diff --git a/src/main/java/com/gessi/dependency_detection/components/Dependency.java b/src/main/java/com/gessi/dependency_detection/components/Dependency.java
index 5261343..064c7f9 100644
--- a/src/main/java/com/gessi/dependency_detection/components/Dependency.java
+++ b/src/main/java/com/gessi/dependency_detection/components/Dependency.java
@@ -49,4 +49,23 @@ public DependencyType getDependencyType() {
 	return dependencyType;
     }
 
+    @Override
+    public boolean equals(Object o) {
+
+        if (o instanceof Dependency){
+            Dependency dep = (Dependency) o;
+            return (dep.getFrom().equals(this.from) && dep.getTo().equals(this.to) && dep.getDependencyType().equals(this.dependencyType));
+        }
+
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 7;
+        hash = 17 * hash + (this.to != null ? this.to.hashCode() : 0) + (this.from != null ? this.from.hashCode() : 0) +
+                (this.dependencyType != null ? this.dependencyType.hashCode() : 0);
+        return hash;
+    }
+
 }
diff --git a/src/main/java/com/gessi/dependency_detection/functionalities/OntologyHandler.java b/src/main/java/com/gessi/dependency_detection/functionalities/OntologyHandler.java
index 81ece8b..cfd0f39 100644
--- a/src/main/java/com/gessi/dependency_detection/functionalities/OntologyHandler.java
+++ b/src/main/java/com/gessi/dependency_detection/functionalities/OntologyHandler.java
@@ -215,9 +215,9 @@ public void matching(String keywords, String reqId, String requirement, boolean
 		for (int j = 0; j < ontClasses.size(); j++) {
 		    lemmas = classesLemmas.get(j);
 		    if (keywords.split(" ").length >= lemmas.length && extractNGram(keywords, lemmas, syny,thr,wordEmbedding)) {
-				System.out.println("A MATCH WAS MADE BETWEEN:");
-				System.out.println("REQUIREMENT KEYWORDS: "+keywords);
-				System.out.println("ONTOLOGY NAME: "+lemmas.toString());
+				System.out.println("Requirement " + reqId + " contains class " + String.join(" ", lemmas));
+				//System.out.println("REQUIREMENT KEYWORDS: "+keywords);
+				//System.out.println("ONTOLOGY NAME: "+lemmas.toString());
 
 				classes.add(ontClasses.get(j));
 			}
@@ -225,7 +225,7 @@ public void matching(String keywords, String reqId, String requirement, boolean
 
 		// Requirement instantiation within the ontology
 		for (OntClass cls : classes) {
-			System.out.println("A MATCH WAS MADE");
+			//System.out.println("A MATCH WAS MADE");
 			Individual individual = this.model.createIndividual(this.source + ":" + reqId + "_" + cls.getLocalName(),
 					cls);
 			DatatypeProperty req = this.model.getDatatypeProperty(this.source + "#requirement");
@@ -307,7 +307,7 @@ public List<Dependency> ontConflictDetection() {
 									if (!f.equals(t)) {
 										Dependency newDep = new Dependency(f, t, Status.PROPOSED,
 												DependencyType.valueOf((String) dep.get(0).toString().toUpperCase()));
-										dependencies.add(newDep);
+										if (!dependencies.contains(newDep)) dependencies.add(newDep);
 									}
 								}
 							}
diff --git a/src/main/resources/ExcludedWords.txt b/src/main/resources/ExcludedWords.txt
index e8ba81a..48b8841 100644
--- a/src/main/resources/ExcludedWords.txt
+++ b/src/main/resources/ExcludedWords.txt
@@ -718,7 +718,6 @@ every
 ere
 each
 et
-etc
 elsewhere
 else
 ex