diff --git a/dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkPropagateRelation.java b/dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkPropagateRelation.java
index 866de43a5..3e784b07f 100644
--- a/dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkPropagateRelation.java
+++ b/dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkPropagateRelation.java
@@ -117,22 +117,25 @@ public class SparkPropagateRelation extends AbstractSparkAction {
 
 	private static Dataset<Relation> createNewRels(
 		Dataset<Relation> rels,
-		Dataset<Tuple2<String,String>> mergedIds,
+		Dataset<Tuple2<String, String>> mergedIds,
 		MapFunction<Tuple2<Tuple2<Tuple3<String, Relation, String>, Tuple2<String, String>>, Tuple2<String, String>>, Relation> mapRel) {
 
 		Dataset<Tuple3<String, Relation, String>> mapped = rels
-				.map(
-						(MapFunction<Relation, Tuple3<String, Relation, String>>) r -> new Tuple3<>(getId(r, FieldType.SOURCE), r, getId(r, FieldType.TARGET)),
-						Encoders.tuple(Encoders.STRING(), Encoders.kryo(Relation.class), Encoders.STRING()));
+			.map(
+				(MapFunction<Relation, Tuple3<String, Relation, String>>) r -> new Tuple3<>(getId(r, FieldType.SOURCE),
+					r, getId(r, FieldType.TARGET)),
+				Encoders.tuple(Encoders.STRING(), Encoders.kryo(Relation.class), Encoders.STRING()));
 
 		Dataset<Tuple2<Tuple3<String, Relation, String>, Tuple2<String, String>>> relSource = mapped
-				.joinWith(mergedIds, mapped.col("_1").equalTo(mergedIds.col("_1")), "left_outer");
+			.joinWith(mergedIds, mapped.col("_1").equalTo(mergedIds.col("_1")), "left_outer");
 
 		return relSource
-				.joinWith(mergedIds, relSource.col("_1._3").equalTo(mergedIds.col("_2")), "left_outer")
-				.filter((FilterFunction<Tuple2<Tuple2<Tuple3<String, Relation, String>, Tuple2<String, String>>, Tuple2<String, String>>>) r -> r._2() != null || r._1() != null)
-				.map(mapRel, Encoders.bean(Relation.class))
-				.distinct();
+			.joinWith(mergedIds, relSource.col("_1._3").equalTo(mergedIds.col("_2")), "left_outer")
+			.filter(
+				(FilterFunction<Tuple2<Tuple2<Tuple3<String, Relation, String>, Tuple2<String, String>>, Tuple2<String, String>>>) r -> r
+					._2() != null || r._1() != null)
+			.map(mapRel, Encoders.bean(Relation.class))
+			.distinct();
 	}
 
 	private static Dataset<Relation> processDataset(