diff --git a/exampleconfig.yml b/exampleconfig.yml
index 97baa94..88e8b1b 100644
--- a/exampleconfig.yml
+++ b/exampleconfig.yml
@@ -11,18 +11,21 @@ types:
   - http://dbpedia.org/ontology/Mayor
   - http://dbpedia.org/ontology/Work
   - http://dbpedia.org/ontology/Band
+  - http://dbpedia.org/ontology/Band
+  - http://dbpedia.org/ontology/MusicalArtist
   - http://dbpedia.org/ontology/MusicalArtist
   - http://dbpedia.org/ontology/Album
+  - http://dbpedia.org/ontology/Album
   - http://dbpedia.org/ontology/Actor
+  - http://dbpedia.org/ontology/Actor
+  - http://dbpedia.org/ontology/MusicGenre
   - http://dbpedia.org/ontology/MusicGenre
-maxNoOfIndividuals: 5
+maxNoOfIndividuals: 0
 maxIndividualsPerExampleConcept: 30
 percentageOfPositiveExamples: 0.5
 percentageOfNegativeExamples: 0.5
 maxNoOfExamples: 30
 minNoOfExamples: 5
-maxGenerateConcepts: 100
+maxGenerateConcepts: 10
 maxConceptLength: 8
 maxDepth: 1
-removeLiterals: true
-namespace: http://dbpedia.org/ontology/
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index ef73fd4..1a63609 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,8 +26,8 @@
         </developer>
     </developers>
     <properties>
-        <maven.compiler.source>11</maven.compiler.source>
-        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
         <log4j.version>2.13.3</log4j.version>
     </properties>
 
@@ -214,8 +214,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
-                    <source>11</source>
-                    <target>11</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                     <encoding>UTF-8</encoding>
                     <compilerArgs>
                         <arg>-parameters</arg>
diff --git a/src/main/java/org/dice_group/lpbenchgen/dl/OWL2SPARQL.java b/src/main/java/org/dice_group/lpbenchgen/dl/OWL2SPARQL.java
index 8bffc70..b46bfae 100644
--- a/src/main/java/org/dice_group/lpbenchgen/dl/OWL2SPARQL.java
+++ b/src/main/java/org/dice_group/lpbenchgen/dl/OWL2SPARQL.java
@@ -34,9 +34,7 @@
  * <p>
  * <p>
  * Copied the OWLClassExpressionToSPARQLConverter from https://github.com/SmartDataAnalytics/OWL2SPARQL and change some bits
- *
- * @author Lixi Alié Conrads
- */
+ **/
 public class OWL2SPARQL implements OWLClassExpressionVisitor, OWLPropertyExpressionVisitor, OWLDataRangeVisitor{
 
     private static final Logger logger = LoggerFactory.getLogger(OWLClassExpressionToSPARQLConverter.class);
diff --git a/src/main/java/org/dice_group/lpbenchgen/dl/OWLTBoxPositiveCreator.java b/src/main/java/org/dice_group/lpbenchgen/dl/OWLTBoxPositiveCreator.java
index 37f7c43..7eaab26 100644
--- a/src/main/java/org/dice_group/lpbenchgen/dl/OWLTBoxPositiveCreator.java
+++ b/src/main/java/org/dice_group/lpbenchgen/dl/OWLTBoxPositiveCreator.java
@@ -84,7 +84,7 @@ public Collection<String> createDistinctConcepts(int noOfConcepts){
                 continue;
             }
             try {
-                if (!retriever.retrieveIndividualsForConcept(concept, 1, 5).isEmpty()) {
+                if (!retriever.retrieveIndividualsForConcept(concept, 1, 2).isEmpty()) {
 
                     ret.add(parser.render(concept));
                     if (ret.size() >= noOfConcepts) {
diff --git a/src/main/java/org/dice_group/lpbenchgen/sparql/IndividualRetriever.java b/src/main/java/org/dice_group/lpbenchgen/sparql/IndividualRetriever.java
index 5e84ad3..8af72ef 100644
--- a/src/main/java/org/dice_group/lpbenchgen/sparql/IndividualRetriever.java
+++ b/src/main/java/org/dice_group/lpbenchgen/sparql/IndividualRetriever.java
@@ -105,7 +105,7 @@ private List<String> createRequest(String sparqlQuery, int timeOut){
             //System.out.println("Code: "+code+", CT: "+actualContentType);
             //e.printStackTrace();
             String id = UUID.randomUUID().toString();
-            LOGGER.warn("Could not execute request due to {}, see debug id:{}", e.getMessage(), id);
+            LOGGER.debug("Could not execute request due to {}, see debug id:{}", e.getMessage(), id);
             LOGGER.debug(id+": ", e);
         }
         return ret;