public GraphSimilarity compareMeaningsOf(Vertex vNode1,Vertex vNode2){
  GraphSimilarity isRes=new GraphSimilarity();
  return isRes;
}

public GraphSimilarity compareMeaningsOf ( Vertex vNode1 , Vertex vNode2 ) { GraphSimilarity isRes = new GraphSimilarity ( ) ; return isRes ; }
todo : implement determines the similarity between two nodes of this graph .
