dhp-pace-core/src/main/java/eu/dnetlib/pace/clustering/NumAuthorsTitleSuffixPrefixChain.java

@@ -38,7 +38,7 @@ public class NumAuthorsTitleSuffixPrefixChain extends AbstractClusteringFunction
 
 	@Override
 	protected Collection<String> doApply(Config conf, String s) {
-		return suffixPrefixChain(cleanup(s), param("mod"));
+		return suffixPrefixChain(cleanup(s), paramOrDefault("mod", 10));
 	}
 
 	private Collection<String> suffixPrefixChain(String s, int mod) {

dhp-pace-core/src/main/java/eu/dnetlib/pace/model/FieldDef.java

@@ -54,6 +54,22 @@ public class FieldDef implements Serializable {
 	public FieldDef() {
 	}
 
+	public FieldDef clone() {
+		FieldDef fieldDef = new FieldDef();
+		fieldDef.setName(this.name);
+		fieldDef.setPath(this.path);
+		fieldDef.setType(this.type);
+		fieldDef.setOverrideMatch(this.overrideMatch);
+		fieldDef.setSize(this.size);
+		fieldDef.setLength(this.length);
+		fieldDef.setFilter(this.filter);
+		fieldDef.setSorted(this.sorted);
+		fieldDef.setClean(this.clean);
+		fieldDef.setInfer(this.infer);
+		fieldDef.setInferenceFrom(this.inferenceFrom);
+		return fieldDef;
+	}
+
 	public String getInferenceFrom() {
 		return inferenceFrom;
 	}

dhp-pace-core/src/main/java/eu/dnetlib/pace/model/SparkDeduper.scala

@@ -19,48 +19,10 @@ case class SparkDeduper(conf: DedupConfig) extends Serializable {
   val model: SparkModel = SparkModel(conf)
 
   val dedup: (Dataset[Row] => Dataset[Row]) = df => {
-    df.transform(filterAndCleanup)
+    df.transform(generateClustersWithCollect)
-      .transform(generateClustersWithCollect)
       .transform(processBlocks)
   }
 
-
-  val filterAndCleanup: (Dataset[Row] => Dataset[Row]) = df => {
-    val df_with_filters = conf.getPace.getModel.asScala.foldLeft(df)((res, fdef) => {
-      if (conf.blacklists.containsKey(fdef.getName)) {
-        res.withColumn(
-          fdef.getName + "_filtered",
-          filterColumnUDF(fdef).apply(new Column(fdef.getName))
-        )
-      } else {
-        res
-      }
-    })
-
-    df_with_filters
-  }
-
-  def filterColumnUDF(fdef: FieldDef): UserDefinedFunction = {
-    val blacklist: Predicate[String] = conf.blacklists().get(fdef.getName)
-
-    if (blacklist == null) {
-      throw new IllegalArgumentException("Column: " + fdef.getName + " does not have any filter")
-    } else {
-      fdef.getType match {
-        case Type.List | Type.JSON =>
-          udf[Array[String], Array[String]](values => {
-            values.filter((v: String) => !blacklist.test(v))
-          })
-
-        case _ =>
-          udf[String, String](v => {
-            if (blacklist.test(v)) ""
-            else v
-          })
-      }
-    }
-  }
-
   val generateClustersWithCollect: (Dataset[Row] => Dataset[Row]) = df_with_filters => {
     var df_with_clustering_keys: Dataset[Row] = null
 

dhp-pace-core/src/main/java/eu/dnetlib/pace/model/SparkModel.scala

@@ -5,12 +5,12 @@ import eu.dnetlib.pace.common.AbstractPaceFunctions
 import eu.dnetlib.pace.config.{DedupConfig, Type}
 import eu.dnetlib.pace.util.{MapDocumentUtil, SparkCompatUtils}
 import org.apache.commons.lang3.StringUtils
-import org.apache.spark.sql.catalyst.encoders.RowEncoder
 import org.apache.spark.sql.catalyst.expressions.GenericRowWithSchema
 import org.apache.spark.sql.types.{DataTypes, Metadata, StructField, StructType}
 import org.apache.spark.sql.{Dataset, Row}
 
 import java.util.Locale
+import java.util.function.Predicate
 import java.util.regex.Pattern
 import scala.collection.JavaConverters._
 
@@ -29,8 +29,20 @@ case class SparkModel(conf: DedupConfig) {
     identifier.setName(identifierFieldName)
     identifier.setType(Type.String)
 
+    // create fields for blacklist
+    val filtered = conf.getPace.getModel.asScala.flatMap(fdef => {
+      if (conf.blacklists().containsKey(fdef.getName)) {
+        val fdef_filtered = fdef.clone()
+        fdef_filtered.setName(fdef.getName + "_filtered")
+        Seq(fdef, fdef_filtered)
+      }
+      else {
+        Seq(fdef)
+      }
+    })
+
     // Construct a Spark StructType representing the schema of the model
-    (Seq(identifier) ++ conf.getPace.getModel.asScala)
+    (Seq(identifier) ++ filtered)
       .foldLeft(
         new StructType()
       )((resType, fieldDef) => {
@@ -44,7 +56,6 @@ case class SparkModel(conf: DedupConfig) {
         })
       })
 
-
   }
 
   val identityFieldPosition: Int = schema.fieldIndex(identifierFieldName)
@@ -52,7 +63,8 @@ case class SparkModel(conf: DedupConfig) {
   val orderingFieldPosition: Int = schema.fieldIndex(orderingFieldName)
 
   val parseJsonDataset: (Dataset[String] => Dataset[Row]) = df => {
-    df.map(r => rowFromJson(r))(SparkCompatUtils.encoderFor(schema))
+    df
+      .map(r => rowFromJson(r))(SparkCompatUtils.encoderFor(schema))
   }
 
   def rowFromJson(json: String): Row = {
@@ -64,9 +76,11 @@ case class SparkModel(conf: DedupConfig) {
 
     schema.fieldNames.zipWithIndex.foldLeft(values) {
       case ((res, (fname, index))) =>
-        val fdef = conf.getPace.getModelMap.get(fname)
+
+        val fdef = conf.getPace.getModelMap.get(fname.split("_filtered")(0))
 
         if (fdef != null) {
+          if (!fname.contains("_filtered")) { //process fields with no blacklist
             res(index) = fdef.getType match {
               case Type.String | Type.Int =>
                 MapDocumentUtil.truncateValue(
@@ -99,6 +113,26 @@ case class SparkModel(conf: DedupConfig) {
               case Type.DoubleArray =>
                 MapDocumentUtil.getJPathArray(fdef.getPath, json)
             }
+          }
+          else { //process fields with blacklist
+            val blacklist: Predicate[String] = conf.blacklists().get(fdef.getName)
+
+            res(index) = fdef.getType match {
+              case Type.List | Type.JSON =>
+                MapDocumentUtil.truncateList(
+                  MapDocumentUtil.getJPathList(fdef.getPath, documentContext, fdef.getType),
+                  fdef.getSize
+                ).asScala.filter((v: String) => !blacklist.test(v))
+
+              case _ =>
+                val value: String = MapDocumentUtil.truncateValue(
+                  MapDocumentUtil.getJPathString(fdef.getPath, documentContext),
+                  fdef.getLength
+                )
+                if (blacklist.test(value)) "" else value
+            }
+          }
+
 
           val filter = fdef.getFilter
 
@@ -131,7 +165,6 @@ case class SparkModel(conf: DedupConfig) {
               case _ => inference(res(index).toString, MapDocumentUtil.getJPathString(inferFrom, documentContext), fdef.getInfer)
             }
           }
-
         }
 
         res
@@ -139,6 +172,7 @@ case class SparkModel(conf: DedupConfig) {
     }
 
     new GenericRowWithSchema(values, schema)
+
   }
 
   def clean(value: String, cleantype: String) : String = {

dhp-pace-core/src/test/java/eu/dnetlib/pace/clustering/ClusteringFunctionTest.java

@@ -227,4 +227,17 @@ public class ClusteringFunctionTest extends AbstractPaceTest {
 		System.out.println(cf.apply(conf, Lists.newArrayList(s)));
 	}
 
+	@Test
+	public void testNumAuthorsTitleSuffixPrefixChain() {
+
+		final ClusteringFunction cf = new NumAuthorsTitleSuffixPrefixChain(params);
+		params.put("mod", 10);
+
+		final String title = "PARP-2 Regulates SIRT1 Expression and Whole-Body Energy Expenditure";
+		final String num_authors = "10";
+		System.out.println("title = " + title);
+		System.out.println("num_authors = " + num_authors);
+		System.out.println(cf.apply(conf, Lists.newArrayList(num_authors, title)));
+	}
+
 }

dhp-pace-core/src/test/java/eu/dnetlib/pace/comparators/ComparatorTest.java

@@ -327,4 +327,16 @@ public class ComparatorTest extends AbstractPaceTest {
 
 	}
 
+	@Test
+	public void titleVersionMatchTest() {
+
+		TitleVersionMatch titleVersionMatch = new TitleVersionMatch(params);
+
+		double result = titleVersionMatch
+			.compare(
+				"parp 2 regulates sirt 1 expression and whole body energy expenditure",
+				"parp 2 regulates sirt 1 expression and whole body energy expenditure", conf);
+		assertEquals(1.0, result);
+	}
+
 }

dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkBlockStats.java

@@ -91,7 +91,6 @@ public class SparkBlockStats extends AbstractSparkAction {
 				.read()
 				.textFile(DedupUtility.createEntityPath(graphBasePath, subEntity))
 				.transform(deduper.model().parseJsonDataset())
-				.transform(deduper.filterAndCleanup())
 				.transform(deduper.generateClustersWithCollect())
 				.filter(functions.size(new Column("block")).geq(1));
 

dhp-workflows/dhp-dedup-openaire/src/test/resources/eu/dnetlib/dhp/dedup/conf/pub.curr.conf.json

@@ -96,7 +96,7 @@
         "aggregation": "MAX",
         "positive": "layer4",
         "negative": "NO_MATCH",
-        "undefined": "MATCH",
+        "undefined": "layer4",
         "ignoreUndefined": "true"
       },
       "layer4": {