRelType()))
-			.map(Publication::getOriginalId)
+			.map(OaBrokerRelatedPublication::getOpenaireId)
 			.collect(Collectors.toSet());
 
 		return source
 			.getPublications()
 			.stream()
 			.filter(rel -> filterByType(rel.getRelType()))
-			.filter(p -> !existingPublications.contains(p.getOriginalId()))
+			.filter(p -> !existingPublications.contains(p.getOpenaireId()))
 			.collect(Collectors.toList());
 	}
 

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedSoftware/EnrichMissingSoftware.java

@@ -4,24 +4,25 @@ package eu.dnetlib.dhp.broker.oa.matchers.relatedSoftware;
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
 public class EnrichMissingSoftware
-	extends UpdateMatcher<eu.dnetlib.broker.objects.Software> {
+	extends UpdateMatcher<OaBrokerRelatedSoftware> {
 
 	public EnrichMissingSoftware() {
-		super(true,
+		super(10,
 			s -> Topic.ENRICH_MISSING_SOFTWARE,
 			(p, s) -> p.getSoftwares().add(s),
-			s -> s.getName());
+			s -> s.getOpenaireId());
 	}
 
 	@Override
-	protected List<eu.dnetlib.broker.objects.Software> findDifferences(
-		final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerRelatedSoftware> findDifferences(
+		final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		if (target.getSoftwares().isEmpty()) {
 			return source.getSoftwares();

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/relatedSoftware/EnrichMoreSoftware.java

@@ -5,29 +5,29 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.Software;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMoreSoftware extends UpdateMatcher<Software> {
+public class EnrichMoreSoftware extends UpdateMatcher<OaBrokerRelatedSoftware> {
 
 	public EnrichMoreSoftware() {
-		super(true,
+		super(10,
 			s -> Topic.ENRICH_MORE_SOFTWARE,
 			(p, s) -> p.getSoftwares().add(s),
-			s -> s.getName());
+			s -> s.getOpenaireId());
 	}
 
 	@Override
-	protected List<eu.dnetlib.broker.objects.Software> findDifferences(
-		final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerRelatedSoftware> findDifferences(
+		final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		final Set<String> existingSoftwares = source
 			.getSoftwares()
 			.stream()
-			.map(Software::getName)
+			.map(OaBrokerRelatedSoftware::getName)
 			.collect(Collectors.toSet());
 
 		return target

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingAbstract.java

@@ -5,21 +5,21 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
 public class EnrichMissingAbstract extends UpdateMatcher<String> {
 
 	public EnrichMissingAbstract() {
-		super(false,
+		super(1,
 			s -> Topic.ENRICH_MISSING_ABSTRACT,
 			(p, s) -> p.getAbstracts().add(s),
 			s -> s);
 	}
 
 	@Override
-	protected List<String> findDifferences(final OpenaireBrokerResult source, final OpenaireBrokerResult target) {
+	protected List<String> findDifferences(final OaBrokerMainEntity source, final OaBrokerMainEntity target) {
 		if (isMissing(target.getAbstracts()) && !isMissing(source.getAbstracts())) {
 			return Arrays.asList(source.getAbstracts().get(0));
 		} else {

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingAuthorOrcid.java

@@ -7,28 +7,28 @@ import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
 
-import eu.dnetlib.broker.objects.Author;
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerAuthor;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMissingAuthorOrcid extends UpdateMatcher<Author> {
+public class EnrichMissingAuthorOrcid extends UpdateMatcher<OaBrokerAuthor> {
 
 	public EnrichMissingAuthorOrcid() {
-		super(true,
+		super(40,
 			aut -> Topic.ENRICH_MISSING_AUTHOR_ORCID,
 			(p, aut) -> p.getCreators().add(aut),
 			aut -> aut.getOrcid());
 	}
 
 	@Override
-	protected List<Author> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerAuthor> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		final Set<String> existingOrcids = target
 			.getCreators()
 			.stream()
-			.map(Author::getOrcid)
+			.map(OaBrokerAuthor::getOrcid)
 			.filter(StringUtils::isNotBlank)
 			.collect(Collectors.toSet());
 

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingOpenAccess.java

@@ -5,28 +5,28 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.Instance;
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerInstance;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
 
-public class EnrichMissingOpenAccess extends UpdateMatcher<Instance> {
+public class EnrichMissingOpenAccess extends UpdateMatcher<OaBrokerInstance> {
 
 	public EnrichMissingOpenAccess() {
-		super(true,
+		super(20,
 			i -> Topic.ENRICH_MISSING_OA_VERSION,
 			(p, i) -> p.getInstances().add(i),
-			Instance::getUrl);
+			OaBrokerInstance::getUrl);
 	}
 
 	@Override
-	protected List<Instance> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerInstance> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 		final long count = target
 			.getInstances()
 			.stream()
-			.map(Instance::getLicense)
+			.map(OaBrokerInstance::getLicense)
 			.filter(right -> right.equals(BrokerConstants.OPEN_ACCESS))
 			.count();
 

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPid.java

@@ -5,23 +5,23 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.TypedValue;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMissingPid extends UpdateMatcher<TypedValue> {
+public class EnrichMissingPid extends UpdateMatcher<OaBrokerTypedValue> {
 
 	public EnrichMissingPid() {
-		super(true,
+		super(10,
 			pid -> Topic.ENRICH_MISSING_PID,
 			(p, pid) -> p.getPids().add(pid),
 			pid -> pid.getType() + "::" + pid.getValue());
 	}
 
 	@Override
-	protected List<TypedValue> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerTypedValue> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 		final long count = target.getPids().size();
 
 		if (count > 0) {

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingPublicationDate.java

@@ -5,22 +5,22 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
 public class EnrichMissingPublicationDate extends UpdateMatcher<String> {
 
 	public EnrichMissingPublicationDate() {
-		super(false,
+		super(1,
 			date -> Topic.ENRICH_MISSING_PUBLICATION_DATE,
 			(p, date) -> p.setPublicationdate(date),
 			s -> s);
 	}
 
 	@Override
-	protected List<String> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<String> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 
 		if (isMissing(target.getPublicationdate()) && !isMissing(source.getPublicationdate())) {
 			return Arrays.asList(source.getPublicationdate());

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingSubject.java

@@ -5,23 +5,23 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.TypedValue;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMissingSubject extends UpdateMatcher<TypedValue> {
+public class EnrichMissingSubject extends UpdateMatcher<OaBrokerTypedValue> {
 
 	public EnrichMissingSubject() {
-		super(true,
+		super(20,
 			s -> Topic.fromPath("ENRICH/MISSING/SUBJECT/" + s.getType()),
 			(p, s) -> p.getSubjects().add(s),
 			s -> subjectAsString(s));
 	}
 
 	@Override
-	protected List<TypedValue> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerTypedValue> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 		final Set<String> existingSubject = target
 			.getSubjects()
 			.stream()
@@ -35,7 +35,7 @@ public class EnrichMissingSubject extends UpdateMatcher<TypedValue> {
 			.collect(Collectors.toList());
 	}
 
-	private static String subjectAsString(final TypedValue s) {
+	private static String subjectAsString(final OaBrokerTypedValue s) {
 		return s.getType() + "::" + s.getValue();
 	}
 

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMoreOpenAccess.java

@@ -5,24 +5,24 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.Instance;
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerInstance;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
 
-public class EnrichMoreOpenAccess extends UpdateMatcher<Instance> {
+public class EnrichMoreOpenAccess extends UpdateMatcher<OaBrokerInstance> {
 
 	public EnrichMoreOpenAccess() {
-		super(true,
+		super(20,
 			i -> Topic.ENRICH_MORE_OA_VERSION,
 			(p, i) -> p.getInstances().add(i),
-			Instance::getUrl);
+			OaBrokerInstance::getUrl);
 	}
 
 	@Override
-	protected List<Instance> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerInstance> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 		final Set<String> urls = target
 			.getInstances()
 			.stream()

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMorePid.java

@@ -5,23 +5,23 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.TypedValue;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMorePid extends UpdateMatcher<TypedValue> {
+public class EnrichMorePid extends UpdateMatcher<OaBrokerTypedValue> {
 
 	public EnrichMorePid() {
-		super(true,
+		super(20,
 			pid -> Topic.ENRICH_MORE_PID,
 			(p, pid) -> p.getPids().add(pid),
 			pid -> pidAsString(pid));
 	}
 
 	@Override
-	protected List<TypedValue> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerTypedValue> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
 		final Set<String> existingPids = target
 			.getPids()
 			.stream()
@@ -35,7 +35,7 @@ public class EnrichMorePid extends UpdateMatcher<TypedValue> {
 			.collect(Collectors.toList());
 	}
 
-	private static String pidAsString(final TypedValue pid) {
+	private static String pidAsString(final OaBrokerTypedValue pid) {
 		return pid.getType() + "::" + pid.getValue();
 	}
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMoreSubject.java

@@ -5,23 +5,24 @@ import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.TypedValue;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
-public class EnrichMoreSubject extends UpdateMatcher<TypedValue> {
+public class EnrichMoreSubject extends UpdateMatcher<OaBrokerTypedValue> {
 
 	public EnrichMoreSubject() {
-		super(true,
+		super(20,
 			s -> Topic.fromPath("ENRICH/MORE/SUBJECT/" + s.getType()),
 			(p, s) -> p.getSubjects().add(s),
 			s -> subjectAsString(s));
 	}
 
 	@Override
-	protected List<TypedValue> findDifferences(final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target) {
+	protected List<OaBrokerTypedValue> findDifferences(final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target) {
+
 		final Set<String> existingSubjects = target
 			.getSubjects()
 			.stream()
@@ -35,7 +36,7 @@ public class EnrichMoreSubject extends UpdateMatcher<TypedValue> {
 			.collect(Collectors.toList());
 	}
 
-	private static String subjectAsString(final TypedValue s) {
+	private static String subjectAsString(final OaBrokerTypedValue s) {
 		return s.getType() + "::" + s.getValue();
 	}
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/BrokerConstants.java

@@ -17,6 +17,8 @@ public class BrokerConstants {
 	public static final float MIN_TRUST = 0.25f;
 	public static final float MAX_TRUST = 1.00f;
 
+	public static final int MAX_NUMBER_OF_RELS = 20;
+
 	public static Class<?>[] getModelClasses() {
 		final Set<Class<?>> list = new HashSet<>();
 		list.addAll(Arrays.asList(ModelSupport.getOafModelClasses()));

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ClusterUtils.java

@@ -0,0 +1,47 @@
+
+package eu.dnetlib.dhp.broker.oa.util;
+
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.SparkSession;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.common.HdfsSupport;
+
+public class ClusterUtils {
+
+	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+	public static void createDirIfMissing(final SparkSession spark, final String path) {
+		HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
+	}
+
+	public static void removeDir(final SparkSession spark, final String path) {
+		HdfsSupport.remove(path, spark.sparkContext().hadoopConfiguration());
+	}
+
+	public static <R> Dataset<R> readPath(
+		final SparkSession spark,
+		final String inputPath,
+		final Class<R> clazz) {
+		return spark
+			.read()
+			.textFile(inputPath)
+			.map((MapFunction<String, R>) value -> OBJECT_MAPPER.readValue(value, clazz), Encoders.bean(clazz));
+	}
+
+	public static boolean isDedupRoot(final String id) {
+		return id.contains("dedup_wf_");
+	}
+
+	public static final boolean isValidResultResultClass(final String s) {
+		return s.equals("isReferencedBy")
+			|| s.equals("isRelatedTo")
+			|| s.equals("references")
+			|| s.equals("isSupplementedBy")
+			|| s.equals("isSupplementedTo");
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ConversionUtils.java

@@ -3,18 +3,28 @@ package eu.dnetlib.dhp.broker.oa.util;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.lang3.tuple.Pair;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.DocumentHelper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.TypedValue;
+import com.google.common.base.Function;
+
+import eu.dnetlib.broker.objects.OaBrokerAuthor;
+import eu.dnetlib.broker.objects.OaBrokerExternalReference;
+import eu.dnetlib.broker.objects.OaBrokerInstance;
+import eu.dnetlib.broker.objects.OaBrokerJournal;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerProject;
+import eu.dnetlib.broker.objects.OaBrokerRelatedDataset;
+import eu.dnetlib.broker.objects.OaBrokerRelatedPublication;
+import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
+import eu.dnetlib.broker.objects.OaBrokerTypedValue;
 import eu.dnetlib.dhp.schema.oaf.Author;
 import eu.dnetlib.dhp.schema.oaf.Dataset;
 import eu.dnetlib.dhp.schema.oaf.ExternalReference;
@@ -24,6 +34,7 @@ import eu.dnetlib.dhp.schema.oaf.Journal;
 import eu.dnetlib.dhp.schema.oaf.KeyValue;
 import eu.dnetlib.dhp.schema.oaf.Project;
 import eu.dnetlib.dhp.schema.oaf.Publication;
+import eu.dnetlib.dhp.schema.oaf.Qualifier;
 import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.dhp.schema.oaf.Software;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
@@ -32,145 +43,148 @@ public class ConversionUtils {
 
 	private static final Logger log = LoggerFactory.getLogger(ConversionUtils.class);
 
-	public static List<eu.dnetlib.broker.objects.Instance> oafInstanceToBrokerInstances(final Instance i) {
-		return i.getUrl().stream().map(url -> {
-			return new eu.dnetlib.broker.objects.Instance()
-				.setUrl(url)
-				.setInstancetype(i.getInstancetype().getClassid())
-				.setLicense(BrokerConstants.OPEN_ACCESS)
-				.setHostedby(i.getHostedby().getValue());
-		}).collect(Collectors.toList());
+	public static List<OaBrokerInstance> oafInstanceToBrokerInstances(final Instance i) {
+		if (i == null) {
+			return new ArrayList<>();
+		}
+
+		return mappedList(i.getUrl(), url -> {
+			final OaBrokerInstance res = new OaBrokerInstance();
+			res.setUrl(url);
+			res.setInstancetype(classId(i.getInstancetype()));
+			res.setLicense(BrokerConstants.OPEN_ACCESS);
+			res.setHostedby(kvValue(i.getHostedby()));
+			return res;
+		});
 	}
 
-	public static TypedValue oafPidToBrokerPid(final StructuredProperty sp) {
-		return sp != null ? new TypedValue()
-			.setValue(sp.getValue())
-			.setType(sp.getQualifier().getClassid()) : null;
+	public static OaBrokerTypedValue oafPidToBrokerPid(final StructuredProperty sp) {
+		return oafStructPropToBrokerTypedValue(sp);
 	}
 
-	public static final Pair<String, String> oafSubjectToPair(final StructuredProperty sp) {
-		return sp != null ? Pair.of(sp.getQualifier().getClassid(), sp.getValue()) : null;
+	public static OaBrokerTypedValue oafStructPropToBrokerTypedValue(final StructuredProperty sp) {
+		return sp != null ? new OaBrokerTypedValue(classId(sp.getQualifier()), sp.getValue()) : null;
 	}
 
-	public static final eu.dnetlib.broker.objects.Dataset oafDatasetToBrokerDataset(final Dataset d) {
-		return d != null ? new eu.dnetlib.broker.objects.Dataset()
-			.setOriginalId(d.getOriginalId().get(0))
-			.setTitle(structPropValue(d.getTitle()))
-			.setPids(d.getPid().stream().map(ConversionUtils::oafPidToBrokerPid).collect(Collectors.toList()))
-			.setInstances(
-				d
-					.getInstance()
-					.stream()
-					.map(ConversionUtils::oafInstanceToBrokerInstances)
-					.flatMap(List::stream)
-					.collect(Collectors.toList()))
-			.setCollectedFrom(d.getCollectedfrom().stream().map(KeyValue::getValue).findFirst().orElse(null))
-			: null;
+	public static final OaBrokerRelatedDataset oafDatasetToBrokerDataset(final Dataset d) {
+		if (d == null) {
+			return null;
+		}
+
+		final OaBrokerRelatedDataset res = new OaBrokerRelatedDataset();
+		res.setOpenaireId(d.getId());
+		res.setOriginalId(first(d.getOriginalId()));
+		res.setTitle(structPropValue(d.getTitle()));
+		res.setPids(mappedList(d.getPid(), ConversionUtils::oafPidToBrokerPid));
+		res.setInstances(flatMappedList(d.getInstance(), ConversionUtils::oafInstanceToBrokerInstances));
+		res.setCollectedFrom(mappedFirst(d.getCollectedfrom(), KeyValue::getValue));
+		return res;
 	}
 
-	public static eu.dnetlib.broker.objects.Publication oafPublicationToBrokerPublication(final Publication p) {
-		return p != null ? new eu.dnetlib.broker.objects.Publication()
-			.setOriginalId(p.getOriginalId().get(0))
-			.setTitle(structPropValue(p.getTitle()))
-			.setPids(p.getPid().stream().map(ConversionUtils::oafPidToBrokerPid).collect(Collectors.toList()))
-			.setInstances(
-				p
-					.getInstance()
-					.stream()
-					.map(ConversionUtils::oafInstanceToBrokerInstances)
-					.flatMap(List::stream)
-					.collect(Collectors.toList()))
-			.setCollectedFrom(p.getCollectedfrom().stream().map(KeyValue::getValue).findFirst().orElse(null))
-			: null;
-	}
-
-	public static final OpenaireBrokerResult oafResultToBrokerResult(final Result result) {
-
-		return result != null ? new OpenaireBrokerResult()
-			.setOpenaireId(result.getId())
-			.setOriginalId(result.getOriginalId().get(0))
-			.setTypology(result.getResulttype().getClassid())
-			.setTitles(structPropList(result.getTitle()))
-			.setAbstracts(fieldList(result.getDescription()))
-			.setLanguage(result.getLanguage().getClassid())
-			.setSubjects(structPropTypedList(result.getSubject()))
-			.setCreators(
-				result.getAuthor().stream().map(ConversionUtils::oafAuthorToBrokerAuthor).collect(Collectors.toList()))
-			.setPublicationdate(result.getDateofacceptance().getValue())
-			.setPublisher(fieldValue(result.getPublisher()))
-			.setEmbargoenddate(fieldValue(result.getEmbargoenddate()))
-			.setContributor(fieldList(result.getContributor()))
-			.setJournal(
-				result instanceof Publication ? oafJournalToBrokerJournal(((Publication) result).getJournal()) : null)
-			.setCollectedFromId(result.getCollectedfrom().stream().map(KeyValue::getKey).findFirst().orElse(null))
-			.setCollectedFromName(result.getCollectedfrom().stream().map(KeyValue::getValue).findFirst().orElse(null))
-			.setPids(result.getPid().stream().map(ConversionUtils::oafPidToBrokerPid).collect(Collectors.toList()))
-			.setInstances(
-				result
-					.getInstance()
-					.stream()
-					.map(ConversionUtils::oafInstanceToBrokerInstances)
-					.flatMap(List::stream)
-					.collect(Collectors.toList()))
-			.setExternalReferences(
-				result
-					.getExternalReference()
-					.stream()
-					.map(ConversionUtils::oafExtRefToBrokerExtRef)
-					.collect(Collectors.toList()))
-			: null;
-	}
-
-	private static List<TypedValue> structPropTypedList(final List<StructuredProperty> list) {
-		return list
-			.stream()
-			.map(
-				p -> new TypedValue()
-					.setValue(p.getValue())
-					.setType(p.getQualifier().getClassid()))
-			.collect(Collectors.toList());
-	}
-
-	private static eu.dnetlib.broker.objects.Author oafAuthorToBrokerAuthor(final Author author) {
-		return author != null ? new eu.dnetlib.broker.objects.Author()
-			.setFullname(author.getFullname())
-			.setOrcid(
-				author
-					.getPid()
-					.stream()
-					.filter(pid -> pid.getQualifier().getClassid().equalsIgnoreCase("orcid"))
-					.map(pid -> pid.getValue())
-					.findFirst()
-					.orElse(null))
-			: null;
-	}
-
-	private static eu.dnetlib.broker.objects.Journal oafJournalToBrokerJournal(final Journal journal) {
-		return journal != null ? new eu.dnetlib.broker.objects.Journal()
-			.setName(journal.getName())
-			.setIssn(journal.getIssnPrinted())
-			.setEissn(journal.getIssnOnline())
-			.setLissn(journal.getIssnLinking()) : null;
-	}
-
-	private static eu.dnetlib.broker.objects.ExternalReference oafExtRefToBrokerExtRef(final ExternalReference ref) {
-		return ref != null ? new eu.dnetlib.broker.objects.ExternalReference()
-			.setRefidentifier(ref.getRefidentifier())
-			.setSitename(ref.getSitename())
-			.setType(ref.getQualifier().getClassid())
-			.setUrl(ref.getUrl())
-			: null;
-	}
-
-	public static final eu.dnetlib.broker.objects.Project oafProjectToBrokerProject(final Project p) {
+	public static OaBrokerRelatedPublication oafPublicationToBrokerPublication(final Publication p) {
 		if (p == null) {
 			return null;
 		}
 
-		final eu.dnetlib.broker.objects.Project res = new eu.dnetlib.broker.objects.Project()
-			.setTitle(fieldValue(p.getTitle()))
-			.setAcronym(fieldValue(p.getAcronym()))
-			.setCode(fieldValue(p.getCode()));
+		final OaBrokerRelatedPublication res = new OaBrokerRelatedPublication();
+		res.setOpenaireId(p.getId());
+		res.setOriginalId(first(p.getOriginalId()));
+		res.setTitle(structPropValue(p.getTitle()));
+		res.setPids(mappedList(p.getPid(), ConversionUtils::oafPidToBrokerPid));
+		res.setInstances(flatMappedList(p.getInstance(), ConversionUtils::oafInstanceToBrokerInstances));
+		res.setCollectedFrom(mappedFirst(p.getCollectedfrom(), KeyValue::getValue));
+
+		return res;
+	}
+
+	public static final OaBrokerMainEntity oafResultToBrokerResult(final Result result) {
+		if (result == null) {
+			return null;
+		}
+
+		final OaBrokerMainEntity res = new OaBrokerMainEntity();
+
+		res.setOpenaireId(result.getId());
+		res.setOriginalId(first(result.getOriginalId()));
+		res.setTypology(classId(result.getResulttype()));
+		res.setTitles(structPropList(result.getTitle()));
+		res.setAbstracts(fieldList(result.getDescription()));
+		res.setLanguage(classId(result.getLanguage()));
+		res.setSubjects(structPropTypedList(result.getSubject()));
+		res.setCreators(mappedList(result.getAuthor(), ConversionUtils::oafAuthorToBrokerAuthor));
+		res.setPublicationdate(fieldValue(result.getDateofacceptance()));
+		res.setPublisher(fieldValue(result.getPublisher()));
+		res.setEmbargoenddate(fieldValue(result.getEmbargoenddate()));
+		res.setContributor(fieldList(result.getContributor()));
+		res
+			.setJournal(
+				result instanceof Publication ? oafJournalToBrokerJournal(((Publication) result).getJournal()) : null);
+		res.setCollectedFromId(mappedFirst(result.getCollectedfrom(), KeyValue::getKey));
+		res.setCollectedFromName(mappedFirst(result.getCollectedfrom(), KeyValue::getValue));
+		res.setPids(mappedList(result.getPid(), ConversionUtils::oafPidToBrokerPid));
+		res.setInstances(flatMappedList(result.getInstance(), ConversionUtils::oafInstanceToBrokerInstances));
+		res.setExternalReferences(mappedList(result.getExternalReference(), ConversionUtils::oafExtRefToBrokerExtRef));
+
+		return res;
+	}
+
+	private static OaBrokerAuthor oafAuthorToBrokerAuthor(final Author author) {
+		if (author == null) {
+			return null;
+		}
+
+		final String pids = author.getPid() != null ? author
+			.getPid()
+			.stream()
+			.filter(pid -> pid != null)
+			.filter(pid -> pid.getQualifier() != null)
+			.filter(pid -> pid.getQualifier().getClassid() != null)
+			.filter(pid -> pid.getQualifier().getClassid().equalsIgnoreCase("orcid"))
+			.map(pid -> pid.getValue())
+			.filter(StringUtils::isNotBlank)
+			.findFirst()
+			.orElse(null) : null;
+
+		return new OaBrokerAuthor(author.getFullname(), pids);
+	}
+
+	private static OaBrokerJournal oafJournalToBrokerJournal(final Journal journal) {
+		if (journal == null) {
+			return null;
+		}
+
+		final OaBrokerJournal res = new OaBrokerJournal();
+		res.setName(journal.getName());
+		res.setIssn(journal.getIssnPrinted());
+		res.setEissn(journal.getIssnOnline());
+		res.setLissn(journal.getIssnLinking());
+
+		return res;
+	}
+
+	private static OaBrokerExternalReference oafExtRefToBrokerExtRef(final ExternalReference ref) {
+		if (ref == null) {
+			return null;
+		}
+
+		final OaBrokerExternalReference res = new OaBrokerExternalReference();
+		res.setRefidentifier(ref.getRefidentifier());
+		res.setSitename(ref.getSitename());
+		res.setType(classId(ref.getQualifier()));
+		res.setUrl(ref.getUrl());
+		return res;
+	}
+
+	public static final OaBrokerProject oafProjectToBrokerProject(final Project p) {
+		if (p == null) {
+			return null;
+		}
+
+		final OaBrokerProject res = new OaBrokerProject();
+		res.setOpenaireId(p.getId());
+		res.setTitle(fieldValue(p.getTitle()));
+		res.setAcronym(fieldValue(p.getAcronym()));
+		res.setCode(fieldValue(p.getCode()));
 
 		final String ftree = fieldValue(p.getFundingtree());
 		if (StringUtils.isNotBlank(ftree)) {
@@ -187,13 +201,27 @@ public class ConversionUtils {
 		return res;
 	}
 
-	public static final eu.dnetlib.broker.objects.Software oafSoftwareToBrokerSoftware(final Software sw) {
-		return sw != null ? new eu.dnetlib.broker.objects.Software()
-			.setName(structPropValue(sw.getTitle()))
-			.setDescription(fieldValue(sw.getDescription()))
-			.setRepository(fieldValue(sw.getCodeRepositoryUrl()))
-			.setLandingPage(fieldValue(sw.getDocumentationUrl()))
-			: null;
+	public static final OaBrokerRelatedSoftware oafSoftwareToBrokerSoftware(final Software sw) {
+		if (sw == null) {
+			return null;
+		}
+
+		final OaBrokerRelatedSoftware res = new OaBrokerRelatedSoftware();
+		res.setOpenaireId(sw.getId());
+		res.setName(structPropValue(sw.getTitle()));
+		res.setDescription(fieldValue(sw.getDescription()));
+		res.setRepository(fieldValue(sw.getCodeRepositoryUrl()));
+		res.setLandingPage(fieldValue(sw.getDocumentationUrl()));
+
+		return res;
+	}
+
+	private static String first(final List<String> list) {
+		return list != null && list.size() > 0 ? list.get(0) : null;
+	}
+
+	private static String kvValue(final KeyValue kv) {
+		return kv != null ? kv.getValue() : null;
 	}
 
 	private static String fieldValue(final Field<String> f) {
@@ -205,6 +233,10 @@ public class ConversionUtils {
 			: null;
 	}
 
+	private static String classId(final Qualifier q) {
+		return q != null ? q.getClassid() : null;
+	}
+
 	private static String structPropValue(final List<StructuredProperty> props) {
 		return props != null
 			? props.stream().map(StructuredProperty::getValue).filter(StringUtils::isNotBlank).findFirst().orElse(null)
@@ -226,4 +258,55 @@ public class ConversionUtils {
 				.collect(Collectors.toList())
 			: new ArrayList<>();
 	}
+
+	private static List<OaBrokerTypedValue> structPropTypedList(final List<StructuredProperty> list) {
+		if (list == null) {
+			return new ArrayList<>();
+		}
+
+		return list
+			.stream()
+			.map(ConversionUtils::oafStructPropToBrokerTypedValue)
+			.filter(Objects::nonNull)
+			.collect(Collectors.toList());
+	}
+
+	private static <F, T> List<T> mappedList(final List<F> list, final Function<F, T> func) {
+		if (list == null) {
+			return new ArrayList<>();
+		}
+
+		return list
+			.stream()
+			.map(func::apply)
+			.filter(Objects::nonNull)
+			.collect(Collectors.toList());
+	}
+
+	private static <F, T> List<T> flatMappedList(final List<F> list, final Function<F, List<T>> func) {
+		if (list == null) {
+			return new ArrayList<>();
+		}
+
+		return list
+			.stream()
+			.map(func::apply)
+			.flatMap(List::stream)
+			.filter(Objects::nonNull)
+			.collect(Collectors.toList());
+	}
+
+	private static <F, T> T mappedFirst(final List<F> list, final Function<F, T> func) {
+		if (list == null) {
+			return null;
+		}
+
+		return list
+			.stream()
+			.map(func::apply)
+			.filter(Objects::nonNull)
+			.findFirst()
+			.orElse(null);
+	}
+
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/EventFinder.java

@@ -4,23 +4,10 @@ package eu.dnetlib.dhp.broker.oa.util;
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.EventFactory;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets.EnrichMissingDatasetIsReferencedBy;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets.EnrichMissingDatasetIsRelatedTo;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets.EnrichMissingDatasetIsSupplementedBy;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets.EnrichMissingDatasetIsSupplementedTo;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets.EnrichMissingDatasetReferences;
 import eu.dnetlib.dhp.broker.oa.matchers.relatedProjects.EnrichMissingProject;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedProjects.EnrichMoreProject;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedPublications.EnrichMissingPublicationIsReferencedBy;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedPublications.EnrichMissingPublicationIsRelatedTo;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedPublications.EnrichMissingPublicationIsSupplementedBy;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedPublications.EnrichMissingPublicationIsSupplementedTo;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedPublications.EnrichMissingPublicationReferences;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedSoftware.EnrichMissingSoftware;
-import eu.dnetlib.dhp.broker.oa.matchers.relatedSoftware.EnrichMoreSoftware;
 import eu.dnetlib.dhp.broker.oa.matchers.simple.EnrichMissingAbstract;
 import eu.dnetlib.dhp.broker.oa.matchers.simple.EnrichMissingAuthorOrcid;
 import eu.dnetlib.dhp.broker.oa.matchers.simple.EnrichMissingOpenAccess;
@@ -47,28 +34,28 @@ public class EventFinder {
 		matchers.add(new EnrichMorePid());
 		matchers.add(new EnrichMoreSubject());
 
-		// Advanced matchers
+		// // Advanced matchers
 		matchers.add(new EnrichMissingProject());
-		matchers.add(new EnrichMoreProject());
-		matchers.add(new EnrichMissingSoftware());
-		matchers.add(new EnrichMoreSoftware());
-		matchers.add(new EnrichMissingPublicationIsRelatedTo());
-		matchers.add(new EnrichMissingPublicationIsReferencedBy());
-		matchers.add(new EnrichMissingPublicationReferences());
-		matchers.add(new EnrichMissingPublicationIsSupplementedTo());
-		matchers.add(new EnrichMissingPublicationIsSupplementedBy());
-		matchers.add(new EnrichMissingDatasetIsRelatedTo());
-		matchers.add(new EnrichMissingDatasetIsReferencedBy());
-		matchers.add(new EnrichMissingDatasetReferences());
-		matchers.add(new EnrichMissingDatasetIsSupplementedTo());
-		matchers.add(new EnrichMissingDatasetIsSupplementedBy());
-		matchers.add(new EnrichMissingAbstract());
+		// matchers.add(new EnrichMoreProject());
+		// matchers.add(new EnrichMissingSoftware());
+		// matchers.add(new EnrichMoreSoftware());
+		// matchers.add(new EnrichMissingPublicationIsRelatedTo());
+		// matchers.add(new EnrichMissingPublicationIsReferencedBy());
+		// matchers.add(new EnrichMissingPublicationReferences());
+		// matchers.add(new EnrichMissingPublicationIsSupplementedTo());
+		// matchers.add(new EnrichMissingPublicationIsSupplementedBy());
+		// matchers.add(new EnrichMissingDatasetIsRelatedTo());
+		// matchers.add(new EnrichMissingDatasetIsReferencedBy());
+		// matchers.add(new EnrichMissingDatasetReferences());
+		// matchers.add(new EnrichMissingDatasetIsSupplementedTo());
+		// matchers.add(new EnrichMissingDatasetIsSupplementedBy());
+		// matchers.add(new EnrichMissingAbstract());
 	}
 
 	public static EventGroup generateEvents(final ResultGroup results, final DedupConfig dedupConfig) {
 		final List<UpdateInfo<?>> list = new ArrayList<>();
 
-		for (final OpenaireBrokerResult target : results.getData()) {
+		for (final OaBrokerMainEntity target : results.getData()) {
 			for (final UpdateMatcher<?> matcher : matchers) {
 				list.addAll(matcher.searchUpdatesForRecord(target, results.getData(), dedupConfig));
 			}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/EventGroup.java

@@ -14,12 +14,16 @@ public class EventGroup implements Serializable {
 	 */
 	private static final long serialVersionUID = 765977943803533130L;
 
-	private final List<Event> data = new ArrayList<>();
+	private List<Event> data = new ArrayList<>();
 
 	public List<Event> getData() {
 		return data;
 	}
 
+	public void setData(final List<Event> data) {
+		this.data = data;
+	}
+
 	public EventGroup addElement(final Event elem) {
 		data.add(elem);
 		return this;

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/UpdateInfo.java

@@ -9,10 +9,10 @@ import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import eu.dnetlib.broker.objects.Instance;
-import eu.dnetlib.broker.objects.OpenAireEventPayload;
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import eu.dnetlib.broker.objects.Provenance;
+import eu.dnetlib.broker.objects.OaBrokerEventPayload;
+import eu.dnetlib.broker.objects.OaBrokerInstance;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.broker.objects.OaBrokerProvenance;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.pace.config.DedupConfig;
 import eu.dnetlib.pace.model.MapDocument;
@@ -25,11 +25,11 @@ public final class UpdateInfo<T> {
 
 	private final T highlightValue;
 
-	private final OpenaireBrokerResult source;
+	private final OaBrokerMainEntity source;
 
-	private final OpenaireBrokerResult target;
+	private final OaBrokerMainEntity target;
 
-	private final BiConsumer<OpenaireBrokerResult, T> compileHighlight;
+	private final BiConsumer<OaBrokerMainEntity, T> compileHighlight;
 
 	private final Function<T, String> highlightToString;
 
@@ -37,9 +37,9 @@ public final class UpdateInfo<T> {
 
 	private static final Logger log = LoggerFactory.getLogger(UpdateInfo.class);
 
-	public UpdateInfo(final Topic topic, final T highlightValue, final OpenaireBrokerResult source,
-		final OpenaireBrokerResult target,
-		final BiConsumer<OpenaireBrokerResult, T> compileHighlight,
+	public UpdateInfo(final Topic topic, final T highlightValue, final OaBrokerMainEntity source,
+		final OaBrokerMainEntity target,
+		final BiConsumer<OaBrokerMainEntity, T> compileHighlight,
 		final Function<T, String> highlightToString,
 		final DedupConfig dedupConfig) {
 		this.topic = topic;
@@ -55,17 +55,17 @@ public final class UpdateInfo<T> {
 		return highlightValue;
 	}
 
-	public OpenaireBrokerResult getSource() {
+	public OaBrokerMainEntity getSource() {
 		return source;
 	}
 
-	public OpenaireBrokerResult getTarget() {
+	public OaBrokerMainEntity getTarget() {
 		return target;
 	}
 
 	private float calculateTrust(final DedupConfig dedupConfig,
-		final OpenaireBrokerResult r1,
-		final OpenaireBrokerResult r2) {
+		final OaBrokerMainEntity r1,
+		final OaBrokerMainEntity r2) {
 
 		if (dedupConfig == null) {
 			return BrokerConstants.MIN_TRUST;
@@ -104,31 +104,33 @@ public final class UpdateInfo<T> {
 		return highlightToString.apply(getHighlightValue());
 	}
 
-	public OpenAireEventPayload asBrokerPayload() {
+	public OaBrokerEventPayload asBrokerPayload() {
 
 		compileHighlight.accept(target, getHighlightValue());
 
-		final OpenaireBrokerResult hl = new OpenaireBrokerResult();
+		final OaBrokerMainEntity hl = new OaBrokerMainEntity();
 		compileHighlight.accept(hl, getHighlightValue());
 
-		final String provId = getSource().getOriginalId();
+		final String provId = getSource().getOpenaireId();
 		final String provRepo = getSource().getCollectedFromName();
 
 		final String provUrl = getSource()
 			.getInstances()
 			.stream()
-			.map(Instance::getUrl)
+			.map(OaBrokerInstance::getUrl)
 			.findFirst()
 			.orElse(null);
 		;
 
-		final Provenance provenance = new Provenance().setId(provId).setRepositoryName(provRepo).setUrl(provUrl);
+		final OaBrokerProvenance provenance = new OaBrokerProvenance(provId, provRepo, provUrl);
 
-		return new OpenAireEventPayload()
-			.setPublication(target)
-			.setHighlight(hl)
-			.setTrust(trust)
-			.setProvenance(provenance);
+		final OaBrokerEventPayload res = new OaBrokerEventPayload();
+		res.setResult(target);
+		res.setHighlight(hl);
+		res.setTrust(trust);
+		res.setProvenance(provenance);
+
+		return res;
 	}
 
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/simple/ResultAggregator.java

@@ -5,11 +5,11 @@ import org.apache.spark.sql.Encoder;
 import org.apache.spark.sql.Encoders;
 import org.apache.spark.sql.expressions.Aggregator;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.schema.oaf.Relation;
 import scala.Tuple2;
 
-public class ResultAggregator extends Aggregator<Tuple2<OpenaireBrokerResult, Relation>, ResultGroup, ResultGroup> {
+public class ResultAggregator extends Aggregator<Tuple2<OaBrokerMainEntity, Relation>, ResultGroup, ResultGroup> {
 
 	/**
 	 *
@@ -22,13 +22,15 @@ public class ResultAggregator extends Aggregator<Tuple2<OpenaireBrokerResult, Re
 	}
 
 	@Override
-	public ResultGroup reduce(final ResultGroup group, final Tuple2<OpenaireBrokerResult, Relation> t) {
-		return group.addElement(t._1);
+	public ResultGroup reduce(final ResultGroup group, final Tuple2<OaBrokerMainEntity, Relation> t) {
+		group.getData().add(t._1);
+		return group;
 	}
 
 	@Override
 	public ResultGroup merge(final ResultGroup g1, final ResultGroup g2) {
-		return g1.addGroup(g2);
+		g1.getData().addAll(g2.getData());
+		return g1;
 	}
 
 	@Override

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/simple/ResultGroup.java

@@ -5,7 +5,7 @@ import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 
 public class ResultGroup implements Serializable {
 
@@ -14,23 +14,14 @@ public class ResultGroup implements Serializable {
 	 */
 	private static final long serialVersionUID = -3360828477088669296L;
 
-	private final List<OpenaireBrokerResult> data = new ArrayList<>();
+	private List<OaBrokerMainEntity> data = new ArrayList<>();
 
-	public List<OpenaireBrokerResult> getData() {
+	public List<OaBrokerMainEntity> getData() {
 		return data;
 	}
 
-	public ResultGroup addElement(final OpenaireBrokerResult elem) {
-		data.add(elem);
-		return this;
+	public void setData(final List<OaBrokerMainEntity> data) {
+		this.data = data;
 	}
 
-	public ResultGroup addGroup(final ResultGroup group) {
-		data.addAll(group.getData());
-		return this;
-	}
-
-	public boolean isValid() {
-		return data.size() > 1;
-	}
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/OpenaireBrokerResultAggregator.java

@@ -1,69 +0,0 @@
-
-package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
-
-import org.apache.spark.sql.Encoder;
-import org.apache.spark.sql.Encoders;
-import org.apache.spark.sql.expressions.Aggregator;
-
-import eu.dnetlib.broker.objects.OpenaireBrokerResult;
-import scala.Tuple2;
-
-public class OpenaireBrokerResultAggregator<T>
-	extends Aggregator<Tuple2<OpenaireBrokerResult, T>, OpenaireBrokerResult, OpenaireBrokerResult> {
-
-	/**
-	 *
-	 */
-	private static final long serialVersionUID = -3687878788861013488L;
-
-	@Override
-	public OpenaireBrokerResult zero() {
-		return new OpenaireBrokerResult();
-	}
-
-	@Override
-	public OpenaireBrokerResult finish(final OpenaireBrokerResult g) {
-		return g;
-	}
-
-	@Override
-	public OpenaireBrokerResult reduce(final OpenaireBrokerResult g, final Tuple2<OpenaireBrokerResult, T> t) {
-		if (g.getOriginalId() == null) {
-			return t._1;
-		} else if (t._2 instanceof RelatedSoftware) {
-			g.getSoftwares().add(((RelatedSoftware) t._2).getRelSoftware());
-		} else if (t._2 instanceof RelatedDataset) {
-			g.getDatasets().add(((RelatedDataset) t._2).getRelDataset());
-		} else if (t._2 instanceof RelatedPublication) {
-			g.getPublications().add(((RelatedPublication) t._2).getRelPublication());
-		} else if (t._2 instanceof RelatedProject) {
-			g.getProjects().add(((RelatedProject) t._2).getRelProject());
-		}
-		return g;
-
-	}
-
-	@Override
-	public OpenaireBrokerResult merge(final OpenaireBrokerResult g1, final OpenaireBrokerResult g2) {
-		if (g1.getOriginalId() != null) {
-			g1.getSoftwares().addAll(g2.getSoftwares());
-			g1.getDatasets().addAll(g2.getDatasets());
-			g1.getPublications().addAll(g2.getPublications());
-			g1.getProjects().addAll(g2.getProjects());
-			return g1;
-		} else {
-			return g2;
-		}
-	}
-
-	@Override
-	public Encoder<OpenaireBrokerResult> bufferEncoder() {
-		return Encoders.bean(OpenaireBrokerResult.class);
-	}
-
-	@Override
-	public Encoder<OpenaireBrokerResult> outputEncoder() {
-		return Encoders.bean(OpenaireBrokerResult.class);
-	}
-
-}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedDataset.java

@@ -3,7 +3,7 @@ package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
 
 import java.io.Serializable;
 
-import eu.dnetlib.broker.objects.Dataset;
+import eu.dnetlib.broker.objects.OaBrokerRelatedDataset;
 
 public class RelatedDataset implements Serializable {
 
@@ -11,13 +11,15 @@ public class RelatedDataset implements Serializable {
 	 *
 	 */
 	private static final long serialVersionUID = 774487705184038324L;
-	private final String source;
-	private final String relType;
-	private final Dataset relDataset;
 
-	public RelatedDataset(final String source, final String relType, final Dataset relDataset) {
+	private String source;
+	private OaBrokerRelatedDataset relDataset;
+
+	public RelatedDataset() {
+	}
+
+	public RelatedDataset(final String source, final OaBrokerRelatedDataset relDataset) {
 		this.source = source;
-		this.relType = relType;
 		this.relDataset = relDataset;
 	}
 
@@ -25,12 +27,16 @@ public class RelatedDataset implements Serializable {
 		return source;
 	}
 
-	public String getRelType() {
-		return relType;
+	public void setSource(final String source) {
+		this.source = source;
 	}
 
-	public Dataset getRelDataset() {
+	public OaBrokerRelatedDataset getRelDataset() {
 		return relDataset;
 	}
 
+	public void setRelDataset(final OaBrokerRelatedDataset relDataset) {
+		this.relDataset = relDataset;
+	}
+
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedDatasetAggregator.java

@@ -0,0 +1,68 @@
+
+package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.spark.sql.Encoder;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.expressions.Aggregator;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import scala.Tuple2;
+
+public class RelatedDatasetAggregator
+	extends Aggregator<Tuple2<OaBrokerMainEntity, RelatedDataset>, OaBrokerMainEntity, OaBrokerMainEntity> {
+
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = 6969761680131482557L;
+
+	@Override
+	public OaBrokerMainEntity zero() {
+		return new OaBrokerMainEntity();
+	}
+
+	@Override
+	public OaBrokerMainEntity finish(final OaBrokerMainEntity g) {
+		return g;
+	}
+
+	@Override
+	public OaBrokerMainEntity reduce(final OaBrokerMainEntity g, final Tuple2<OaBrokerMainEntity, RelatedDataset> t) {
+		final OaBrokerMainEntity res = StringUtils.isNotBlank(g.getOpenaireId()) ? g : t._1;
+		if (t._2 != null && res.getDatasets().size() < BrokerConstants.MAX_NUMBER_OF_RELS) {
+			res.getDatasets().add(t._2.getRelDataset());
+		}
+		return res;
+
+	}
+
+	@Override
+	public OaBrokerMainEntity merge(final OaBrokerMainEntity g1, final OaBrokerMainEntity g2) {
+		if (StringUtils.isNotBlank(g1.getOpenaireId())) {
+			final int availables = BrokerConstants.MAX_NUMBER_OF_RELS - g1.getDatasets().size();
+			if (availables > 0) {
+				if (g2.getDatasets().size() <= availables) {
+					g1.getDatasets().addAll(g2.getDatasets());
+				} else {
+					g1.getDatasets().addAll(g2.getDatasets().subList(0, availables));
+				}
+			}
+			return g1;
+		} else {
+			return g2;
+		}
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> bufferEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> outputEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedEntityFactory.java

@@ -1,34 +0,0 @@
-
-package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
-
-import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
-import eu.dnetlib.dhp.schema.oaf.Dataset;
-import eu.dnetlib.dhp.schema.oaf.Project;
-import eu.dnetlib.dhp.schema.oaf.Publication;
-import eu.dnetlib.dhp.schema.oaf.Software;
-
-public class RelatedEntityFactory {
-
-	@SuppressWarnings("unchecked")
-	public static <RT, T> RT newRelatedEntity(final String sourceId,
-		final String relType,
-		final T target,
-		final Class<RT> clazz) {
-
-		if (clazz == RelatedProject.class) {
-			return (RT) new RelatedProject(sourceId, relType,
-				ConversionUtils.oafProjectToBrokerProject((Project) target));
-		} else if (clazz == RelatedSoftware.class) {
-			return (RT) new RelatedSoftware(sourceId, relType,
-				ConversionUtils.oafSoftwareToBrokerSoftware((Software) target));
-		} else if (clazz == RelatedDataset.class) {
-			return (RT) new RelatedDataset(sourceId, relType,
-				ConversionUtils.oafDatasetToBrokerDataset((Dataset) target));
-		} else if (clazz == RelatedPublication.class) {
-			return (RT) new RelatedPublication(sourceId, relType,
-				ConversionUtils.oafPublicationToBrokerPublication((Publication) target));
-		} else {
-			return null;
-		}
-	}
-}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedProject.java

@@ -3,7 +3,7 @@ package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
 
 import java.io.Serializable;
 
-import eu.dnetlib.broker.objects.Project;
+import eu.dnetlib.broker.objects.OaBrokerProject;
 
 public class RelatedProject implements Serializable {
 
@@ -12,13 +12,14 @@ public class RelatedProject implements Serializable {
 	 */
 	private static final long serialVersionUID = 4941437626549329870L;
 
-	private final String source;
-	private final String relType;
-	private final Project relProject;
+	private String source;
+	private OaBrokerProject relProject;
 
-	public RelatedProject(final String source, final String relType, final Project relProject) {
+	public RelatedProject() {
+	}
+
+	public RelatedProject(final String source, final OaBrokerProject relProject) {
 		this.source = source;
-		this.relType = relType;
 		this.relProject = relProject;
 	}
 
@@ -26,12 +27,16 @@ public class RelatedProject implements Serializable {
 		return source;
 	}
 
-	public String getRelType() {
-		return relType;
+	public void setSource(final String source) {
+		this.source = source;
 	}
 
-	public Project getRelProject() {
+	public OaBrokerProject getRelProject() {
 		return relProject;
 	}
 
+	public void setRelProject(final OaBrokerProject relProject) {
+		this.relProject = relProject;
+	}
+
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedProjectAggregator.java

@@ -0,0 +1,68 @@
+
+package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.spark.sql.Encoder;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.expressions.Aggregator;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import scala.Tuple2;
+
+public class RelatedProjectAggregator
+	extends Aggregator<Tuple2<OaBrokerMainEntity, RelatedProject>, OaBrokerMainEntity, OaBrokerMainEntity> {
+
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = 8559808519152275763L;
+
+	@Override
+	public OaBrokerMainEntity zero() {
+		return new OaBrokerMainEntity();
+	}
+
+	@Override
+	public OaBrokerMainEntity finish(final OaBrokerMainEntity g) {
+		return g;
+	}
+
+	@Override
+	public OaBrokerMainEntity reduce(final OaBrokerMainEntity g, final Tuple2<OaBrokerMainEntity, RelatedProject> t) {
+		final OaBrokerMainEntity res = StringUtils.isNotBlank(g.getOpenaireId()) ? g : t._1;
+		if (t._2 != null && res.getProjects().size() < BrokerConstants.MAX_NUMBER_OF_RELS) {
+			res.getProjects().add(t._2.getRelProject());
+		}
+		return res;
+
+	}
+
+	@Override
+	public OaBrokerMainEntity merge(final OaBrokerMainEntity g1, final OaBrokerMainEntity g2) {
+		if (StringUtils.isNotBlank(g1.getOpenaireId())) {
+			final int availables = BrokerConstants.MAX_NUMBER_OF_RELS - g1.getProjects().size();
+			if (availables > 0) {
+				if (g2.getProjects().size() <= availables) {
+					g1.getProjects().addAll(g2.getProjects());
+				} else {
+					g1.getProjects().addAll(g2.getProjects().subList(0, availables));
+				}
+			}
+			return g1;
+		} else {
+			return g2;
+		}
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> bufferEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> outputEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedPublication.java

@@ -3,7 +3,7 @@ package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
 
 import java.io.Serializable;
 
-import eu.dnetlib.broker.objects.Publication;
+import eu.dnetlib.broker.objects.OaBrokerRelatedPublication;
 
 public class RelatedPublication implements Serializable {
 
@@ -12,13 +12,14 @@ public class RelatedPublication implements Serializable {
 	 */
 	private static final long serialVersionUID = 9021609640411395128L;
 
-	private final String source;
-	private final String relType;
-	private final Publication relPublication;
+	private String source;
+	private OaBrokerRelatedPublication relPublication;
 
-	public RelatedPublication(final String source, final String relType, final Publication relPublication) {
+	public RelatedPublication() {
+	}
+
+	public RelatedPublication(final String source, final OaBrokerRelatedPublication relPublication) {
 		this.source = source;
-		this.relType = relType;
 		this.relPublication = relPublication;
 	}
 
@@ -26,12 +27,16 @@ public class RelatedPublication implements Serializable {
 		return source;
 	}
 
-	public String getRelType() {
-		return relType;
+	public void setSource(final String source) {
+		this.source = source;
 	}
 
-	public Publication getRelPublication() {
+	public OaBrokerRelatedPublication getRelPublication() {
 		return relPublication;
 	}
 
+	public void setRelPublication(final OaBrokerRelatedPublication relPublication) {
+		this.relPublication = relPublication;
+	}
+
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedPublicationAggregator.java

@@ -0,0 +1,70 @@
+
+package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.spark.sql.Encoder;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.expressions.Aggregator;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import scala.Tuple2;
+
+public class RelatedPublicationAggregator
+	extends Aggregator<Tuple2<OaBrokerMainEntity, RelatedPublication>, OaBrokerMainEntity, OaBrokerMainEntity> {
+
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = 4656934981558135919L;
+
+	@Override
+	public OaBrokerMainEntity zero() {
+		return new OaBrokerMainEntity();
+	}
+
+	@Override
+	public OaBrokerMainEntity finish(final OaBrokerMainEntity g) {
+		return g;
+	}
+
+	@Override
+	public OaBrokerMainEntity reduce(final OaBrokerMainEntity g,
+		final Tuple2<OaBrokerMainEntity, RelatedPublication> t) {
+		final OaBrokerMainEntity res = StringUtils.isNotBlank(g.getOpenaireId()) ? g : t._1;
+		if (t._2 != null && res.getPublications().size() < BrokerConstants.MAX_NUMBER_OF_RELS) {
+			res.getPublications().add(t._2.getRelPublication());
+		}
+		return res;
+
+	}
+
+	@Override
+	public OaBrokerMainEntity merge(final OaBrokerMainEntity g1, final OaBrokerMainEntity g2) {
+		if (StringUtils.isNotBlank(g1.getOpenaireId())) {
+			final int availables = BrokerConstants.MAX_NUMBER_OF_RELS - g1.getPublications().size();
+			if (availables > 0) {
+				if (g2.getPublications().size() <= availables) {
+					g1.getPublications().addAll(g2.getPublications());
+				} else {
+					g1.getPublications().addAll(g2.getPublications().subList(0, availables));
+				}
+			}
+			return g1;
+
+		} else {
+			return g2;
+		}
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> bufferEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> outputEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedSoftware.java

@@ -3,7 +3,7 @@ package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
 
 import java.io.Serializable;
 
-import eu.dnetlib.broker.objects.Software;
+import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
 
 public class RelatedSoftware implements Serializable {
 
@@ -11,13 +11,15 @@ public class RelatedSoftware implements Serializable {
 	 *
 	 */
 	private static final long serialVersionUID = 7573383356943300157L;
-	private final String source;
-	private final String relType;
-	private final Software relSoftware;
 
-	public RelatedSoftware(final String source, final String relType, final Software relSoftware) {
+	private String source;
+	private OaBrokerRelatedSoftware relSoftware;
+
+	public RelatedSoftware() {
+	}
+
+	public RelatedSoftware(final String source, final OaBrokerRelatedSoftware relSoftware) {
 		this.source = source;
-		this.relType = relType;
 		this.relSoftware = relSoftware;
 	}
 
@@ -25,12 +27,16 @@ public class RelatedSoftware implements Serializable {
 		return source;
 	}
 
-	public String getRelType() {
-		return relType;
+	public void setSource(final String source) {
+		this.source = source;
 	}
 
-	public Software getRelSoftware() {
+	public OaBrokerRelatedSoftware getRelSoftware() {
 		return relSoftware;
 	}
 
+	public void setRelSoftware(final OaBrokerRelatedSoftware relSoftware) {
+		this.relSoftware = relSoftware;
+	}
+
 }

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/aggregators/withRels/RelatedSoftwareAggregator.java

@@ -0,0 +1,68 @@
+
+package eu.dnetlib.dhp.broker.oa.util.aggregators.withRels;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.spark.sql.Encoder;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.expressions.Aggregator;
+
+import eu.dnetlib.broker.objects.OaBrokerMainEntity;
+import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
+import scala.Tuple2;
+
+public class RelatedSoftwareAggregator
+	extends Aggregator<Tuple2<OaBrokerMainEntity, RelatedSoftware>, OaBrokerMainEntity, OaBrokerMainEntity> {
+
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = -8987959389106443702L;
+
+	@Override
+	public OaBrokerMainEntity zero() {
+		return new OaBrokerMainEntity();
+	}
+
+	@Override
+	public OaBrokerMainEntity finish(final OaBrokerMainEntity g) {
+		return g;
+	}
+
+	@Override
+	public OaBrokerMainEntity reduce(final OaBrokerMainEntity g, final Tuple2<OaBrokerMainEntity, RelatedSoftware> t) {
+		final OaBrokerMainEntity res = StringUtils.isNotBlank(g.getOpenaireId()) ? g : t._1;
+		if (t._2 != null && res.getSoftwares().size() < BrokerConstants.MAX_NUMBER_OF_RELS) {
+			res.getSoftwares().add(t._2.getRelSoftware());
+		}
+		return res;
+
+	}
+
+	@Override
+	public OaBrokerMainEntity merge(final OaBrokerMainEntity g1, final OaBrokerMainEntity g2) {
+		if (StringUtils.isNotBlank(g1.getOpenaireId())) {
+			final int availables = BrokerConstants.MAX_NUMBER_OF_RELS - g1.getSoftwares().size();
+			if (availables > 0) {
+				if (g2.getSoftwares().size() <= availables) {
+					g1.getSoftwares().addAll(g2.getSoftwares());
+				} else {
+					g1.getSoftwares().addAll(g2.getSoftwares().subList(0, availables));
+				}
+			}
+			return g1;
+		} else {
+			return g2;
+		}
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> bufferEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+	@Override
+	public Encoder<OaBrokerMainEntity> outputEncoder() {
+		return Encoders.bean(OaBrokerMainEntity.class);
+	}
+
+}

dhp-workflows/dhp-broker-events/src/main/resources/eu/dnetlib/dhp/broker/oa/common_params.json

@@ -0,0 +1,14 @@
+[
+	{
+		"paramName": "g",
+		"paramLongName": "graphPath",
+		"paramDescription": "the path where there the graph is stored",
+		"paramRequired": true
+	},
+	{
+		"paramName": "o",
+		"paramLongName": "workingPath",
+		"paramDescription": "the path where the temporary data will be stored",
+		"paramRequired": true
+	}
+]

dhp-workflows/dhp-broker-events/src/main/resources/eu/dnetlib/dhp/broker/oa/generate_all/oozie_app/workflow.xml

@@ -6,8 +6,8 @@
             <description>the path where the graph is stored</description>
         </property>
         <property>
-            <name>eventsOutputPath</name>
-            <description>the path where the the events will be stored</description>
+            <name>workingPath</name>
+            <description>the path where the the generated data will be stored</description>
         </property>
         <property>
             <name>isLookupUrl</name>
@@ -73,18 +73,34 @@
         </configuration>
     </global>
 
-    <start to="generate_events"/>
+    <start to="ensure_working_path"/>
 
     <kill name="Kill">
         <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
     </kill>
     
-    <action name="generate_events">
+    <action name="ensure_working_path">
+        <fs>
+            <mkdir path='${workingPath}'/>
+        </fs>
+        <ok to="start_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+    
+    <fork name="start_entities_and_rels">
+		<path start="prepare_simple_entities"/>
+        <path start="prepare_related_softwares"/> 
+        <path start="prepare_related_datasets"/>
+        <path start="prepare_related_projects"/>
+        <path start="prepare_related_publications"/>
+    </fork>
+    
+    <action name="prepare_simple_entities">
         <spark xmlns="uri:oozie:spark-action:0.2">
             <master>yarn</master>
             <mode>cluster</mode>
-            <name>GenerateEvents</name>
-            <class>eu.dnetlib.dhp.broker.oa.GenerateEventsApplication</class>
+            <name>PrepareSimpleEntititiesJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareSimpleEntititiesJob</class>
             <jar>dhp-broker-events-${projectVersion}.jar</jar>
             <spark-opts>
                 --executor-cores=${sparkExecutorCores}
@@ -97,7 +113,249 @@
                 --conf spark.sql.shuffle.partitions=3840
             </spark-opts>
             <arg>--graphPath</arg><arg>${graphInputPath}</arg>
-            <arg>--eventsPath</arg><arg>${eventsOutputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="wait_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+
+ 
+    <action name="prepare_related_datasets">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>PrepareRelatedDatasetsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareRelatedDatasetsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="wait_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="prepare_related_projects">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>PrepareRelatedProjectsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareRelatedProjectsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="wait_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="prepare_related_publications">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>PrepareRelatedPublicationsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareRelatedPublicationsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="wait_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+  
+    <action name="prepare_related_softwares">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>PrepareRelatedSoftwaresJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareRelatedSoftwaresJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="wait_entities_and_rels"/>
+        <error to="Kill"/>
+    </action>
+ 
+	<join name="wait_entities_and_rels" to="join_entities_step1"/>
+    
+    <action name="join_entities_step1">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>JoinStep1</name>
+            <class>eu.dnetlib.dhp.broker.oa.JoinStep1Job</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="join_entities_step2"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="join_entities_step2">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>JoinStep2</name>
+            <class>eu.dnetlib.dhp.broker.oa.JoinStep2Job</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="join_entities_step3"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="join_entities_step3">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>JoinStep3</name>
+            <class>eu.dnetlib.dhp.broker.oa.JoinStep3Job</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="join_entities_step4"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="join_entities_step4">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>JoinStep4</name>
+            <class>eu.dnetlib.dhp.broker.oa.JoinStep4Job</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="prepare_groups"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="prepare_groups">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>PrepareGroupsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.PrepareGroupsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--graphPath</arg><arg>${graphInputPath}</arg>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+        </spark>
+        <ok to="generate_events"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="generate_events">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>GenerateEventsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.GenerateEventsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
             <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--dedupConfProfile</arg><arg>${dedupConfProfId}</arg>
         </spark>
@@ -105,7 +363,6 @@
         <error to="Kill"/>
     </action>
 
-
     <end name="End"/>
 
 </workflow-app>

dhp-workflows/dhp-broker-events/src/main/resources/eu/dnetlib/dhp/broker/oa/generate_events.json

@@ -1,13 +1,7 @@
 [
-	{
-		"paramName": "g",
-		"paramLongName": "graphPath",
-		"paramDescription": "the path where there the graph is stored",
-		"paramRequired": true
-	},
 	{
 		"paramName": "o",
-		"paramLongName": "eventsPath",
+		"paramLongName": "workingPath",
 		"paramDescription": "the path where the generated events will be stored",
 		"paramRequired": true
 	},

dhp-workflows/dhp-broker-events/src/main/resources/eu/dnetlib/dhp/broker/oa/partial/oozie_app/config-default.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+</configuration>

dhp-workflows/dhp-broker-events/src/main/resources/eu/dnetlib/dhp/broker/oa/partial/oozie_app/workflow.xml

@@ -0,0 +1,110 @@
+<workflow-app name="create broker events" xmlns="uri:oozie:workflow:0.5">
+
+    <parameters>
+        <property>
+            <name>graphInputPath</name>
+            <description>the path where the graph is stored</description>
+        </property>
+        <property>
+            <name>workingPath</name>
+            <description>the path where the the generated data will be stored</description>
+        </property>
+        <property>
+            <name>isLookupUrl</name>
+            <description>the address of the lookUp service</description>
+        </property>
+        <property>
+            <name>dedupConfProfId</name>
+            <description>the id of a valid Dedup Configuration Profile</description>
+        </property>
+
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+        <property>
+            <name>oozieActionShareLibForSpark2</name>
+            <description>oozie action sharelib for spark 2.*</description>
+        </property>
+        <property>
+            <name>spark2ExtraListeners</name>
+            <value>com.cloudera.spark.lineage.NavigatorAppListener</value>
+            <description>spark 2.* extra listeners classname</description>
+        </property>
+        <property>
+            <name>spark2SqlQueryExecutionListeners</name>
+            <value>com.cloudera.spark.lineage.NavigatorQueryListener</value>
+            <description>spark 2.* sql query execution listeners classname</description>
+        </property>
+        <property>
+            <name>spark2YarnHistoryServerAddress</name>
+            <description>spark 2.* yarn history server address</description>
+        </property>
+        <property>
+            <name>spark2EventLogDir</name>
+            <description>spark 2.* event log dir location</description>
+        </property>
+    </parameters>
+
+    <global>
+        <job-tracker>${jobTracker}</job-tracker>
+        <name-node>${nameNode}</name-node>
+        <configuration>
+            <property>
+                <name>mapreduce.job.queuename</name>
+                <value>${queueName}</value>
+            </property>
+            <property>
+                <name>oozie.launcher.mapred.job.queue.name</name>
+                <value>${oozieLauncherQueueName}</value>
+            </property>
+            <property>
+                <name>oozie.action.sharelib.for.spark</name>
+                <value>${oozieActionShareLibForSpark2}</value>
+            </property>
+        </configuration>
+    </global>
+
+    <start to="generate_events"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+    
+    
+        <action name="generate_events">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>GenerateEventsJob</name>
+            <class>eu.dnetlib.dhp.broker.oa.GenerateEventsJob</class>
+            <jar>dhp-broker-events-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores=${sparkExecutorCores}
+                --executor-memory=${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.shuffle.partitions=3840
+            </spark-opts>
+            <arg>--workingPath</arg><arg>${workingPath}</arg>
+            <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
+            <arg>--dedupConfProfile</arg><arg>${dedupConfProfId}</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
+
+    <end name="End"/>
+
+</workflow-app>

dhp-workflows/dhp-dedup-openaire/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>dhp-dedup-openaire</artifactId>

dhp-workflows/dhp-dedup-scholexplorer/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-distcp/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-doiboost/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/DoiBoostMappingUtil.scala

@@ -271,6 +271,26 @@ object DoiBoostMappingUtil {
   }
 
 
+
+  def createSP(value: String, classId: String,className:String, schemeId: String, schemeName:String): StructuredProperty = {
+    val sp = new StructuredProperty
+    sp.setQualifier(createQualifier(classId,className, schemeId, schemeName))
+    sp.setValue(value)
+    sp
+
+  }
+
+
+
+  def createSP(value: String, classId: String,className:String, schemeId: String, schemeName:String, dataInfo: DataInfo): StructuredProperty = {
+    val sp = new StructuredProperty
+    sp.setQualifier(createQualifier(classId,className, schemeId, schemeName))
+    sp.setValue(value)
+    sp.setDataInfo(dataInfo)
+    sp
+
+  }
+
   def createSP(value: String, classId: String, schemeId: String): StructuredProperty = {
     val sp = new StructuredProperty
     sp.setQualifier(createQualifier(classId, schemeId))
@@ -279,6 +299,8 @@ object DoiBoostMappingUtil {
 
   }
 
+
+
   def createSP(value: String, classId: String, schemeId: String, dataInfo: DataInfo): StructuredProperty = {
     val sp = new StructuredProperty
     sp.setQualifier(createQualifier(classId, schemeId))

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/MagDataModel.scala

@@ -129,16 +129,16 @@ case object ConversionUtil {
     val fieldOfStudy = item._2
     if (fieldOfStudy != null && fieldOfStudy.subjects != null && fieldOfStudy.subjects.nonEmpty) {
       val p: List[StructuredProperty] = fieldOfStudy.subjects.flatMap(s => {
-        val s1 = createSP(s.DisplayName, "keyword", "dnet:subject_classification_typologies")
+        val s1 = createSP(s.DisplayName, "MAG","Microsoft Academic Graph classification", "dnet:subject_classification_typologies", "dnet:subject_classification_typologies")
         val di = DoiBoostMappingUtil.generateDataInfo(s.Score.toString)
         var resList: List[StructuredProperty] = List(s1)
         if (s.MainType.isDefined) {
           val maintp = s.MainType.get
-          val s2 = createSP(s.MainType.get, "keyword", "dnet:subject_classification_typologies")
+          val s2 = createSP(s.MainType.get, "MAG","Microsoft Academic Graph classification", "dnet:subject_classification_typologies", "dnet:subject_classification_typologies")
           s2.setDataInfo(di)
           resList = resList ::: List(s2)
           if (maintp.contains(".")) {
-            val s3 = createSP(maintp.split("\\.").head, "keyword", "dnet:subject_classification_typologies")
+            val s3 = createSP(maintp.split("\\.").head, "MAG","Microsoft Academic Graph classification", "dnet:subject_classification_typologies", "dnet:subject_classification_typologies")
             s3.setDataInfo(di)
             resList = resList ::: List(s3)
           }

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/mag/SparkPreProcessMAG.scala

@@ -43,7 +43,7 @@ object SparkPreProcessMAG {
     val distinctPaper: Dataset[MagPapers] = spark.createDataset(result)
     distinctPaper.write.mode(SaveMode.Overwrite).save(s"${parser.get("targetPath")}/Papers_distinct")
 
-    logger.info("Phase 6) Enrich Publication with description")
+    logger.info("Phase 0) Enrich Publication with description")
     val pa = spark.read.load(s"${parser.get("sourcePath")}/PaperAbstractsInvertedIndex").as[MagPaperAbstract]
     pa.map(ConversionUtil.transformPaperAbstract).write.mode(SaveMode.Overwrite).save(s"${parser.get("targetPath")}/PaperAbstract")
 

dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/intersection/oozie_app/workflow.xml

@@ -32,7 +32,7 @@
 
 
 
-    <start to="GenerateActionSet"/>
+    <start to="CreateDOIBoost"/>
 
 
     <kill name="Kill">

dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/crossref/CrossrefMappingTest.scala

@@ -18,6 +18,9 @@ class CrossrefMappingTest {
   val mapper = new ObjectMapper()
 
 
+
+
+
   @Test
   def testFunderRelationshipsMapping(): Unit = {
     val template = Source.fromInputStream(getClass.getResourceAsStream("article_funder_template.json")).mkString
@@ -58,6 +61,27 @@ class CrossrefMappingTest {
   }
 
 
+  @Test
+  def testOrcidID() :Unit = {
+    val json = Source.fromInputStream(getClass.getResourceAsStream("orcid_data.json")).mkString
+
+
+    assertNotNull(json)
+    assertFalse(json.isEmpty);
+
+    val resultList: List[Oaf] = Crossref2Oaf.convert(json)
+
+    assertTrue(resultList.nonEmpty)
+
+    val items = resultList.filter(p => p.isInstanceOf[Result])
+
+
+    mapper.getSerializationConfig.enable(SerializationConfig.Feature.INDENT_OUTPUT)
+    items.foreach(p => println(mapper.writeValueAsString(p)))
+
+
+  }
+
   @Test
   def testEmptyTitle() :Unit = {
     val json = Source.fromInputStream(getClass.getResourceAsStream("empty_title.json")).mkString

dhp-workflows/dhp-doiboost/src/test/resources/eu/dnetlib/doiboost/crossref/orcid_data.json

@@ -0,0 +1,271 @@
+{
+  "DOI":"10.1016/j.carbpol.2020.115930",
+  "issued":{
+    "date-parts":[
+      [
+        2020,
+        4
+      ]
+    ]
+  },
+  "published-print":{
+    "date-parts":[
+      [
+        2020,
+        4
+      ]
+    ]
+  },
+  "prefix":"10.1016",
+  "subject":[
+    "Organic Chemistry",
+    "Materials Chemistry",
+    "Polymers and Plastics"
+  ],
+  "author":[
+    {
+      "affiliation":[
+
+      ],
+      "given":"Lei",
+      "family":"Fang",
+      "sequence":"first"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Hua",
+      "family":"Lin",
+      "sequence":"additional"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Zhenfeng",
+      "family":"Wu",
+      "sequence":"additional"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Zhen",
+      "family":"Wang",
+      "sequence":"additional"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Xinxin",
+      "family":"Fan",
+      "sequence":"additional"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Ziting",
+      "family":"Cheng",
+      "sequence":"additional"
+    },
+    {
+      "affiliation":[
+
+      ],
+      "given":"Xiaoya",
+      "family":"Hou",
+      "sequence":"additional"
+    },
+    {
+      "authenticated-orcid":false,
+      "given":"Daquan",
+      "family":"Chen",
+      "sequence":"additional",
+      "affiliation":[
+
+      ],
+      "ORCID":"http://orcid.org/0000-0002-6796-0204"
+    }
+  ],
+  "reference-count":41,
+  "ISSN":[
+    "0144-8617"
+  ],
+  "assertion":[
+    {
+      "name":"publisher",
+      "value":"Elsevier",
+      "label":"This article is maintained by"
+    },
+    {
+      "name":"articletitle",
+      "value":"In vitro/vivo evaluation of novel mitochondrial targeting charge-reversal polysaccharide-based antitumor nanoparticle",
+      "label":"Article Title"
+    },
+    {
+      "name":"journaltitle",
+      "value":"Carbohydrate Polymers",
+      "label":"Journal Title"
+    },
+    {
+      "name":"articlelink",
+      "value":"https://doi.org/10.1016/j.carbpol.2020.115930",
+      "label":"CrossRef DOI link to publisher maintained version"
+    },
+    {
+      "name":"content_type",
+      "value":"article",
+      "label":"Content Type"
+    },
+    {
+      "name":"copyright",
+      "value":"\\u00a9 2020 Elsevier Ltd. All rights reserved.",
+      "label":"Copyright"
+    }
+  ],
+  "member":"78",
+  "source":"Crossref",
+  "score":1.0,
+  "deposited":{
+    "timestamp":1584590965000,
+    "date-time":"2020-03-19T04:09:25Z",
+    "date-parts":[
+      [
+        2020,
+        3,
+        19
+      ]
+    ]
+  },
+  "indexed":{
+    "timestamp":1584592912467,
+    "date-time":"2020-03-19T04:41:52Z",
+    "date-parts":[
+      [
+        2020,
+        3,
+        19
+      ]
+    ]
+  },
+  "type":"journal-article",
+  "URL":"http://dx.doi.org/10.1016/j.carbpol.2020.115930",
+  "is-referenced-by-count":0,
+  "volume":"234",
+  "issn-type":[
+    {
+      "type":"print",
+      "value":"0144-8617"
+    }
+  ],
+  "link":[
+    {
+      "URL":"https://api.elsevier.com/content/article/PII:S0144861720301041?httpAccept=text/xml",
+      "intended-application":"text-mining",
+      "content-version":"vor",
+      "content-type":"text/xml"
+    },
+    {
+      "URL":"https://api.elsevier.com/content/article/PII:S0144861720301041?httpAccept=text/plain",
+      "intended-application":"text-mining",
+      "content-version":"vor",
+      "content-type":"text/plain"
+    }
+  ],
+  "update-policy":"http://dx.doi.org/10.1016/elsevier_cm_policy",
+  "references-count":41,
+  "short-container-title":[
+    "Carbohydrate Polymers"
+  ],
+  "publisher":"Elsevier BV",
+  "content-domain":{
+    "domain":[
+      "elsevier.com",
+      "sciencedirect.com"
+    ],
+    "crossmark-restriction":true
+  },
+  "language":"en",
+  "license":[
+    {
+      "URL":"https://www.elsevier.com/tdm/userlicense/1.0/",
+      "start":{
+        "timestamp":1585699200000,
+        "date-time":"2020-04-01T00:00:00Z",
+        "date-parts":[
+          [
+            2020,
+            4,
+            1
+          ]
+        ]
+      },
+      "content-version":"tdm",
+      "delay-in-days":0
+    }
+  ],
+  "created":{
+    "timestamp":1581759678000,
+    "date-time":"2020-02-15T09:41:18Z",
+    "date-parts":[
+      [
+        2020,
+        2,
+        15
+      ]
+    ]
+  },
+  "title":[
+    "In vitro/vivo evaluation of novel mitochondrial targeting charge-reversal polysaccharide-based antitumor nanoparticle"
+  ],
+  "alternative-id":[
+    "S0144861720301041"
+  ],
+  "container-title":[
+    "Carbohydrate Polymers"
+  ],
+  "funder":[
+    {
+      "doi-asserted-by":"publisher",
+      "DOI":"10.13039/501100007129",
+      "name":"Natural Science Foundation of Shandong Province",
+      "award":[
+        "ZR2019ZD24",
+        "ZR2019YQ30"
+      ]
+    },
+    {
+      "doi-asserted-by":"publisher",
+      "DOI":"10.13039/100010449",
+      "name":"Ministry of Education, Libya",
+      "award":[
+
+      ]
+    },
+    {
+      "doi-asserted-by":"publisher",
+      "DOI":"10.13039/501100012249",
+      "name":"Jiangxi University of Traditional Chinese Medicine",
+      "award":[
+        "TCM-0906"
+      ]
+    },
+    {
+      "name":"Taishan Scholar Program",
+      "award":[
+        "qnts20161035"
+      ]
+    },
+    {
+      "name":"Open fund project of Key Laboratory of Modern Preparation of TCM",
+      "award":[
+
+      ]
+    }
+  ],
+  "page":"115930",
+  "article-number":"115930"
+}

dhp-workflows/dhp-enrichment/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-graph-mapper/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java

@@ -3,9 +3,13 @@ package eu.dnetlib.dhp.oa.graph.clean;
 
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
 
+import java.io.BufferedInputStream;
+import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.function.MapFunction;
 import org.apache.spark.sql.Dataset;
@@ -19,7 +23,9 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.common.HdfsSupport;
+import eu.dnetlib.dhp.oa.graph.raw.common.OafMapperUtils;
 import eu.dnetlib.dhp.oa.graph.raw.common.VocabularyGroup;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
 import eu.dnetlib.dhp.schema.oaf.*;
 import eu.dnetlib.dhp.utils.ISLookupClientFactory;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
@@ -84,12 +90,100 @@ public class CleanGraphSparkJob {
 
 		readTableFromPath(spark, inputPath, clazz)
 			.map((MapFunction<T, T>) value -> OafCleaner.apply(value, mapping), Encoders.bean(clazz))
+			.map((MapFunction<T, T>) value -> fixDefaults(value), Encoders.bean(clazz))
 			.write()
 			.mode(SaveMode.Overwrite)
 			.option("compression", "gzip")
 			.json(outputPath);
 	}
 
+	private static <T extends Oaf> T fixDefaults(T value) {
+		if (value instanceof Datasource) {
+			// nothing to clean here
+		} else if (value instanceof Project) {
+			// nothing to clean here
+		} else if (value instanceof Organization) {
+			Organization o = (Organization) value;
+			if (Objects.isNull(o.getCountry()) || StringUtils.isBlank(o.getCountry().getClassid())) {
+				o.setCountry(qualifier("UNKNOWN", "Unknown", ModelConstants.DNET_COUNTRY_TYPE));
+			}
+		} else if (value instanceof Relation) {
+			// nothing to clean here
+		} else if (value instanceof Result) {
+
+			Result r = (Result) value;
+			if (Objects.isNull(r.getLanguage()) || StringUtils.isBlank(r.getLanguage().getClassid())) {
+				r
+					.setLanguage(
+						qualifier("und", "Undetermined", ModelConstants.DNET_LANGUAGES));
+			}
+			if (Objects.nonNull(r.getSubject())) {
+				r
+					.setSubject(
+						r
+							.getSubject()
+							.stream()
+							.filter(Objects::nonNull)
+							.filter(sp -> StringUtils.isNotBlank(sp.getValue()))
+							.filter(sp -> Objects.nonNull(sp.getQualifier()))
+							.filter(sp -> StringUtils.isNotBlank(sp.getQualifier().getClassid()))
+							.collect(Collectors.toList()));
+			}
+			if (Objects.isNull(r.getResourcetype()) || StringUtils.isBlank(r.getResourcetype().getClassid())) {
+				r
+					.setResourcetype(
+						qualifier("UNKNOWN", "Unknown", ModelConstants.DNET_DATA_CITE_RESOURCE));
+			}
+			if (Objects.isNull(r.getBestaccessright()) || StringUtils.isBlank(r.getBestaccessright().getClassid())) {
+				r
+					.setBestaccessright(
+						qualifier("UNKNOWN", "not available", ModelConstants.DNET_ACCESS_MODES));
+			}
+			if (Objects.nonNull(r.getInstance())) {
+				for (Instance i : r.getInstance()) {
+					if (Objects.isNull(i.getAccessright()) || StringUtils.isBlank(i.getAccessright().getClassid())) {
+						i.setAccessright(qualifier("UNKNOWN", "not available", ModelConstants.DNET_ACCESS_MODES));
+					}
+					if (Objects.isNull(i.getHostedby()) || StringUtils.isBlank(i.getHostedby().getKey())) {
+						i.setHostedby(ModelConstants.UNKNOWN_REPOSITORY);
+					}
+					if (Objects.isNull(i.getRefereed())) {
+						i.setRefereed(qualifier("0000", "Unknown", ModelConstants.DNET_REVIEW_LEVELS));
+					}
+				}
+			}
+			if (Objects.nonNull(r.getAuthor())) {
+				boolean nullRank = r
+					.getAuthor()
+					.stream()
+					.anyMatch(a -> Objects.isNull(a.getRank()));
+				if (nullRank) {
+					int i = 1;
+					for (Author author : r.getAuthor()) {
+						author.setRank(i++);
+					}
+				}
+			}
+			if (value instanceof Publication) {
+
+			} else if (value instanceof eu.dnetlib.dhp.schema.oaf.Dataset) {
+
+			} else if (value instanceof OtherResearchProduct) {
+
+			} else if (value instanceof Software) {
+
+			}
+		}
+
+		return value;
+	}
+
+	private static Qualifier qualifier(String classid, String classname, String scheme) {
+		return OafMapperUtils
+			.qualifier(
+				classid, classname, scheme, scheme);
+	}
+
 	private static <T extends Oaf> Dataset<T> readTableFromPath(
 		SparkSession spark, String inputEntityPath, Class<T> clazz) {
 

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleaningRuleMap.java

@@ -4,10 +4,13 @@ package eu.dnetlib.dhp.oa.graph.clean;
 import java.io.Serializable;
 import java.util.HashMap;
 
+import org.apache.commons.lang3.StringUtils;
+
 import eu.dnetlib.dhp.common.FunctionalInterfaceSupport.SerializableConsumer;
 import eu.dnetlib.dhp.oa.graph.raw.common.VocabularyGroup;
+import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.oaf.Country;
 import eu.dnetlib.dhp.schema.oaf.Qualifier;
-import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 
 public class CleaningRuleMap extends HashMap<Class, SerializableConsumer<Object>> implements Serializable {
 
@@ -18,23 +21,24 @@ public class CleaningRuleMap extends HashMap<Class, SerializableConsumer<Object>
 	 */
 	public static CleaningRuleMap create(VocabularyGroup vocabularies) {
 		CleaningRuleMap mapping = new CleaningRuleMap();
-		mapping.put(Qualifier.class, o -> {
-			Qualifier q = (Qualifier) o;
-			if (vocabularies.vocabularyExists(q.getSchemeid())) {
-				Qualifier newValue = vocabularies.lookup(q.getSchemeid(), q.getClassid());
-				q.setClassid(newValue.getClassid());
-				q.setClassname(newValue.getClassname());
+		mapping.put(Qualifier.class, o -> cleanQualifier(vocabularies, (Qualifier) o));
+		mapping.put(Country.class, o -> {
+			final Country c = (Country) o;
+			if (StringUtils.isBlank(c.getSchemeid())) {
+				c.setSchemeid(ModelConstants.DNET_COUNTRY_TYPE);
+				c.setSchemename(ModelConstants.DNET_COUNTRY_TYPE);
 			}
-		});
-		mapping.put(StructuredProperty.class, o -> {
-			StructuredProperty sp = (StructuredProperty) o;
-			// TODO implement a policy
-			/*
-			 * if (StringUtils.isBlank(sp.getValue())) { sp.setValue(null); sp.setQualifier(null); sp.setDataInfo(null);
-			 * }
-			 */
+			cleanQualifier(vocabularies, c);
 		});
 		return mapping;
 	}
 
+	private static <Q extends Qualifier> void cleanQualifier(VocabularyGroup vocabularies, Q q) {
+		if (vocabularies.vocabularyExists(q.getSchemeid())) {
+			Qualifier newValue = vocabularies.lookup(q.getSchemeid(), q.getClassid());
+			q.setClassid(newValue.getClassid());
+			q.setClassname(newValue.getClassname());
+		}
+	}
+
 }

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/MigrateDbEntitiesApplication.java

@@ -50,8 +50,6 @@ import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.collect.Lists;
-
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.common.DbClient;
 import eu.dnetlib.dhp.oa.graph.raw.common.AbstractMigrationApplication;
@@ -106,6 +104,9 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationApplication i
 		final String dbPassword = parser.get("postgresPassword");
 		log.info("postgresPassword: xxx");
 
+		final String dbSchema = parser.get("dbschema");
+		log.info("dbSchema {}: " + dbSchema);
+
 		final String isLookupUrl = parser.get("isLookupUrl");
 		log.info("isLookupUrl: {}", isLookupUrl);
 
@@ -125,7 +126,11 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationApplication i
 				smdbe.execute("queryDatasources.sql", smdbe::processDatasource);
 
 				log.info("Processing projects...");
-				smdbe.execute("queryProjects.sql", smdbe::processProject);
+				if (dbSchema.equalsIgnoreCase("beta")) {
+					smdbe.execute("queryProjects.sql", smdbe::processProject);
+				} else {
+					smdbe.execute("queryProjects_production.sql", smdbe::processProject);
+				}
 
 				log.info("Processing orgs...");
 				smdbe.execute("queryOrganizations.sql", smdbe::processOrganization);

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/OafMapperUtils.java

@@ -9,7 +9,15 @@ import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
 
-import eu.dnetlib.dhp.schema.oaf.*;
+import eu.dnetlib.dhp.schema.oaf.DataInfo;
+import eu.dnetlib.dhp.schema.oaf.ExtraInfo;
+import eu.dnetlib.dhp.schema.oaf.Field;
+import eu.dnetlib.dhp.schema.oaf.Journal;
+import eu.dnetlib.dhp.schema.oaf.KeyValue;
+import eu.dnetlib.dhp.schema.oaf.OAIProvenance;
+import eu.dnetlib.dhp.schema.oaf.OriginDescription;
+import eu.dnetlib.dhp.schema.oaf.Qualifier;
+import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 import eu.dnetlib.dhp.utils.DHPUtils;
 
 public class OafMapperUtils {
@@ -89,7 +97,9 @@ public class OafMapperUtils {
 	}
 
 	public static StructuredProperty structuredProperty(
-		final String value, final Qualifier qualifier, final DataInfo dataInfo) {
+		final String value,
+		final Qualifier qualifier,
+		final DataInfo dataInfo) {
 		if (value == null) {
 			return null;
 		}
@@ -192,8 +202,12 @@ public class OafMapperUtils {
 	}
 
 	public static String createOpenaireId(
-		final int prefix, final String originalId, final boolean to_md5) {
-		if (to_md5) {
+		final int prefix,
+		final String originalId,
+		final boolean to_md5) {
+		if (StringUtils.isBlank(originalId)) {
+			return null;
+		} else if (to_md5) {
 			final String nsPrefix = StringUtils.substringBefore(originalId, "::");
 			final String rest = StringUtils.substringAfter(originalId, "::");
 			return String.format("%s|%s::%s", prefix, nsPrefix, DHPUtils.md5(rest));
@@ -203,7 +217,9 @@ public class OafMapperUtils {
 	}
 
 	public static String createOpenaireId(
-		final String type, final String originalId, final boolean to_md5) {
+		final String type,
+		final String originalId,
+		final boolean to_md5) {
 		switch (type) {
 			case "datasource":
 				return createOpenaireId(10, originalId, to_md5);

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/common/VocabularyGroup.java

@@ -122,7 +122,11 @@ public class VocabularyGroup implements Serializable {
 	}
 
 	public boolean vocabularyExists(final String vocId) {
-		return vocs.containsKey(vocId.toLowerCase());
+		return Optional
+			.ofNullable(vocId)
+			.map(String::toLowerCase)
+			.map(id -> vocs.containsKey(id))
+			.orElse(false);
 	}
 
 	private void addSynonyms(final String vocId, final String termId, final String syn) {

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/migrate_db_entities_parameters.json

@@ -34,5 +34,11 @@
 		"paramLongName": "isLookupUrl",
 		"paramDescription": "the url of the ISLookupService",
 		"paramRequired": true
+	},
+	{
+		"paramName": "dbschema",
+		"paramLongName": "dbschema",
+		"paramDescription": "the database schema according to the D-Net infrastructure (beta or production)",
+		"paramRequired": true
 	}
 ]

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/raw_all/oozie_app/workflow.xml

@@ -25,6 +25,11 @@
         <property>
             <name>postgresPassword</name>
             <description>the password postgres</description>
+        </property>
+		<property>
+            <name>dbSchema</name>
+            <value>beta</value>
+            <description>the database schema according to the D-Net infrastructure (beta or production)</description>
         </property>
         <property>
             <name>mongoURL</name>
@@ -125,6 +130,7 @@
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
             <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--action</arg><arg>claims</arg>
+            <arg>--dbschema</arg><arg>${dbSchema}</arg>
         </java>
         <ok to="ImportODF_claims"/>
         <error to="Kill"/>
@@ -175,6 +181,7 @@
             <arg>--postgresUser</arg><arg>${postgresUser}</arg>
             <arg>--postgresPassword</arg><arg>${postgresPassword}</arg>
             <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
+            <arg>--dbschema</arg><arg>${dbSchema}</arg>
         </java>
         <ok to="ImportODF"/>
         <error to="Kill"/>

dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/clean/CleaningFunctionTest.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import eu.dnetlib.dhp.oa.graph.raw.common.VocabularyGroup;
 import eu.dnetlib.dhp.schema.oaf.Publication;
 import eu.dnetlib.dhp.schema.oaf.Qualifier;
+import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
 
@@ -56,6 +57,9 @@ public class CleaningFunctionTest {
 		String json = IOUtils.toString(getClass().getResourceAsStream("/eu/dnetlib/dhp/oa/graph/clean/result.json"));
 		Publication p_in = MAPPER.readValue(json, Publication.class);
 
+		assertTrue(p_in instanceof Result);
+		assertTrue(p_in instanceof Publication);
+
 		Publication p_out = OafCleaner.apply(p_in, mapping);
 
 		assertNotNull(p_out);
@@ -63,6 +67,9 @@ public class CleaningFunctionTest {
 		assertEquals("und", p_out.getLanguage().getClassid());
 		assertEquals("Undetermined", p_out.getLanguage().getClassname());
 
+		assertEquals("DE", p_out.getCountry().get(0).getClassid());
+		assertEquals("Germany", p_out.getCountry().get(0).getClassname());
+
 		assertEquals("0018", p_out.getInstance().get(0).getInstancetype().getClassid());
 		assertEquals("Annotation", p_out.getInstance().get(0).getInstancetype().getClassname());
 

dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java

@@ -111,6 +111,7 @@ public class MappersTest {
 				assertNotNull(i.getAccessright());
 				assertEquals("OPEN", i.getAccessright().getClassid());
 			});
+		assertEquals("0001", p.getInstance().get(0).getRefereed().getClassid());
 
 		assertNotNull(p.getBestaccessright());
 		assertEquals("OPEN", p.getBestaccessright().getClassid());
@@ -217,6 +218,7 @@ public class MappersTest {
 				assertNotNull(i.getAccessright());
 				assertEquals("OPEN", i.getAccessright().getClassid());
 			});
+		assertEquals("0001", d.getInstance().get(0).getRefereed().getClassid());
 
 		assertValidId(r1.getSource());
 		assertValidId(r1.getTarget());

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/clean/result.json

@@ -202,6 +202,12 @@
   "contributor": [
   ],
   "country": [
+    {
+      "classid": "DE",
+      "classname": "DE",
+      "schemeid": "dnet:countries",
+      "schemename": "dnet:countries"
+    }
   ],
   "coverage": [
   ],

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/oaf_record.xml

@@ -57,6 +57,7 @@
     <oaf:identifier identifierType="doi">10.3897/oneeco.2.e13718</oaf:identifier>
     <oaf:fulltext>https://oneecosystem.pensoft.net/article/13718/</oaf:fulltext>
     <oaf:journal eissn="2367-8194" issn="">One Ecosystem</oaf:journal>
+    <oaf:refereed>0001</oaf:refereed>
   </metadata>
   <about xmlns:oai="http://www.openarchives.org/OAI/2.0/">
     <provenance xmlns="http://www.openarchives.org/OAI/2.0/provenance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/provenance http://www.openarchives.org/OAI/2.0/provenance.xsd">

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/odf_dataset.xml

@@ -90,6 +90,7 @@
     <oaf:hostedBy id="re3data_____::r3d100010468" name="Zenodo"/>
     <oaf:projectid>corda_______::226852</oaf:projectid>
     <oaf:collectedFrom id="re3data_____::r3d100010468" name="Zenodo"/>
+    <oaf:refereed>0001</oaf:refereed>s
   </metadata>
   <about xmlns:dc="http://purl.org/dc/elements/1.1/"
     xmlns:dri="http://www.driver-repository.eu/namespace/dri"

dhp-workflows/dhp-graph-provision-scholexplorer/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/DLIToOAF.scala

@@ -4,9 +4,12 @@ import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 
 import eu.dnetlib.dhp.common.PacePerson
-import eu.dnetlib.dhp.schema.oaf.{Author, DataInfo, Dataset, Field, Instance, KeyValue, Publication, Qualifier, Relation, StructuredProperty}
+import eu.dnetlib.dhp.schema.action.AtomicAction
+import eu.dnetlib.dhp.schema.oaf.{Author, DataInfo, Dataset, ExternalReference, Field, Instance, KeyValue, Oaf, Publication, Qualifier, Relation, StructuredProperty}
 import eu.dnetlib.dhp.schema.scholexplorer.{DLIDataset, DLIPublication, DLIRelation}
+import eu.dnetlib.dhp.utils.DHPUtils
 import org.apache.commons.lang3.StringUtils
+import org.codehaus.jackson.map.ObjectMapper
 
 import scala.collection.JavaConverters._
 
@@ -77,6 +80,76 @@ object DLIToOAF {
   )
 
 
+  val rel_inverse: Map[String, String] = Map(
+    "isRelatedTo" -> "isRelatedTo",
+    "IsSupplementedBy" -> "isSupplementTo",
+    "cites" -> "IsCitedBy",
+    "IsCitedBy" -> "cites",
+    "reviews" -> "IsReviewedBy"
+  )
+
+
+  val PidTypeMap: Map[String, String] = Map(
+    "pbmid" -> "pmid",
+    "pmcid" -> "pmc",
+    "pmid" -> "pmid",
+    "pubmedid" -> "pmid",
+    "DOI" -> "doi",
+    "doi" -> "doi"
+  )
+
+
+  def toActionSet(item: Oaf): (String, String) = {
+    val mapper = new ObjectMapper()
+
+    item match {
+      case dataset: Dataset =>
+        val a: AtomicAction[Dataset] = new AtomicAction[Dataset]
+        a.setClazz(classOf[Dataset])
+        a.setPayload(dataset)
+        (dataset.getClass.getCanonicalName, mapper.writeValueAsString(a))
+      case publication: Publication =>
+        val a: AtomicAction[Publication] = new AtomicAction[Publication]
+        a.setClazz(classOf[Publication])
+        a.setPayload(publication)
+        (publication.getClass.getCanonicalName, mapper.writeValueAsString(a))
+      case relation: Relation =>
+        val a: AtomicAction[Relation] = new AtomicAction[Relation]
+        a.setClazz(classOf[Relation])
+        a.setPayload(relation)
+        (relation.getClass.getCanonicalName, mapper.writeValueAsString(a))
+      case _ =>
+        null
+    }
+  }
+
+  def convertClinicalTrial(dataset: DLIDataset): (String, String) = {
+    val currentId = generateId(dataset.getId)
+    val pids = dataset.getPid.asScala.filter(p => "clinicaltrials.gov".equalsIgnoreCase(p.getQualifier.getClassname)).map(p => s"50|r3111dacbab5::${DHPUtils.md5(p.getValue.toLowerCase())}")
+    if (pids.isEmpty)
+      null
+    else
+      (currentId, pids.head)
+  }
+
+
+  def insertExternalRefs(publication: Publication, externalReferences: List[DLIExternalReference]): Publication = {
+
+    val eRefs = externalReferences.map(e => {
+      val result = new ExternalReference()
+      result.setSitename(e.sitename)
+      result.setLabel(e.label)
+      result.setUrl(e.url)
+      result.setRefidentifier(e.pid)
+      result.setDataInfo(generateDataInfo())
+      result.setQualifier(createQualifier(e.classId, "dnet:externalReference_typologies"))
+      result
+    })
+    publication.setExternalReference(eRefs.asJava)
+    publication
+
+  }
+
   def filterPid(p: StructuredProperty): Boolean = {
     if (expectecdPidType.contains(p.getQualifier.getClassname) && p.getQualifier.getClassname.equalsIgnoreCase("url"))
       if (filteredURL.exists(u => p.getValue.contains(u)))
@@ -97,7 +170,6 @@ object DLIToOAF {
   }
 
   def convertDLIDatasetToExternalReference(dataset: DLIDataset): DLIExternalReference = {
-    val currentId = generateId(dataset.getId)
     val pids = dataset.getPid.asScala.filter(filterPid)
 
     if (pids == null || pids.isEmpty)
@@ -109,7 +181,7 @@ object DLIToOAF {
     pid.getQualifier.getClassname match {
       case "uniprot" => DLIExternalReference(generateId(dataset.getId), s"https://www.uniprot.org/uniprot/${pid.getValue}", "UniProt", extractTitle(dataset.getTitle), pid.getValue, "accessionNumber")
       case "ena" =>
-        if(pid.getValue!= null && pid.getValue.nonEmpty && pid.getValue.length>7)
+        if (pid.getValue != null && pid.getValue.nonEmpty && pid.getValue.length > 7)
           DLIExternalReference(generateId(dataset.getId), s"https://www.ebi.ac.uk/ena/data/view/${pid.getValue.substring(0, 8)}", "European Nucleotide Archive", extractTitle(dataset.getTitle), pid.getValue, "accessionNumber")
         else
           null
@@ -126,43 +198,50 @@ object DLIToOAF {
   }
 
 
-  def convertDLIPublicationToOAF(p: DLIPublication): Publication = {
-
+  def convertDLIPublicationToOAF(inputPublication: DLIPublication): Publication = {
     val result = new Publication
-    result.setId(generateId(p.getId))
+    val cleanedPids = inputPublication.getPid.asScala.filter(p => PidTypeMap.contains(p.getQualifier.getClassid))
+      .map(p => {
+            p.setQualifier(createQualifier(PidTypeMap(p.getQualifier.getClassid), p.getQualifier.getSchemeid))
+            p
+    })
+    if (cleanedPids.isEmpty)
+      return null
+    result.setId(generateId(inputPublication.getId))
     result.setDataInfo(generateDataInfo(invisibile = true))
-    if (p.getCollectedfrom == null || p.getCollectedfrom.size() == 0 || (p.getCollectedfrom.size() == 1 && p.getCollectedfrom.get(0) == null))
+    if (inputPublication.getCollectedfrom == null || inputPublication.getCollectedfrom.size() == 0 || (inputPublication.getCollectedfrom.size() == 1 && inputPublication.getCollectedfrom.get(0) == null))
       return null
-
-    result.setCollectedfrom(p.getCollectedfrom.asScala.map(c => collectedFromMap.getOrElse(c.getKey, null)).asJava)
-    result.setPid(p.getPid)
-    result.setDateofcollection(p.getDateofcollection)
-    result.setOriginalId(p.getPid.asScala.map(p => p.getValue).asJava)
+    result.setCollectedfrom(inputPublication.getCollectedfrom.asScala.map(c => collectedFromMap.getOrElse(c.getKey, null)).filter(p => p != null).asJava)
+    if(result.getCollectedfrom.isEmpty)
+      return null
+    result.setPid(cleanedPids.asJava)
+    result.setDateofcollection(inputPublication.getDateofcollection)
+    result.setOriginalId(inputPublication.getPid.asScala.map(p => p.getValue).asJava)
     result.setDateoftransformation(LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'")))
-    if (p.getAuthor == null || p.getAuthor.isEmpty)
+    if (inputPublication.getAuthor == null || inputPublication.getAuthor.isEmpty)
       return null
-    result.setAuthor(p.getAuthor.asScala.map(convertAuthor).asJava)
-    result.setResulttype(createQualifier(p.getResulttype.getClassid, p.getResulttype.getClassname, "dnet:result_typologies", "dnet:result_typologies"))
+    result.setAuthor(inputPublication.getAuthor.asScala.map(convertAuthor).asJava)
+    result.setResulttype(createQualifier(inputPublication.getResulttype.getClassid, inputPublication.getResulttype.getClassname, "dnet:result_typologies", "dnet:result_typologies"))
 
-    if (p.getSubject != null)
-      result.setSubject(p.getSubject.asScala.map(convertSubject).asJava)
+    if (inputPublication.getSubject != null)
+      result.setSubject(inputPublication.getSubject.asScala.map(convertSubject).asJava)
 
-    if (p.getTitle == null || p.getTitle.isEmpty)
+    if (inputPublication.getTitle == null || inputPublication.getTitle.isEmpty)
       return null
 
-    result.setTitle(List(patchTitle(p.getTitle.get(0))).asJava)
+    result.setTitle(List(patchTitle(inputPublication.getTitle.get(0))).asJava)
 
-    if (p.getRelevantdate == null || p.getRelevantdate.size() == 0)
+    if (inputPublication.getRelevantdate == null || inputPublication.getRelevantdate.size() == 0)
       return null
 
-    result.setRelevantdate(p.getRelevantdate.asScala.map(patchRelevantDate).asJava)
+    result.setRelevantdate(inputPublication.getRelevantdate.asScala.map(patchRelevantDate).asJava)
 
 
-    result.setDescription(p.getDescription)
+    result.setDescription(inputPublication.getDescription)
 
-    result.setDateofacceptance(asField(p.getRelevantdate.get(0).getValue))
-    result.setPublisher(p.getPublisher)
-    result.setSource(p.getSource)
+    result.setDateofacceptance(asField(inputPublication.getRelevantdate.get(0).getValue))
+    result.setPublisher(inputPublication.getPublisher)
+    result.setSource(inputPublication.getSource)
     result.setBestaccessright(createQualifier("UNKNOWN", "not available", "dnet:access_modes", "dnet:access_modes"))
 
     val dois = result.getPid.asScala.filter(p => "doi".equalsIgnoreCase(p.getQualifier.getClassname)).map(p => p.getValue)
@@ -170,7 +249,7 @@ object DLIToOAF {
       return null
 
 
-    val i: Instance = createInstance(s"https://dx.doi.org/${dois.head}", firstInstanceOrNull(p.getInstance()), result.getDateofacceptance)
+    val i: Instance = createInstance(s"https://dx.doi.org/${dois.head}", firstInstanceOrNull(inputPublication.getInstance()), result.getDateofacceptance)
 
     if (i != null)
       result.setInstance(List(i).asJava)
@@ -211,7 +290,9 @@ object DLIToOAF {
     val result: Dataset = new Dataset
     result.setId(generateId(d.getId))
     result.setDataInfo(generateDataInfo())
-    result.setCollectedfrom(d.getCollectedfrom.asScala.map(c => collectedFromMap.getOrElse(c.getKey, null)).asJava)
+    result.setCollectedfrom(d.getCollectedfrom.asScala.map(c => collectedFromMap.getOrElse(c.getKey, null)).filter(p => p != null).asJava)
+    if(result.getCollectedfrom.isEmpty)
+      return null
 
 
     result.setPid(d.getPid)
@@ -280,7 +361,7 @@ object DLIToOAF {
     if (dataset)
       i.setInstancetype(createQualifier("0021", "Dataset", "dnet:publication_resource", "dnet:publication_resource"))
     else
-      i.setInstancetype(createQualifier("0000", "UNKNOWN", "dnet:publication_resource", "dnet:publication_resource"))
+      i.setInstancetype(createQualifier("0000", "Unknown", "dnet:publication_resource", "dnet:publication_resource"))
     if (originalInstance != null && originalInstance.getHostedby != null)
       i.setHostedby(originalInstance.getHostedby)
 

dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/SparkExportContentForOpenAire.scala

@@ -4,10 +4,16 @@ import eu.dnetlib.dhp.application.ArgumentApplicationParser
 import eu.dnetlib.dhp.schema.oaf.{Publication, Relation, Dataset => OafDataset}
 import eu.dnetlib.dhp.schema.scholexplorer.{DLIDataset, DLIPublication, DLIRelation}
 import org.apache.commons.io.IOUtils
+import org.apache.hadoop.io.Text
+import org.apache.hadoop.io.compress.GzipCodec
+import org.apache.hadoop.mapred.SequenceFileOutputFormat
 import org.apache.spark.rdd.RDD
 import org.apache.spark.sql.{Dataset, Encoder, Encoders, SaveMode, SparkSession}
+import org.apache.spark.sql.functions._
+import org.apache.spark.sql.expressions.Window
 import org.apache.spark.{SparkConf, SparkContext}
 import org.codehaus.jackson.map.ObjectMapper
+
 import scala.collection.mutable.ArrayBuffer
 
 
@@ -36,57 +42,66 @@ object SparkExportContentForOpenAire {
     implicit  val dliRelEncoder: Encoder[DLIRelation] = Encoders.bean(classOf[DLIRelation])
     import spark.implicits._
 
-//
-//    val relRDD:RDD[Relation] = sc.textFile(s"$workingPath/relation_j")
-//      .map(s => new ObjectMapper().readValue(s, classOf[DLIRelation]))
-//      .filter(p => p.getDataInfo.getDeletedbyinference == false)
-//      .map(DLIToOAF.convertDLIRelation).filter(p=>p!= null)
-//    spark.createDataset(relRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS")
-//
-//    val datRDD:RDD[OafDataset] = sc.textFile(s"$workingPath/dataset")
-//      .map(s => new ObjectMapper().readValue(s, classOf[DLIDataset]))
-//      .filter(p => p.getDataInfo.getDeletedbyinference == false)
-//      .map(DLIToOAF.convertDLIDatasetTOOAF).filter(p=>p!= null)
-//    spark.createDataset(datRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/datasetDS")
-//
-//
-//    val pubRDD:RDD[Publication] = sc.textFile(s"$workingPath/publication")
-//      .map(s => new ObjectMapper().readValue(s, classOf[DLIPublication]))
-//      .filter(p => p.getDataInfo.getDeletedbyinference == false)
-//      .map(DLIToOAF.convertDLIPublicationToOAF).filter(p=>p!= null)
-//    spark.createDataset(pubRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/publicationDS")
-//
-//
-//
-//    val pubs:Dataset[Publication] = spark.read.load(s"$workingPath/publicationDS").as[Publication]
-//    val dats :Dataset[OafDataset] = spark.read.load(s"$workingPath/datasetDS").as[OafDataset]
-    var relDS :Dataset[Relation] = spark.read.load(s"$workingPath/relationDS").as[Relation]
-//
-//
-//    pubs.joinWith(relDS, pubs("id").equalTo(relDS("source"))).map(k => k._2).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS_f1")
-//
-//    relDS= spark.read.load(s"$workingPath/relationDS_f1").as[Relation]
-//
-//    relDS.joinWith(dats, relDS("target").equalTo(dats("id"))).map(k => k._1).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS_filtered")
-//
-//
-//    val r_source = relDS.select(relDS("source")).distinct()
-//    val r_target = relDS.select(relDS("source")).distinct()
-//
-//
-//    pubs.joinWith(r_source, pubs("id").equalTo(r_source("source")), "inner").map(k => k._1).write.mode(SaveMode.Overwrite).save(s"$workingPath/publicationDS_filtered")
-//
-//    dats.joinWith(r_target, dats("id").equalTo(r_target("target")), "inner").map(k => k._1).write.mode(SaveMode.Overwrite).save(s"$workingPath/datasetDS_filtered")
-//
-//    spark.createDataset(sc.textFile(s"$workingPath/dataset")
-//      .map(s => new ObjectMapper().readValue(s, classOf[DLIDataset]))
-//      .map(DLIToOAF.convertDLIDatasetToExternalReference)
-//      .filter(p => p != null)).as[DLIExternalReference].write.mode(SaveMode.Overwrite).save(s"$workingPath/externalReference")
-//
+
+    val relRDD:RDD[Relation] = sc.textFile(s"$workingPath/relation_j")
+      .map(s => new ObjectMapper().readValue(s, classOf[DLIRelation]))
+      .filter(p => p.getDataInfo.getDeletedbyinference == false)
+      .map(DLIToOAF.convertDLIRelation).filter(p=>p!= null)
+    spark.createDataset(relRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS")
+
+    val datRDD:RDD[OafDataset] = sc.textFile(s"$workingPath/dataset")
+      .map(s => new ObjectMapper().readValue(s, classOf[DLIDataset]))
+      .filter(p => p.getDataInfo.getDeletedbyinference == false)
+      .map(DLIToOAF.convertDLIDatasetTOOAF).filter(p=>p!= null)
+    spark.createDataset(datRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/datasetDS")
+
+
+    val pubRDD:RDD[Publication] = sc.textFile(s"$workingPath/publication")
+      .map(s => new ObjectMapper().readValue(s, classOf[DLIPublication]))
+      .filter(p => p.getDataInfo.getDeletedbyinference == false)
+      .map(DLIToOAF.convertDLIPublicationToOAF).filter(p=>p!= null)
+    spark.createDataset(pubRDD).write.mode(SaveMode.Overwrite).save(s"$workingPath/publicationDS")
+
+
+
+    val pubs:Dataset[Publication] = spark.read.load(s"$workingPath/publicationDS").as[Publication]
+    val dats :Dataset[OafDataset] = spark.read.load(s"$workingPath/datasetDS").as[OafDataset]
+    val relDS1 :Dataset[Relation] = spark.read.load(s"$workingPath/relationDS").as[Relation]
+
+
+    val pub_id = pubs.select("id").distinct()
+    val dat_id = dats.select("id").distinct()
+
+
+    pub_id.joinWith(relDS1, pub_id("id").equalTo(relDS1("source"))).map(k => k._2).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS_f1")
+
+    val relDS2= spark.read.load(s"$workingPath/relationDS_f1").as[Relation]
+
+    relDS2.joinWith(dat_id, relDS2("target").equalTo(dats("id"))).map(k => k._1).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationDS_filtered")
+
+
+    val r_source = relDS2.select(relDS2("source")).distinct()
+    val r_target = relDS2.select(relDS2("target")).distinct()
+
+
+    val w2 = Window.partitionBy("id").orderBy("lastupdatetimestamp")
+
+    pubs.joinWith(r_source, pubs("id").equalTo(r_source("source")), "inner").map(k => k._1)
+      .withColumn("row",row_number.over(w2)).where($"row" === 1).drop("row")
+      .write.mode(SaveMode.Overwrite).save(s"$workingPath/publicationDS_filtered")
+
+    dats.joinWith(r_target, dats("id").equalTo(r_target("target")), "inner").map(k => k._1)
+      .withColumn("row",row_number.over(w2)).where($"row" === 1).drop("row")
+      .write.mode(SaveMode.Overwrite).save(s"$workingPath/datasetAS")
+
+    spark.createDataset(sc.textFile(s"$workingPath/dataset")
+      .map(s => new ObjectMapper().readValue(s, classOf[DLIDataset]))
+      .map(DLIToOAF.convertDLIDatasetToExternalReference)
+      .filter(p => p != null)).as[DLIExternalReference].write.mode(SaveMode.Overwrite).save(s"$workingPath/externalReference")
 
     val pf = spark.read.load(s"$workingPath/publicationDS_filtered").select("id")
-    relDS  = spark.read.load(s"$workingPath/relationDS").as[Relation]
-    val relationTo = pf.joinWith(relDS, pf("id").equalTo(relDS("source")),"inner").map(t =>t._2)
+    val relDS3  = spark.read.load(s"$workingPath/relationDS").as[Relation]
+    val relationTo = pf.joinWith(relDS3, pf("id").equalTo(relDS3("source")),"inner").map(t =>t._2)
 
     val extRef =  spark.read.load(s"$workingPath/externalReference").as[DLIExternalReference]
 
@@ -100,19 +115,70 @@ object SparkExportContentForOpenAire {
       (f._1, dli_ext)
     })).write.mode(SaveMode.Overwrite).save(s"$workingPath/externalReference_grouped")
 
+    val pubf :Dataset[Publication] = spark.read.load(s"$workingPath/publicationDS_filtered").as[Publication]
+
+    val groupedERf:Dataset[(String, List[DLIExternalReference])]= spark.read.load(s"$workingPath/externalReference_grouped").as[(String, List[DLIExternalReference])]
+
+    groupedERf.joinWith(pubf,pubf("id").equalTo(groupedERf("_1"))).map(t =>
+      {
+        val publication = t._2
+        if (t._1 != null) {
+          val eRefs = t._1._2
+          DLIToOAF.insertExternalRefs(publication, eRefs)
+
+        } else
+          publication
+      }
+    ).write.mode(SaveMode.Overwrite).save(s"$workingPath/publicationAS")
 
 
+    spark.createDataset(sc.textFile(s"$workingPath/dataset")
+      .map(s => new ObjectMapper().readValue(s, classOf[DLIDataset]))
+      .map(DLIToOAF.convertClinicalTrial)
+      .filter(p => p != null))
+      .write.mode(SaveMode.Overwrite).save(s"$workingPath/clinicalTrials")
+
+    val ct:Dataset[(String,String)] = spark.read.load(s"$workingPath/clinicalTrials").as[(String,String)]
+
+    val relDS= spark.read.load(s"$workingPath/relationDS_f1").as[Relation]
+
+    relDS.joinWith(ct, relDS("target").equalTo(ct("_1")), "inner")
+      .map(k =>{
+        val currentRel = k._1
+        currentRel.setTarget(k._2._2)
+        currentRel
+      }).write.mode(SaveMode.Overwrite).save(s"$workingPath/clinicalTrialsRels")
 
 
+    val clRels:Dataset[Relation] = spark.read.load(s"$workingPath/clinicalTrialsRels").as[Relation]
+    val rels:Dataset[Relation] = spark.read.load(s"$workingPath/relationDS_filtered").as[Relation]
+
+    rels.union(clRels).flatMap(r => {
+      val inverseRel = new Relation
+      inverseRel.setSource(r.getTarget)
+      inverseRel.setTarget(r.getSource)
+      inverseRel.setDataInfo(r.getDataInfo)
+      inverseRel.setCollectedfrom(r.getCollectedfrom)
+      inverseRel.setRelType(r.getRelType)
+      inverseRel.setSubRelType(r.getSubRelType)
+      inverseRel.setRelClass(DLIToOAF.rel_inverse(r.getRelClass))
+      List(r, inverseRel)
+    }).write.mode(SaveMode.Overwrite).save(s"$workingPath/relationAS")
 
 
+    val fRels:Dataset[(String,String)] = spark.read.load(s"$workingPath/relationAS").as[Relation].map(DLIToOAF.toActionSet)
+    val fpubs:Dataset[(String,String)] = spark.read.load(s"$workingPath/publicationAS").as[Publication].map(DLIToOAF.toActionSet)
+    val fdats:Dataset[(String,String)] = spark.read.load(s"$workingPath/datasetAS").as[OafDataset].map(DLIToOAF.toActionSet)
 
 
-
-
-
-
-
+    fRels.union(fpubs).union(fdats).rdd.map(s => (new Text(s._1), new Text(s._2))).saveAsHadoopFile(s"$workingPath/rawset", classOf[Text], classOf[Text], classOf[SequenceFileOutputFormat[Text,Text]], classOf[GzipCodec])
   }
 
+
+
+
+
+
+
+
 }

dhp-workflows/dhp-graph-provision/pom.xml

@@ -3,7 +3,7 @@
     <parent>
         <artifactId>dhp-workflows</artifactId>
         <groupId>eu.dnetlib.dhp</groupId>
-        <version>1.2.3-SNAPSHOT</version>
+        <version>1.2.4-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/CreateRelatedEntitiesJob_phase1.java

@@ -25,9 +25,7 @@ import eu.dnetlib.dhp.common.HdfsSupport;
 import eu.dnetlib.dhp.oa.provision.model.ProvisionModelSupport;
 import eu.dnetlib.dhp.oa.provision.model.RelatedEntity;
 import eu.dnetlib.dhp.oa.provision.model.RelatedEntityWrapper;
-import eu.dnetlib.dhp.oa.provision.model.SortableRelation;
 import eu.dnetlib.dhp.schema.common.EntityType;
-import eu.dnetlib.dhp.schema.common.ModelSupport;
 import eu.dnetlib.dhp.schema.oaf.*;
 import scala.Tuple2;
 
@@ -109,11 +107,12 @@ public class CreateRelatedEntitiesJob_phase1 {
 		Class<E> clazz,
 		String outputPath) {
 
-		Dataset<Tuple2<String, SortableRelation>> relsByTarget = readPathRelation(spark, inputRelationsPath)
+		Dataset<Tuple2<String, Relation>> relsByTarget = readPathRelation(spark, inputRelationsPath)
 			.filter("dataInfo.deletedbyinference == false")
 			.map(
-				(MapFunction<SortableRelation, Tuple2<String, SortableRelation>>) r -> new Tuple2<>(r.getTarget(), r),
-				Encoders.tuple(Encoders.STRING(), Encoders.kryo(SortableRelation.class)))
+				(MapFunction<Relation, Tuple2<String, Relation>>) r -> new Tuple2<>(r.getTarget(),
+					r),
+				Encoders.tuple(Encoders.STRING(), Encoders.kryo(Relation.class)))
 			.cache();
 
 		Dataset<Tuple2<String, RelatedEntity>> entities = readPathEntity(spark, inputEntityPath, clazz)
@@ -129,7 +128,7 @@ public class CreateRelatedEntitiesJob_phase1 {
 		relsByTarget
 			.joinWith(entities, entities.col("_1").equalTo(relsByTarget.col("_1")), "inner")
 			.map(
-				(MapFunction<Tuple2<Tuple2<String, SortableRelation>, Tuple2<String, RelatedEntity>>, RelatedEntityWrapper>) t -> new RelatedEntityWrapper(
+				(MapFunction<Tuple2<Tuple2<String, Relation>, Tuple2<String, RelatedEntity>>, RelatedEntityWrapper>) t -> new RelatedEntityWrapper(
 					t._1()._2(), t._2()._2()),
 				Encoders.kryo(RelatedEntityWrapper.class))
 			.write()
@@ -232,11 +231,11 @@ public class CreateRelatedEntitiesJob_phase1 {
 	 * @param relationPath
 	 * @return the Dataset<SortableRelation> containing all the relationships
 	 */
-	private static Dataset<SortableRelation> readPathRelation(
+	private static Dataset<Relation> readPathRelation(
 		SparkSession spark, final String relationPath) {
 
 		log.info("Reading relations from: {}", relationPath);
-		return spark.read().load(relationPath).as(Encoders.bean(SortableRelation.class));
+		return spark.read().load(relationPath).as(Encoders.bean(Relation.class));
 	}
 
 	private static void removeOutputDir(SparkSession spark, String path) {

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/PrepareRelationsJob.java

@@ -3,35 +3,31 @@ package eu.dnetlib.dhp.oa.provision;
 
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
 
-import java.util.*;
-import java.util.function.Function;
+import java.util.HashSet;
+import java.util.Optional;
+import java.util.Set;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.JavaRDD;
 import org.apache.spark.api.java.JavaSparkContext;
-import org.apache.spark.api.java.function.*;
 import org.apache.spark.rdd.RDD;
-import org.apache.spark.sql.Dataset;
 import org.apache.spark.sql.Encoders;
 import org.apache.spark.sql.SaveMode;
 import org.apache.spark.sql.SparkSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.clearspring.analytics.util.Lists;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.base.Splitter;
 import com.google.common.collect.Iterables;
-import com.google.common.collect.Iterators;
 import com.google.common.collect.Sets;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.common.FunctionalInterfaceSupport;
 import eu.dnetlib.dhp.common.HdfsSupport;
-import eu.dnetlib.dhp.oa.provision.model.SortableRelation;
+import eu.dnetlib.dhp.oa.provision.model.SortableRelationKey;
 import eu.dnetlib.dhp.oa.provision.utils.RelationPartitioner;
-import scala.Function1;
+import eu.dnetlib.dhp.schema.oaf.Relation;
 import scala.Tuple2;
 
 /**
@@ -133,22 +129,35 @@ public class PrepareRelationsJob {
 		SparkSession spark, String inputRelationsPath, String outputPath, Set<String> relationFilter, int maxRelations,
 		int relPartitions) {
 
-		RDD<SortableRelation> cappedRels = readPathRelationRDD(spark, inputRelationsPath)
-			.repartition(relPartitions)
-			.filter(rel -> !rel.getDataInfo().getDeletedbyinference())
-			.filter(rel -> !relationFilter.contains(rel.getRelClass()))
-			// group by SOURCE and apply limit
-			.mapToPair(rel -> new Tuple2<>(rel.getSource(), rel))
-			.groupByKey(new RelationPartitioner(relPartitions))
-			.flatMap(group -> Iterables.limit(group._2(), maxRelations).iterator())
-			// group by TARGET and apply limit
-			.mapToPair(rel -> new Tuple2<>(rel.getTarget(), rel))
-			.groupByKey(new RelationPartitioner(relPartitions))
-			.flatMap(group -> Iterables.limit(group._2(), maxRelations).iterator())
+		// group by SOURCE and apply limit
+		RDD<Relation> bySource = readPathRelationRDD(spark, inputRelationsPath)
+			.filter(rel -> rel.getDataInfo().getDeletedbyinference() == false)
+			.filter(rel -> relationFilter.contains(rel.getRelClass()) == false)
+			.mapToPair(r -> new Tuple2<>(SortableRelationKey.create(r, r.getSource()), r))
+			.repartitionAndSortWithinPartitions(new RelationPartitioner(relPartitions))
+			.groupBy(Tuple2::_1)
+			.map(Tuple2::_2)
+			.map(t -> Iterables.limit(t, maxRelations))
+			.flatMap(Iterable::iterator)
+			.map(Tuple2::_2)
+			.rdd();
+
+		// group by TARGET and apply limit
+		RDD<Relation> byTarget = readPathRelationRDD(spark, inputRelationsPath)
+			.filter(rel -> rel.getDataInfo().getDeletedbyinference() == false)
+			.filter(rel -> relationFilter.contains(rel.getRelClass()) == false)
+			.mapToPair(r -> new Tuple2<>(SortableRelationKey.create(r, r.getTarget()), r))
+			.repartitionAndSortWithinPartitions(new RelationPartitioner(relPartitions))
+			.groupBy(Tuple2::_1)
+			.map(Tuple2::_2)
+			.map(t -> Iterables.limit(t, maxRelations))
+			.flatMap(Iterable::iterator)
+			.map(Tuple2::_2)
 			.rdd();
 
 		spark
-			.createDataset(cappedRels, Encoders.bean(SortableRelation.class))
+			.createDataset(bySource.union(byTarget), Encoders.bean(Relation.class))
+			.repartition(relPartitions)
 			.write()
 			.mode(SaveMode.Overwrite)
 			.parquet(outputPath);
@@ -162,10 +171,10 @@ public class PrepareRelationsJob {
 	 * @param inputPath
 	 * @return the JavaRDD<SortableRelation> containing all the relationships
 	 */
-	private static JavaRDD<SortableRelation> readPathRelationRDD(
+	private static JavaRDD<Relation> readPathRelationRDD(
 		SparkSession spark, final String inputPath) {
 		JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
-		return sc.textFile(inputPath).map(s -> OBJECT_MAPPER.readValue(s, SortableRelation.class));
+		return sc.textFile(inputPath).map(s -> OBJECT_MAPPER.readValue(s, Relation.class));
 	}
 
 	private static void removeOutputDir(SparkSession spark, String path) {

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/model/ProvisionModelSupport.java

@@ -19,7 +19,7 @@ public class ProvisionModelSupport {
 						RelatedEntityWrapper.class,
 						JoinedEntity.class,
 						RelatedEntity.class,
-						SortableRelation.class));
+						SortableRelationKey.class));
 		return modelClasses.toArray(new Class[] {});
 	}
 }

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/model/RelatedEntityWrapper.java

@@ -5,28 +5,30 @@ import java.io.Serializable;
 
 import com.google.common.base.Objects;
 
+import eu.dnetlib.dhp.schema.oaf.Relation;
+
 public class RelatedEntityWrapper implements Serializable {
 
-	private SortableRelation relation;
+	private Relation relation;
 	private RelatedEntity target;
 
 	public RelatedEntityWrapper() {
 	}
 
-	public RelatedEntityWrapper(SortableRelation relation, RelatedEntity target) {
+	public RelatedEntityWrapper(Relation relation, RelatedEntity target) {
 		this(null, relation, target);
 	}
 
-	public RelatedEntityWrapper(TypedRow entity, SortableRelation relation, RelatedEntity target) {
+	public RelatedEntityWrapper(TypedRow entity, Relation relation, RelatedEntity target) {
 		this.relation = relation;
 		this.target = target;
 	}
 
-	public SortableRelation getRelation() {
+	public Relation getRelation() {
 		return relation;
 	}
 
-	public void setRelation(SortableRelation relation) {
+	public void setRelation(Relation relation) {
 		this.relation = relation;
 	}
 

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/model/SortableRelation.java

@@ -1,38 +0,0 @@
-
-package eu.dnetlib.dhp.oa.provision.model;
-
-import java.io.Serializable;
-import java.util.Map;
-
-import com.google.common.collect.ComparisonChain;
-import com.google.common.collect.Maps;
-
-import eu.dnetlib.dhp.schema.oaf.Relation;
-
-public class SortableRelation extends Relation implements Comparable<Relation>, Serializable {
-
-	private static final Map<String, Integer> weights = Maps.newHashMap();
-
-	static {
-		weights.put("outcome", 0);
-		weights.put("supplement", 1);
-		weights.put("affiliation", 2);
-		weights.put("relationship", 3);
-		weights.put("publicationDataset", 4);
-		weights.put("similarity", 5);
-
-		weights.put("provision", 6);
-		weights.put("participation", 7);
-		weights.put("dedup", 8);
-	}
-
-	@Override
-	public int compareTo(Relation o) {
-		return ComparisonChain
-			.start()
-			.compare(weights.get(getSubRelType()), weights.get(o.getSubRelType()))
-			.compare(getSource(), o.getSource())
-			.compare(getTarget(), o.getTarget())
-			.result();
-	}
-}

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/model/SortableRelationKey.java

@@ -0,0 +1,90 @@
+
+package eu.dnetlib.dhp.oa.provision.model;
+
+import java.io.Serializable;
+import java.util.Map;
+import java.util.Optional;
+
+import com.google.common.base.Objects;
+import com.google.common.collect.ComparisonChain;
+import com.google.common.collect.Maps;
+
+import eu.dnetlib.dhp.schema.oaf.Relation;
+
+public class SortableRelationKey implements Comparable<SortableRelationKey>, Serializable {
+
+	private static final Map<String, Integer> weights = Maps.newHashMap();
+
+	static {
+		weights.put("outcome", 0);
+		weights.put("supplement", 1);
+		weights.put("review", 2);
+		weights.put("citation", 3);
+		weights.put("affiliation", 4);
+		weights.put("relationship", 5);
+		weights.put("publicationDataset", 6);
+		weights.put("similarity", 7);
+
+		weights.put("provision", 8);
+		weights.put("participation", 9);
+		weights.put("dedup", 10);
+	}
+
+	private static final long serialVersionUID = 3232323;
+
+	private String groupingKey;
+
+	private String subRelType;
+
+	public static SortableRelationKey create(Relation r, String groupingKey) {
+		SortableRelationKey sr = new SortableRelationKey();
+		sr.setGroupingKey(groupingKey);
+		sr.setSubRelType(r.getSubRelType());
+		return sr;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o)
+			return true;
+		if (o == null || getClass() != o.getClass())
+			return false;
+		SortableRelationKey that = (SortableRelationKey) o;
+		return getGroupingKey().equals(that.getGroupingKey());
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hashCode(getGroupingKey());
+	}
+
+	@Override
+	public int compareTo(SortableRelationKey o) {
+		return ComparisonChain
+			.start()
+			.compare(getGroupingKey(), o.getGroupingKey())
+			.compare(getWeight(this), getWeight(o))
+			.result();
+	}
+
+	private Integer getWeight(SortableRelationKey o) {
+		return Optional.ofNullable(weights.get(o.getSubRelType())).orElse(Integer.MAX_VALUE);
+	}
+
+	public String getSubRelType() {
+		return subRelType;
+	}
+
+	public void setSubRelType(String subRelType) {
+		this.subRelType = subRelType;
+	}
+
+	public String getGroupingKey() {
+		return groupingKey;
+	}
+
+	public void setGroupingKey(String groupingKey) {
+		this.groupingKey = groupingKey;
+	}
+
+}