diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/PropagationConstant.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/PropagationConstant.java
index c8eb017c71..1cc41c395e 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/PropagationConstant.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/PropagationConstant.java
@@ -109,9 +109,9 @@ public class PropagationConstant {
 	}
 
 	public static String getConstraintList(String text, List<String> constraints) {
-		String ret = " and (" + text + constraints.get(0) + "'";
+		String ret = " and (" + text + constraints.get(0).toLowerCase() + "'";
 		for (int i = 1; i < constraints.size(); i++) {
-			ret += " OR " + text + constraints.get(i) + "'";
+			ret += " OR " + text + constraints.get(i).toLowerCase() + "'";
 		}
 		ret += ")";
 		return ret;
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/countrypropagation/PrepareDatasourceCountryAssociation.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/countrypropagation/PrepareDatasourceCountryAssociation.java
index f28c5aa06d..04a659a1ca 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/countrypropagation/PrepareDatasourceCountryAssociation.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/countrypropagation/PrepareDatasourceCountryAssociation.java
@@ -96,27 +96,6 @@ public class PrepareDatasourceCountryAssociation {
 		relation.createOrReplaceTempView("relation");
 		organization.createOrReplaceTempView("organization");
 
-//		String query = "SELECT source dataSourceId, named_struct('classid', country.classid, 'classname', country.classname) country "
-//			+ "FROM ( SELECT id "
-//			+ "       FROM datasource "
-//			+ "       WHERE (datainfo.deletedbyinference = false "
-//			+ whitelisted
-//			+ ") "
-//			+ getConstraintList("datasourcetype.classid = '", allowedtypes)
-//			+ ") d "
-//			+ "JOIN ( SELECT source, target "
-//			+ "       FROM relation "
-//			+ "       WHERE relclass = '"
-//			+ ModelConstants.IS_PROVIDED_BY
-//			+ "' "
-//			+ "       AND datainfo.deletedbyinference = false ) rel "
-//			+ "ON d.id = rel.source "
-//			+ "JOIN (SELECT id, country "
-//			+ "      FROM organization "
-//			+ "      WHERE datainfo.deletedbyinference = false "
-//			+ "      AND length(country.classid) > 0) o "
-//			+ "ON o.id = rel.target";
-
 		String query = "SELECT source dataSourceId, " +
 			"named_struct('classid', country.classid, 'classname', country.classname) country " +
 			"FROM datasource d " +
@@ -125,7 +104,7 @@ public class PrepareDatasourceCountryAssociation {
 			"JOIN organization o " +
 			"ON o.id = rel.target " +
 			"WHERE rel.datainfo.deletedbyinference = false  " +
-			"and rel.relclass = '" + ModelConstants.IS_PROVIDED_BY + "'" +
+			"and lower(rel.relclass) = '" + ModelConstants.IS_PROVIDED_BY.toLowerCase() + "'" +
 			"and o.datainfo.deletedbyinference = false  " +
 			"and length(o.country.classid) > 0 " +
 			"and (" + allowed + " or " + whitelisted + ")";
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/PrepareResultOrcidAssociationStep1.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/PrepareResultOrcidAssociationStep1.java
index b15f813acd..869831ba2b 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/PrepareResultOrcidAssociationStep1.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/PrepareResultOrcidAssociationStep1.java
@@ -102,15 +102,17 @@ public class PrepareResultOrcidAssociationStep1 {
 			+ "               FROM result "
 			+ "               LATERAL VIEW EXPLODE (author) a AS MyT "
 			+ "               LATERAL VIEW EXPLODE (MyT.pid) p AS MyP "
-			+ "               WHERE MyP.qualifier.classid = 'ORCID') tmp "
+			+ "               WHERE lower(MyP.qualifier.classid) = 'orcid') tmp "
 			+ "               GROUP BY id) r_t "
 			+ " JOIN ("
 			+ "        SELECT source, target "
 			+ "        FROM relation "
 			+ "        WHERE datainfo.deletedbyinference = false "
-			+ getConstraintList(" relclass = '", allowedsemrel)
+			+ getConstraintList(" lower(relclass) = '", allowedsemrel)
 			+ "              ) rel_rel "
 			+ " ON source = id";
+
+		log.info("executedQuery: {}", query);
 		spark
 			.sql(query)
 			.as(Encoders.bean(ResultOrcidList.class))
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/projecttoresult/PrepareProjectResultsAssociation.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/projecttoresult/PrepareProjectResultsAssociation.java
index 4cd7f88dff..27ff727fdf 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/projecttoresult/PrepareProjectResultsAssociation.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/projecttoresult/PrepareProjectResultsAssociation.java
@@ -85,8 +85,8 @@ public class PrepareProjectResultsAssociation {
 		String resproj_relation_query = "SELECT source, target "
 			+ "       FROM relation "
 			+ "       WHERE datainfo.deletedbyinference = false "
-			+ "       AND relClass = '"
-			+ ModelConstants.IS_PRODUCED_BY
+			+ "       AND lower(relClass) = '"
+			+ ModelConstants.IS_PRODUCED_BY.toLowerCase()
 			+ "'";
 
 		Dataset<Row> resproj_relation = spark.sql(resproj_relation_query);
@@ -98,7 +98,7 @@ public class PrepareProjectResultsAssociation {
 			+ "      FROM (SELECT source, target "
 			+ "            FROM relation "
 			+ "            WHERE datainfo.deletedbyinference = false  "
-			+ getConstraintList(" relClass = '", allowedsemrel)
+			+ getConstraintList(" lower(relClass) = '", allowedsemrel)
 			+ "            ) r1"
 			+ "      JOIN resproj_relation r2 "
 			+ "      ON r1.source = r2.source "
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromorganization/PrepareResultCommunitySet.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromorganization/PrepareResultCommunitySet.java
index 750d333e53..bea0a3e54f 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromorganization/PrepareResultCommunitySet.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromorganization/PrepareResultCommunitySet.java
@@ -76,14 +76,14 @@ public class PrepareResultCommunitySet {
 			+ "FROM (SELECT source, target "
 			+ "      FROM relation "
 			+ "      WHERE datainfo.deletedbyinference = false "
-			+ "      AND relClass = '"
-			+ ModelConstants.HAS_AUTHOR_INSTITUTION
+			+ "      AND lower(relClass) = '"
+			+ ModelConstants.HAS_AUTHOR_INSTITUTION.toLowerCase()
 			+ "') result_organization "
 			+ "LEFT JOIN (SELECT source, collect_set(target) org_set "
 			+ "      FROM relation "
 			+ "      WHERE datainfo.deletedbyinference = false "
-			+ "      AND relClass = '"
-			+ ModelConstants.MERGES
+			+ "      AND lower(relClass) = '"
+			+ ModelConstants.MERGES.toLowerCase()
 			+ "' "
 			+ "      GROUP BY source) organization_organization "
 			+ "ON result_organization.target = organization_organization.source ";
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromsemrel/PrepareResultCommunitySetStep1.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromsemrel/PrepareResultCommunitySetStep1.java
index 4f5ac25521..0c836a3ba9 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromsemrel/PrepareResultCommunitySetStep1.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttocommunityfromsemrel/PrepareResultCommunitySetStep1.java
@@ -144,8 +144,8 @@ public class PrepareResultCommunitySetStep1 {
 		String resultContextQuery = String
 			.format(
 				RESULT_CONTEXT_QUERY_TEMPLATE,
-				getConstraintList(" co.id = '", communityIdList),
-				getConstraintList(" relClass = '", allowedsemrel));
+				getConstraintList(" lower(co.id) = '", communityIdList),
+				getConstraintList(" lower(relClass) = '", allowedsemrel));
 
 		Dataset<Row> result_context = spark.sql(resultContextQuery);
 		result_context.createOrReplaceTempView("result_context");
diff --git a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
index 84e40fa88b..fe5889c53f 100644
--- a/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
+++ b/dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
@@ -91,8 +91,8 @@ public class PrepareResultInstRepoAssociation {
 			+ "AND datainfo.deletedbyinference = false  ) d "
 			+ "JOIN ( SELECT source, target "
 			+ "FROM relation "
-			+ "WHERE relclass = '"
-			+ ModelConstants.IS_PROVIDED_BY
+			+ "WHERE lower(relclass) = '"
+			+ ModelConstants.IS_PROVIDED_BY.toLowerCase()
 			+ "' "
 			+ "AND datainfo.deletedbyinference = false ) rel "
 			+ "ON d.id = rel.source ";
@@ -111,8 +111,8 @@ public class PrepareResultInstRepoAssociation {
 		String query = "Select source resultId, collect_set(target) organizationSet "
 			+ "from relation "
 			+ "where datainfo.deletedbyinference = false "
-			+ "and relClass = '"
-			+ ModelConstants.HAS_AUTHOR_INSTITUTION
+			+ "and lower(relClass) = '"
+			+ ModelConstants.HAS_AUTHOR_INSTITUTION.toLowerCase()
 			+ "' "
 			+ "group by source";
 
diff --git a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/orcidtoresultfromsemrel/oozie_app/workflow.xml b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/orcidtoresultfromsemrel/oozie_app/workflow.xml
index 5ddc5fedf4..5f52c16585 100644
--- a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/orcidtoresultfromsemrel/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/orcidtoresultfromsemrel/oozie_app/workflow.xml
@@ -266,7 +266,6 @@
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Publication</arg>
             <arg>--outputPath</arg><arg>${outputPath}/publication</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
         </spark>
         <ok to="wait2"/>
         <error to="Kill"/>
@@ -298,7 +297,6 @@
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Dataset</arg>
             <arg>--outputPath</arg><arg>${outputPath}/dataset</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
         </spark>
         <ok to="wait2"/>
         <error to="Kill"/>
@@ -330,7 +328,6 @@
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.OtherResearchProduct</arg>
             <arg>--outputPath</arg><arg>${outputPath}/otherresearchproduct</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
         </spark>
         <ok to="wait2"/>
         <error to="Kill"/>
@@ -362,7 +359,6 @@
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Software</arg>
             <arg>--outputPath</arg><arg>${outputPath}/software</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
         </spark>
         <ok to="wait2"/>
         <error to="Kill"/>
diff --git a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
index e0563abae8..2fe9a4256b 100644
--- a/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-enrichment/src/main/resources/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/oozie_app/workflow.xml
@@ -176,7 +176,6 @@
             <arg>--datasourceOrganizationPath</arg><arg>${workingDir}/preparedInfo/datasourceOrganization</arg>
             <arg>--alreadyLinkedPath</arg><arg>${workingDir}/preparedInfo/alreadyLinked</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Publication</arg>
         </spark>
         <ok to="wait2"/>
@@ -206,7 +205,6 @@
             <arg>--datasourceOrganizationPath</arg><arg>${workingDir}/preparedInfo/datasourceOrganization</arg>
             <arg>--alreadyLinkedPath</arg><arg>${workingDir}/preparedInfo/alreadyLinked</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Dataset</arg>
         </spark>
         <ok to="wait2"/>
@@ -236,7 +234,6 @@
             <arg>--datasourceOrganizationPath</arg><arg>${workingDir}/preparedInfo/datasourceOrganization</arg>
             <arg>--alreadyLinkedPath</arg><arg>${workingDir}/preparedInfo/alreadyLinked</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.OtherResearchProduct</arg>
         </spark>
         <ok to="wait2"/>
@@ -266,7 +263,6 @@
             <arg>--datasourceOrganizationPath</arg><arg>${workingDir}/preparedInfo/datasourceOrganization</arg>
             <arg>--alreadyLinkedPath</arg><arg>${workingDir}/preparedInfo/alreadyLinked</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
-            <arg>--saveGraph</arg><arg>${saveGraph}</arg>
             <arg>--resultTableName</arg><arg>eu.dnetlib.dhp.schema.oaf.Software</arg>
         </spark>
         <ok to="wait2"/>
diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/DumpGraphEntities.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/DumpGraphEntities.java
index 573be6de2e..16653be9dd 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/DumpGraphEntities.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/graph/DumpGraphEntities.java
@@ -8,6 +8,8 @@ import java.io.StringReader;
 import java.util.*;
 import java.util.stream.Collectors;
 
+import eu.dnetlib.dhp.schema.dump.oaf.graph.Funder;
+import eu.dnetlib.dhp.schema.dump.oaf.graph.Project;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.function.MapFunction;
 import org.apache.spark.sql.Encoders;
diff --git a/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/DLIToOAF.scala b/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/DLIToOAF.scala
index 88277b8274..abac41b89a 100644
--- a/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/DLIToOAF.scala
+++ b/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/export/DLIToOAF.scala
@@ -46,7 +46,7 @@ object DLIToOAF {
     "IsReferencedBy" -> ("isRelatedTo", "relationship"),
     "References" -> ("isRelatedTo", "relationship"),
     "IsRelatedTo" -> ("isRelatedTo", "relationship"),
-    "IsSupplementedBy" -> ("IsSupplementedBy", "supplement"),
+    "IsSupplementedBy" -> ("isSupplementedBy", "supplement"),
     "Cites" -> ("cites", "citation"),
     "Unknown" -> ("isRelatedTo", "relationship"),
     "IsSourceOf" -> ("isRelatedTo", "relationship"),
diff --git a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
index 192a6f59bf..e2b74b9aa5 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
@@ -597,6 +597,12 @@
 
     <action name="drop_solr_collection">
         <java>
+            <configuration>
+                <property>
+                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
+                    <value>true</value>
+                </property>
+            </configuration>
             <main-class>eu.dnetlib.dhp.oa.provision.SolrAdminApplication</main-class>
             <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--format</arg><arg>${format}</arg>
@@ -639,6 +645,12 @@
 
     <action name="commit_solr_collection">
         <java>
+            <configuration>
+                <property>
+                    <name>oozie.launcher.mapreduce.user.classpath.first</name>
+                    <value>true</value>
+                </property>
+            </configuration>
             <main-class>eu.dnetlib.dhp.oa.provision.SolrAdminApplication</main-class>
             <arg>--isLookupUrl</arg><arg>${isLookupUrl}</arg>
             <arg>--format</arg><arg>${format}</arg>