diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/eosc/SparkEoscTag.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/eosc/SparkEoscTag.java
index 501fdf50e..a6767965d 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/eosc/SparkEoscTag.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/bulktag/eosc/SparkEoscTag.java
@@ -119,8 +119,9 @@ public class SparkEoscTag {
 					addEIG(orp.getEoscifguidelines(), EOSC_TWITTER_DATA, EOSC_TWITTER_DATA, "", COMPLIES_WITH);
 				}
 				if (containsCriteriaNotebook(orp)) {
-					addEIG(orp.getEoscifguidelines(), EOSC_JUPYTER_NOTEBOOK, EOSC_JUPYTER_NOTEBOOK, "",
-							COMPLIES_WITH);
+					addEIG(
+						orp.getEoscifguidelines(), EOSC_JUPYTER_NOTEBOOK, EOSC_JUPYTER_NOTEBOOK, "",
+						COMPLIES_WITH);
 				}
 				return orp;
 			}, Encoders.bean(OtherResearchProduct.class))
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
index 52e75e580..e953129b1 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java
@@ -77,9 +77,9 @@ public abstract class AbstractMdRecordToOafMapper {
 
 	static {
 		IdentifierFactory.PID_AUTHORITY
-				.keySet()
-				.stream()
-				.forEach(entry -> pidTypeWithAuthority.put(entry.toString().toLowerCase(), entry.toString()));
+			.keySet()
+			.stream()
+			.forEach(entry -> pidTypeWithAuthority.put(entry.toString().toLowerCase(), entry.toString()));
 
 	}
 
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
index 008aac4dc..a4a6ab224 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java
@@ -10,8 +10,6 @@ import java.net.URLDecoder;
 import java.util.*;
 import java.util.stream.Collectors;
 
-import eu.dnetlib.dhp.schema.common.ModelSupport;
-import eu.dnetlib.dhp.schema.common.RelationInverse;
 import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Document;
 import org.dom4j.Element;
@@ -21,6 +19,8 @@ import com.google.common.collect.Lists;
 
 import eu.dnetlib.dhp.common.PacePerson;
 import eu.dnetlib.dhp.common.vocabulary.VocabularyGroup;
+import eu.dnetlib.dhp.schema.common.ModelSupport;
+import eu.dnetlib.dhp.schema.common.RelationInverse;
 import eu.dnetlib.dhp.schema.oaf.*;
 import eu.dnetlib.dhp.schema.oaf.utils.CleaningFunctions;
 import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory;
@@ -379,15 +379,15 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 
 	@Override
 	protected List<Oaf> addOtherResultRels(
-			final Document doc,
-			final OafEntity entity) {
+		final Document doc,
+		final OafEntity entity) {
 
 		final String docId = entity.getId();
 
 		final List<Oaf> res = new ArrayList<>();
 
 		for (final Object o : doc
-				.selectNodes("//*[local-name()='relatedIdentifier']")) {
+			.selectNodes("//*[local-name()='relatedIdentifier']")) {
 
 			final String originalId = ((Node) o).getText().trim();
 
@@ -417,18 +417,18 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 	}
 
 	protected List<Oaf> getRelations(final String reltype, final String entityId, final String otherId,
-									 final OafEntity entity) {
+		final OafEntity entity) {
 		final List<Oaf> res = new ArrayList<>();
 		RelationInverse rel = ModelSupport.findRelation(reltype);
 		if (rel != null) {
 			res
-					.add(
-							getRelation(
-									entityId, otherId, rel.getRelType(), rel.getSubReltype(), rel.getRelClass(), entity));
+				.add(
+					getRelation(
+						entityId, otherId, rel.getRelType(), rel.getSubReltype(), rel.getRelClass(), entity));
 			res
-					.add(
-							getRelation(
-									otherId, entityId, rel.getRelType(), rel.getSubReltype(), rel.getInverseRelClass(), entity));
+				.add(
+					getRelation(
+						otherId, entityId, rel.getRelType(), rel.getSubReltype(), rel.getInverseRelClass(), entity));
 
 		}
 		return res;