diff --git a/dhp-workflows/dhp-broker-events/pom.xml b/dhp-workflows/dhp-broker-events/pom.xml
index cd3257991..f943ac93a 100644
--- a/dhp-workflows/dhp-broker-events/pom.xml
+++ b/dhp-workflows/dhp-broker-events/pom.xml
@@ -53,7 +53,7 @@
 		<dependency>
 			<groupId>eu.dnetlib</groupId>
 			<artifactId>dnet-openaire-broker-common</artifactId>
-			<version>[3.0.1,4.0.0)</version>
+			<version>[3.0.2,4.0.0)</version>
 		</dependency>
 
 	</dependencies>
diff --git a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsApplication.java b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsApplication.java
index 3357710f0..ae313813d 100644
--- a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsApplication.java
+++ b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/GenerateEventsApplication.java
@@ -30,11 +30,9 @@ 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;
@@ -85,7 +83,9 @@ public class GenerateEventsApplication {
 			removeOutputDir(spark, eventsPath);
 
 			// TODO REMOVE THIS
-			expandResultsWithRelations(spark, graphPath, Publication.class)
+			readPath(spark, graphPath + "/publication", Publication.class)
+				.filter(r -> r.getDataInfo().getDeletedbyinference())
+				.map(ConversionUtils::oafResultToBrokerResult, Encoders.bean(OpenaireBrokerResult.class))
 				.write()
 				.mode(SaveMode.Overwrite)
 				.json(eventsPath);
@@ -141,15 +141,15 @@ public class GenerateEventsApplication {
 		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<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<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)
@@ -185,7 +185,6 @@ public class GenerateEventsApplication {
 
 		final TypedColumn<Tuple2<OpenaireBrokerResult, T>, OpenaireBrokerResult> aggr = new OpenaireBrokerResultAggregator<T>()
 			.toColumn();
-		;
 
 		return sources
 			.joinWith(typedRels, sources.col("openaireId").equalTo(rels.col("source")), "left_outer")
diff --git a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ConversionUtils.java b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ConversionUtils.java
index d04ef45a0..d8f9dffbe 100644
--- a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ConversionUtils.java
+++ b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/ConversionUtils.java
@@ -3,6 +3,7 @@ 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;
@@ -13,6 +14,8 @@ import org.dom4j.DocumentHelper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.common.base.Function;
+
 import eu.dnetlib.broker.objects.OpenaireBrokerResult;
 import eu.dnetlib.broker.objects.TypedValue;
 import eu.dnetlib.dhp.schema.oaf.Author;
@@ -24,6 +27,7 @@ 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;
@@ -33,133 +37,186 @@ 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());
+		if (i == null) {
+			return new ArrayList<>();
+		}
+
+		return mappedList(i.getUrl(), url -> {
+			final eu.dnetlib.broker.objects.Instance res = new eu.dnetlib.broker.objects.Instance();
+			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;
+		return oafStructPropToBrokerTypedValue(sp);
+	}
+
+	public static TypedValue oafStructPropToBrokerTypedValue(final StructuredProperty sp) {
+		return sp != null ? new TypedValue(classId(sp.getQualifier()), sp.getValue()) : null;
 	}
 
 	public static final Pair<String, String> oafSubjectToPair(final StructuredProperty sp) {
-		return sp != null ? Pair.of(sp.getQualifier().getClassid(), sp.getValue()) : null;
+		return sp != null ? Pair.of(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;
+		if (d == null) {
+			return null;
+		}
+
+		final eu.dnetlib.broker.objects.Dataset res = new eu.dnetlib.broker.objects.Dataset();
+		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;
+		if (p == null) {
+			return null;
+		}
+
+		final eu.dnetlib.broker.objects.Publication res = new eu.dnetlib.broker.objects.Publication();
+		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 OpenaireBrokerResult oafResultToBrokerResult(final Result result) {
+		if (result == null) {
+			return null;
+		}
 
-		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()))
+		final OpenaireBrokerResult res = new OpenaireBrokerResult();
+
+		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)
-			.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;
+				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 List<TypedValue> structPropTypedList(final List<StructuredProperty> list) {
+		if (list == null) {
+			return new ArrayList<>();
+		}
+
 		return list
 			.stream()
-			.map(
-				p -> new TypedValue()
-					.setValue(p.getValue())
-					.setType(p.getQualifier().getClassid()))
+			.map(ConversionUtils::oafStructPropToBrokerTypedValue)
 			.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);
+	}
+
 	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;
+		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 eu.dnetlib.broker.objects.Author(author.getFullname(), pids);
 	}
 
 	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;
+		if (journal == null) {
+			return null;
+		}
+
+		final eu.dnetlib.broker.objects.Journal res = new eu.dnetlib.broker.objects.Journal();
+		res.setName(journal.getName());
+		res.setIssn(journal.getIssnPrinted());
+		res.setEissn(journal.getIssnOnline());
+		res.setLissn(journal.getIssnLinking());
+
+		return res;
 	}
 
 	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;
+		if (ref == null) {
+			return null;
+		}
+
+		final eu.dnetlib.broker.objects.ExternalReference res = new eu.dnetlib.broker.objects.ExternalReference();
+		res.setRefidentifier(ref.getRefidentifier());
+		res.setSitename(ref.getSitename());
+		res.setType(classId(ref.getQualifier()));
+		res.setUrl(ref.getUrl());
+		return res;
 	}
 
 	public static final eu.dnetlib.broker.objects.Project oafProjectToBrokerProject(final Project p) {
@@ -167,10 +224,10 @@ public class ConversionUtils {
 			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 eu.dnetlib.broker.objects.Project res = new eu.dnetlib.broker.objects.Project();
+		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)) {
@@ -188,12 +245,25 @@ public class ConversionUtils {
 	}
 
 	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;
+		if (sw == null) {
+			return null;
+		}
+
+		final eu.dnetlib.broker.objects.Software res = new eu.dnetlib.broker.objects.Software();
+		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 +275,10 @@ 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)
diff --git a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/UpdateInfo.java b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/UpdateInfo.java
index fca9cf89e..2c4bda53d 100644
--- a/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/UpdateInfo.java
+++ b/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/util/UpdateInfo.java
@@ -122,13 +122,15 @@ public final class UpdateInfo<T> {
 			.orElse(null);
 		;
 
-		final Provenance provenance = new Provenance().setId(provId).setRepositoryName(provRepo).setUrl(provUrl);
+		final Provenance provenance = new Provenance(provId, provRepo, provUrl);
 
-		return new OpenAireEventPayload()
-			.setPublication(target)
-			.setHighlight(hl)
-			.setTrust(trust)
-			.setProvenance(provenance);
+		final OpenAireEventPayload res = new OpenAireEventPayload();
+		res.setResult(target);
+		res.setHighlight(hl);
+		res.setTrust(trust);
+		res.setProvenance(provenance);
+
+		return res;
 	}
 
 }