[OCNEW] first implementation

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/opencitations/CreateActionSetSparkJob.java

@@ -28,6 +28,7 @@ import eu.dnetlib.dhp.actionmanager.opencitations.model.COCI;
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import eu.dnetlib.dhp.schema.action.AtomicAction;
 import eu.dnetlib.dhp.schema.common.ModelConstants;
+import eu.dnetlib.dhp.schema.common.ModelSupport;
 import eu.dnetlib.dhp.schema.oaf.*;
 import eu.dnetlib.dhp.schema.oaf.utils.*;
 import eu.dnetlib.dhp.utils.DHPUtils;
@@ -37,12 +38,6 @@ public class CreateActionSetSparkJob implements Serializable {
 	public static final String OPENCITATIONS_CLASSID = "sysimport:crosswalk:opencitations";
 	public static final String OPENCITATIONS_CLASSNAME = "Imported from OpenCitations";
 
-	// DOI-to-DOI citations
-	public static final String COCI = "COCI";
-
-	// PMID-to-PMID citations
-	public static final String POCI = "POCI";
-
 	private static final String DOI_PREFIX = "50|doi_________::";
 
 	private static final String PMID_PREFIX = "50|pmid________::";
@@ -95,22 +90,21 @@ public class CreateActionSetSparkJob implements Serializable {
 	private static void extractContent(SparkSession spark, String inputPath, String outputPath,
 		boolean shouldDuplicateRels) {
 
-		getTextTextJavaPairRDD(spark, inputPath, shouldDuplicateRels, COCI)
-			.union(getTextTextJavaPairRDD(spark, inputPath, shouldDuplicateRels, POCI))
+		getTextTextJavaPairRDD(spark, inputPath)
+			// .union(getTextTextJavaPairRDD(spark, inputPath, shouldDuplicateRels, POCI))
 			.saveAsHadoopFile(outputPath, Text.class, Text.class, SequenceFileOutputFormat.class, GzipCodec.class);
 	}
 
-	private static JavaPairRDD<Text, Text> getTextTextJavaPairRDD(SparkSession spark, String inputPath,
-		boolean shouldDuplicateRels, String prefix) {
+	private static JavaPairRDD<Text, Text> getTextTextJavaPairRDD(SparkSession spark, String inputPath) {
 		return spark
 			.read()
-			.textFile(inputPath + "/" + prefix + "/" + prefix + "_JSON/*")
+			.textFile(inputPath)
 			.map(
 				(MapFunction<String, COCI>) value -> OBJECT_MAPPER.readValue(value, COCI.class),
 				Encoders.bean(COCI.class))
 			.flatMap(
 				(FlatMapFunction<COCI, Relation>) value -> createRelation(
-					value, shouldDuplicateRels, prefix)
+					value)
 						.iterator(),
 				Encoders.bean(Relation.class))
 			.filter((FilterFunction<Relation>) Objects::nonNull)
@@ -121,34 +115,41 @@ public class CreateActionSetSparkJob implements Serializable {
 					new Text(OBJECT_MAPPER.writeValueAsString(aa))));
 	}
 
-	private static List<Relation> createRelation(COCI value, boolean duplicate, String p) {
+	private static List<Relation> createRelation(COCI value) {
 
 		List<Relation> relationList = new ArrayList<>();
-		String prefix;
+
 		String citing;
 		String cited;
 
-		switch (p) {
-			case COCI:
-				prefix = DOI_PREFIX;
-				citing = prefix
+		switch (value.getCiting_pid()) {
+			case "doi":
+				citing = DOI_PREFIX
 					+ IdentifierFactory
 						.md5(PidCleaner.normalizePidValue(PidType.doi.toString(), value.getCiting()));
-				cited = prefix
-					+ IdentifierFactory
-						.md5(PidCleaner.normalizePidValue(PidType.doi.toString(), value.getCited()));
 				break;
-			case POCI:
-				prefix = PMID_PREFIX;
-				citing = prefix
+			case "pmid":
+				citing = PMID_PREFIX
 					+ IdentifierFactory
-						.md5(PidCleaner.normalizePidValue(PidType.pmid.toString(), value.getCiting()));
-				cited = prefix
-					+ IdentifierFactory
-						.md5(PidCleaner.normalizePidValue(PidType.pmid.toString(), value.getCited()));
+						.md5(PidCleaner.normalizePidValue(PidType.doi.toString(), value.getCiting()));
 				break;
 			default:
-				throw new IllegalStateException("Invalid prefix: " + p);
+				throw new IllegalStateException("Invalid prefix: " + value.getCiting_pid());
+		}
+
+		switch (value.getCited_pid()) {
+			case "doi":
+				cited = DOI_PREFIX
+					+ IdentifierFactory
+						.md5(PidCleaner.normalizePidValue(PidType.doi.toString(), value.getCiting()));
+				break;
+			case "pmid":
+				cited = PMID_PREFIX
+					+ IdentifierFactory
+						.md5(PidCleaner.normalizePidValue(PidType.doi.toString(), value.getCiting()));
+				break;
+			default:
+				throw new IllegalStateException("Invalid prefix: " + value.getCited_pid());
 		}
 
 		if (!citing.equals(cited)) {
@@ -157,15 +158,6 @@ public class CreateActionSetSparkJob implements Serializable {
 					getRelation(
 						citing,
 						cited, ModelConstants.CITES));
-
-			if (duplicate && value.getCiting().endsWith(".refs")) {
-				citing = prefix + IdentifierFactory
-					.md5(
-						CleaningFunctions
-							.normalizePidValue(
-								"doi", value.getCiting().substring(0, value.getCiting().indexOf(".refs"))));
-				relationList.add(getRelation(citing, cited, ModelConstants.CITES));
-			}
 		}
 
 		return relationList;

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/opencitations/GetOpenCitationsRefs.java

@@ -12,10 +12,7 @@ import java.util.zip.ZipInputStream;
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FSDataInputStream;
-import org.apache.hadoop.fs.FSDataOutputStream;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -37,17 +34,17 @@ public class GetOpenCitationsRefs implements Serializable {
 
 		parser.parseArgument(args);
 
-		final String[] inputFile = parser.get("inputFile").split(";");
-		log.info("inputFile {}", Arrays.asList(inputFile));
+//		final String[] inputFile = parser.get("inputFile").split(";");
+//		log.info("inputFile {}", Arrays.asList(inputFile));
 
-		final String workingPath = parser.get("workingPath");
-		log.info("workingPath {}", workingPath);
+		final String inputPath = parser.get("inputPath");
+		log.info("inputPath {}", inputPath);
 
 		final String hdfsNameNode = parser.get("hdfsNameNode");
 		log.info("hdfsNameNode {}", hdfsNameNode);
 
-		final String prefix = parser.get("prefix");
-		log.info("prefix {}", prefix);
+		final String outputPath = parser.get("outputPath");
+		log.info("outputPath {}", outputPath);
 
 		Configuration conf = new Configuration();
 		conf.set("fs.defaultFS", hdfsNameNode);
@@ -56,41 +53,42 @@ public class GetOpenCitationsRefs implements Serializable {
 
 		GetOpenCitationsRefs ocr = new GetOpenCitationsRefs();
 
-		for (String file : inputFile) {
-			ocr.doExtract(workingPath + "/Original/" + file, workingPath, fileSystem, prefix);
-		}
+		ocr.doExtract(inputPath, outputPath, fileSystem);
 
 	}
 
-	private void doExtract(String inputFile, String workingPath, FileSystem fileSystem, String prefix)
+	private void doExtract(String inputPath, String outputPath, FileSystem fileSystem)
 		throws IOException {
 
-		final Path path = new Path(inputFile);
+		RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
+			.listFiles(
+				new Path(inputPath), true);
+		while (fileStatusListIterator.hasNext()) {
+			LocatedFileStatus fileStatus = fileStatusListIterator.next();
+			// do stuff with the file like ...
+			FSDataInputStream oc_zip = fileSystem.open(fileStatus.getPath());
+			try (ZipInputStream zis = new ZipInputStream(oc_zip)) {
+				ZipEntry entry = null;
+				while ((entry = zis.getNextEntry()) != null) {
 
-		FSDataInputStream oc_zip = fileSystem.open(path);
+					if (!entry.isDirectory()) {
+						String fileName = entry.getName();
+						// fileName = fileName.substring(0, fileName.indexOf("T")) + "_" + count;
+						fileName = fileName.substring(0, fileName.lastIndexOf("."));
+						// count++;
+						try (
+							FSDataOutputStream out = fileSystem
+								.create(new Path(outputPath + "/" + fileName + ".gz"));
+							GZIPOutputStream gzipOs = new GZIPOutputStream(new BufferedOutputStream(out))) {
 
-		// int count = 1;
-		try (ZipInputStream zis = new ZipInputStream(oc_zip)) {
-			ZipEntry entry = null;
-			while ((entry = zis.getNextEntry()) != null) {
-
-				if (!entry.isDirectory()) {
-					String fileName = entry.getName();
-					// fileName = fileName.substring(0, fileName.indexOf("T")) + "_" + count;
-					fileName = fileName.substring(0, fileName.lastIndexOf("."));
-					// count++;
-					try (
-						FSDataOutputStream out = fileSystem
-							.create(new Path(workingPath + "/" + prefix + "/" + fileName + ".gz"));
-						GZIPOutputStream gzipOs = new GZIPOutputStream(new BufferedOutputStream(out))) {
-
-						IOUtils.copy(zis, gzipOs);
+							IOUtils.copy(zis, gzipOs);
 
+						}
 					}
+
 				}
 
 			}
-
 		}
 
 	}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/opencitations/MapOCIdsInPids.java

@@ -0,0 +1,123 @@
+
+package eu.dnetlib.dhp.actionmanager.opencitations;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.io.IOUtils;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.function.FlatMapFunction;
+import org.apache.spark.api.java.function.MapFunction;
+import org.apache.spark.sql.*;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.actionmanager.opencitations.model.COCI;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import scala.Tuple2;
+
+/**
+ * @author miriam.baglioni
+ * @Date 29/02/24
+ */
+public class MapOCIdsInPids implements Serializable {
+
+	private static final Logger log = LoggerFactory.getLogger(CreateActionSetSparkJob.class);
+	private static final String DELIMITER = ",";
+
+	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+	public static void main(final String[] args) throws IOException, ParseException {
+
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					Objects
+						.requireNonNull(
+							MapOCIdsInPids.class
+								.getResourceAsStream(
+									"/eu/dnetlib/dhp/actionmanager/opencitations/remap_parameters.json"))));
+
+		parser.parseArgument(args);
+
+		Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+
+		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+
+		final String inputPath = parser.get("inputPath");
+		log.info("inputPath {}", inputPath);
+
+		final String outputPath = parser.get("outputPath");
+		log.info("outputPath {}", outputPath);
+
+		SparkConf conf = new SparkConf();
+		runWithSparkSession(
+			conf,
+			isSparkSessionManaged,
+			spark -> mapIdentifiers(spark, inputPath, outputPath));
+
+	}
+
+	private static void mapIdentifiers(SparkSession spark, String inputPath, String outputPath) {
+		Dataset<COCI> coci = spark
+			.read()
+			.textFile(inputPath + "/JSON")
+			.map(
+				(MapFunction<String, COCI>) value -> OBJECT_MAPPER.readValue(value, COCI.class),
+				Encoders.bean(COCI.class));
+
+		Dataset<Tuple2<String, String>> correspondenceData = spark
+			.read()
+			.format("csv")
+			.option("sep", DELIMITER)
+			.option("inferSchema", "true")
+			.option("header", "true")
+			.option("quotes", "\"")
+			.load(inputPath + "/correspondence/omid.zip")
+			.repartition(5000)
+			.flatMap((FlatMapFunction<Row, Tuple2<String, String>>) r -> {
+				String ocIdentifier = r.getAs("omid");
+				String[] correspondentIdentifiers = ((String) r.getAs("id")).split(" ");
+				return Arrays
+					.stream(correspondentIdentifiers)
+					.map(ci -> new Tuple2<String, String>(ocIdentifier, ci))
+					.collect(Collectors.toList())
+					.iterator();
+			}, Encoders.tuple(Encoders.STRING(), Encoders.STRING()));
+
+		Dataset<COCI> mappedCitingDataset = coci
+			.joinWith(correspondenceData, coci.col("citing").equalTo(correspondenceData.col("_1")), "left")
+			.map((MapFunction<Tuple2<COCI, Tuple2<String, String>>, COCI>) t2 -> {
+				String correspondent = t2._2()._2();
+				t2._1().setCiting_pid(correspondent.substring(0, correspondent.indexOf(":")));
+				t2._1().setCiting(correspondent.substring(correspondent.indexOf(":") + 1));
+				return t2._1();
+			}, Encoders.bean(COCI.class));
+
+		mappedCitingDataset
+			.joinWith(correspondenceData, mappedCitingDataset.col("cited").equalTo(correspondenceData.col("_1")))
+			.map((MapFunction<Tuple2<COCI, Tuple2<String, String>>, COCI>) t2 -> {
+				String correspondent = t2._2()._2();
+				t2._1().setCited_pid(correspondent.substring(0, correspondent.indexOf(":")));
+				t2._1().setCited(correspondent.substring(correspondent.indexOf(":") + 1));
+				return t2._1();
+			}, Encoders.bean(COCI.class))
+			.write()
+			.mode(SaveMode.Append)
+			.option("compression", "gzip")
+			.json(outputPath);
+	}
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/opencitations/ReadCOCI.java

@@ -12,10 +12,7 @@ import java.util.Optional;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.LocatedFileStatus;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.hadoop.fs.*;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.function.MapFunction;
 import org.apache.spark.sql.*;
@@ -42,19 +39,21 @@ public class ReadCOCI implements Serializable {
 		final String outputPath = parser.get("outputPath");
 		log.info("outputPath: {}", outputPath);
 
-		final String[] inputFile = parser.get("inputFile").split(";");
-		log.info("inputFile {}", Arrays.asList(inputFile));
+		final String hdfsNameNode = parser.get("hdfsNameNode");
+		log.info("hdfsNameNode {}", hdfsNameNode);
+
 		Boolean isSparkSessionManaged = isSparkSessionManaged(parser);
 		log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
 
-		final String workingPath = parser.get("workingPath");
+		final String workingPath = parser.get("inputPath");
 		log.info("workingPath {}", workingPath);
 
-		final String format = parser.get("format");
-		log.info("format {}", format);
-
 		SparkConf sconf = new SparkConf();
 
+		Configuration conf = new Configuration();
+		conf.set("fs.defaultFS", hdfsNameNode);
+
+		FileSystem fileSystem = FileSystem.get(conf);
 		final String delimiter = Optional
 			.ofNullable(parser.get("delimiter"))
 			.orElse(DEFAULT_DELIMITER);
@@ -66,19 +65,20 @@ public class ReadCOCI implements Serializable {
 				doRead(
 					spark,
 					workingPath,
-					inputFile,
+					fileSystem,
 					outputPath,
-					delimiter,
-					format);
+					delimiter);
 			});
 	}
 
-	private static void doRead(SparkSession spark, String workingPath, String[] inputFiles,
+	private static void doRead(SparkSession spark, String workingPath, FileSystem fileSystem,
 		String outputPath,
-		String delimiter, String format) {
-
-		for (String inputFile : inputFiles) {
-			String pString = workingPath + "/" + inputFile + ".gz";
+		String delimiter) throws IOException {
+		RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
+			.listFiles(
+				new Path(workingPath), true);
+		while (fileStatusListIterator.hasNext()) {
+			LocatedFileStatus fileStatus = fileStatusListIterator.next();
 
 			Dataset<Row> cociData = spark
 				.read()
@@ -87,26 +87,23 @@ public class ReadCOCI implements Serializable {
 				.option("inferSchema", "true")
 				.option("header", "true")
 				.option("quotes", "\"")
-				.load(pString)
+				.load(fileStatus.getPath().toString())
 				.repartition(100);
 
 			cociData.map((MapFunction<Row, COCI>) row -> {
 				COCI coci = new COCI();
-				if (format.equals("COCI")) {
-					coci.setCiting(row.getString(1));
-					coci.setCited(row.getString(2));
-				} else {
-					coci.setCiting(String.valueOf(row.getInt(1)));
-					coci.setCited(String.valueOf(row.getInt(2)));
-				}
+
+				coci.setCiting(row.getString(1));
+				coci.setCited(row.getString(2));
+
 				coci.setOci(row.getString(0));
 
 				return coci;
 			}, Encoders.bean(COCI.class))
 				.write()
-				.mode(SaveMode.Overwrite)
+				.mode(SaveMode.Append)
 				.option("compression", "gzip")
-				.json(outputPath + inputFile);
+				.json(outputPath);
 		}
 
 	}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/actionmanager/opencitations/model/COCI.java

@@ -9,8 +9,10 @@ public class COCI implements Serializable {
 	private String oci;
 
 	private String citing;
+	private String citing_pid;
 
 	private String cited;
+	private String cited_pid;
 
 	public String getOci() {
 		return oci;
@@ -36,4 +38,19 @@ public class COCI implements Serializable {
 		this.cited = cited;
 	}
 
+	public String getCiting_pid() {
+		return citing_pid;
+	}
+
+	public void setCiting_pid(String citing_pid) {
+		this.citing_pid = citing_pid;
+	}
+
+	public String getCited_pid() {
+		return cited_pid;
+	}
+
+	public void setCited_pid(String cited_pid) {
+		this.cited_pid = cited_pid;
+	}
 }

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/opencitations/input_parameters.json

@@ -1,13 +1,13 @@
 [
   {
-    "paramName": "if",
-    "paramLongName": "inputFile",
+    "paramName": "ip",
+    "paramLongName": "inputPath",
     "paramDescription": "the zipped opencitations file",
     "paramRequired": true
   },
   {
-    "paramName": "wp",
-    "paramLongName": "workingPath",
+    "paramName": "op",
+    "paramLongName": "outputPath",
     "paramDescription": "the working path",
     "paramRequired": true
   },
@@ -16,11 +16,5 @@
     "paramLongName": "hdfsNameNode",
     "paramDescription": "the hdfs name node",
     "paramRequired": true
-  },
-  {
-    "paramName": "p",
-    "paramLongName": "prefix",
-    "paramDescription": "COCI or POCI",
-    "paramRequired": true
   }
 ]

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/opencitations/input_readcoci_parameters.json

@@ -1,7 +1,7 @@
 [
   {
-    "paramName": "wp",
-    "paramLongName": "workingPath",
+    "paramName": "ip",
+    "paramLongName": "inputPath",
     "paramDescription": "the zipped opencitations file",
     "paramRequired": true
   },
@@ -24,15 +24,9 @@
     "paramLongName": "outputPath",
     "paramDescription": "the hdfs name node",
     "paramRequired": true
-  },
-  {
-    "paramName": "if",
-    "paramLongName": "inputFile",
-    "paramDescription": "the hdfs name node",
-    "paramRequired": true
-  }, {
-  "paramName": "f",
-  "paramLongName": "format",
+  },  {
+  "paramName": "nn",
+  "paramLongName": "hdfsNameNode",
   "paramDescription": "the hdfs name node",
   "paramRequired": true
 }

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/opencitations/oozie_app/workflow.xml

@@ -27,7 +27,8 @@
             <case to="download">${wf:conf('resumeFrom') eq 'DownloadDump'}</case>
             <case to="extract">${wf:conf('resumeFrom') eq 'ExtractContent'}</case>
             <case to="read">${wf:conf('resumeFrom') eq 'ReadContent'}</case>
-            <default to="create_actionset"/> <!-- first action to be done when downloadDump is to be performed -->
+            <case to="create_actionset">${wf:conf('resumeFrom') eq 'CreateAS'}</case>
+            <default to="deleteoutputpath"/> <!-- first action to be done when downloadDump is to be performed -->
         </switch>
     </decision>
 
@@ -35,6 +36,15 @@
         <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
     </kill>
 
+    <action name="deleteoutputpath">
+        <fs>
+            <delete path='${inputPath}'/>
+            <mkdir path='${inputPath}'/>
+        </fs>
+        <ok to="download"/>
+        <error to="Kill"/>
+    </action>
+
     <action name="download">
         <shell xmlns="uri:oozie:shell-action:0.2">
             <job-tracker>${jobTracker}</job-tracker>
@@ -47,7 +57,28 @@
             </configuration>
             <exec>download.sh</exec>
             <argument>${filelist}</argument>
-            <argument>${workingPath}/${prefix}/Original</argument>
+            <argument>${inputPath}/Original</argument>
+            <env-var>HADOOP_USER_NAME=${wf:user()}</env-var>
+            <file>download.sh</file>
+            <capture-output/>
+        </shell>
+        <ok to="download_correspondence"/>
+        <error to="Kill"/>
+    </action>
+<!--    downloads the correspondence from the omid and the pid (doi, pmid etc)-->
+    <action name="download_correspondence">
+        <shell xmlns="uri:oozie:shell-action:0.2">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <configuration>
+                <property>
+                    <name>mapred.job.queue.name</name>
+                    <value>${queueName}</value>
+                </property>
+            </configuration>
+            <exec>download_corr.sh</exec>
+            <argument>${filecorrespondence}</argument>
+            <argument>${inputPath}/correspondence</argument>
             <env-var>HADOOP_USER_NAME=${wf:user()}</env-var>
             <file>download.sh</file>
             <capture-output/>
@@ -60,9 +91,19 @@
         <java>
             <main-class>eu.dnetlib.dhp.actionmanager.opencitations.GetOpenCitationsRefs</main-class>
             <arg>--hdfsNameNode</arg><arg>${nameNode}</arg>
-            <arg>--inputFile</arg><arg>${inputFile}</arg>
-            <arg>--workingPath</arg><arg>${workingPath}/${prefix}</arg>
-            <arg>--prefix</arg><arg>${prefix}</arg>
+            <arg>--inputPath</arg><arg>${inputPath}/Original</arg>
+            <arg>--outputPath</arg><arg>${inputPath}/Extracted</arg>
+        </java>
+        <ok to="read"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="extract_correspondence">
+        <java>
+            <main-class>eu.dnetlib.dhp.actionmanager.opencitations.GetOpenCitationsRefs</main-class>
+            <arg>--hdfsNameNode</arg><arg>${nameNode}</arg>
+            <arg>--inputPath</arg><arg>${inputPath}/correspondence</arg>
+            <arg>--outputPath</arg><arg>${inputPath}/correspondence_extracted</arg>
         </java>
         <ok to="read"/>
         <error to="Kill"/>
@@ -85,11 +126,34 @@
                 --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
                 --conf spark.sql.warehouse.dir=${sparkSqlWarehouseDir}
             </spark-opts>
-            <arg>--workingPath</arg><arg>${workingPath}/${prefix}/${prefix}</arg>
-            <arg>--outputPath</arg><arg>${workingPath}/${prefix}/${prefix}_JSON/</arg>
+            <arg>--inputPath</arg><arg>${inputPath}/Extracted</arg>
+            <arg>--outputPath</arg><arg>${inputPath}/JSON</arg>
             <arg>--delimiter</arg><arg>${delimiter}</arg>
-            <arg>--inputFile</arg><arg>${inputFileCoci}</arg>
-            <arg>--format</arg><arg>${prefix}</arg>
+            <arg>--hdfsNameNode</arg><arg>${nameNode}</arg>
+        </spark>
+        <ok to="remap"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="remap">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>Produces the AS for OC</name>
+            <class>eu.dnetlib.dhp.actionmanager.opencitations.MapOCIdsInPids</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory=${sparkExecutorMemory}
+                --executor-cores=${sparkExecutorCores}
+                --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.warehouse.dir=${sparkSqlWarehouseDir}
+            </spark-opts>
+            <arg>--inputPath</arg><arg>${inputPath}</arg>
+            <arg>--outputPath</arg><arg>${outputPathExtraction}</arg>
         </spark>
         <ok to="create_actionset"/>
         <error to="Kill"/>
@@ -112,7 +176,7 @@
                 --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
                 --conf spark.sql.warehouse.dir=${sparkSqlWarehouseDir}
             </spark-opts>
-            <arg>--inputPath</arg><arg>${workingPath}</arg>
+            <arg>--inputPath</arg><arg>${outputPathExtraction}</arg>
             <arg>--outputPath</arg><arg>${outputPath}</arg>
         </spark>
         <ok to="End"/>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/actionmanager/opencitations/remap_parameters.json

@@ -0,0 +1,20 @@
+[
+  {
+    "paramName": "ip",
+    "paramLongName": "inputPath",
+    "paramDescription": "the zipped opencitations file",
+    "paramRequired": true
+  },
+  {
+    "paramName": "op",
+    "paramLongName": "outputPath",
+    "paramDescription": "the working path",
+    "paramRequired": true
+  },
+  {
+    "paramName": "issm",
+    "paramLongName": "isSparkSessionManged",
+    "paramDescription": "the hdfs name node",
+    "paramRequired": false
+  }
+]