diff --git a/dhp-workflows/dhp-dedup-scholexplorer/src/main/java/eu/dnetlib/dedup/SparkCreateConnectedComponent.java b/dhp-workflows/dhp-dedup-scholexplorer/src/main/java/eu/dnetlib/dedup/SparkCreateConnectedComponent.java
index 16e112c25..01a99da1b 100644
--- a/dhp-workflows/dhp-dedup-scholexplorer/src/main/java/eu/dnetlib/dedup/SparkCreateConnectedComponent.java
+++ b/dhp-workflows/dhp-dedup-scholexplorer/src/main/java/eu/dnetlib/dedup/SparkCreateConnectedComponent.java
@@ -74,6 +74,7 @@ public class SparkCreateConnectedComponent {
     }
 
     public  static long getHashcode(final String id) {
-        return Hashing.murmur3_128().hashUnencodedChars(id).asLong();
+        return Hashing.murmur3_128().hashString(id).asLong();
     }
+
 }
diff --git a/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/provision/DatasetJoiner.scala b/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/provision/DatasetJoiner.scala
index a550bff34..afc33c34a 100644
--- a/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/provision/DatasetJoiner.scala
+++ b/dhp-workflows/dhp-graph-provision-scholexplorer/src/main/java/eu/dnetlib/dhp/provision/DatasetJoiner.scala
@@ -8,22 +8,33 @@ object DatasetJoiner {
   def startJoin(spark: SparkSession, relPath:String, targetPath:String) {
     val relation = spark.read.load(relPath)
 
-    val relatedPublication = relation.where("target like '50%'").groupBy("source").agg(count("target").as("publication")).select(col("source"). alias("p_source"), col("publication"))
-    val relatedDataset = relation.where("target like '60%'").groupBy("source").agg(count("target").as("dataset")).select(col("source"). alias("d_source"), col("dataset"))
-    val relatedUnknown = relation.where("target like '70%'").groupBy("source").agg(count("target").as("unknown")).select(col("source"). alias("u_source"), col("unknown"))
+    val relatedPublication = relation
+        .where("target like '50%'")
+        .groupBy("source")
+        .agg(count("target").as("publication"))
+        .select(col("source"). alias("p_source"), col("publication"))
+    val relatedDataset = relation
+        .where("target like '60%'")
+        .groupBy("source")
+        .agg(count("target").as("dataset"))
+        .select(col("source"). alias("d_source"), col("dataset"))
+    val relatedUnknown = relation
+        .where("target like '70%'")
+        .groupBy("source")
+        .agg(count("target").as("unknown"))
+        .select(col("source"). alias("u_source"), col("unknown"))
     val firstJoin = relatedPublication
-        .join(relatedDataset,col("p_source").equalTo(col("d_source")),"full")
-      .select(coalesce(col("p_source"), col("d_source")).alias("id"),
-              col("publication"),
-              col("dataset"))
-      .join(relatedUnknown, col("u_source").equalTo(col("id")),"full")
-      .select(coalesce(col("u_source"), col("id")).alias("source"),
-        coalesce(col("publication"),lit(0)).alias("relatedPublication"),
-        coalesce(col("dataset"),lit(0)).alias("relatedDataset"),
-        coalesce(col("unknown"),lit(0)).alias("relatedUnknown")
-      )
+          .join(relatedDataset,col("p_source").equalTo(col("d_source")),"full")
+          .select(    coalesce( col("p_source"), col("d_source")).alias("id"),
+                      col("publication"),
+                      col("dataset"))
+          .join(relatedUnknown, col("u_source").equalTo(col("id")),"full")
+          .select(  coalesce(col("u_source"), col("id")).alias("source"),
+                    coalesce(col("publication"),lit(0)).alias("relatedPublication"),
+                    coalesce(col("dataset"),lit(0)).alias("relatedDataset"),
+                    coalesce(col("unknown"),lit(0)).alias("relatedUnknown")
+                )
     firstJoin.write.mode("overwrite").save(targetPath)
-
   }
 
 }