public Integer Get_Maxwordid(){
		Integer MaxwordId = new Integer(1);
		Integer size = new Integer(Get_edgesetSize());
		Iterator<SparseMatrix> it = t_edgeset.iterator();
		while(it.hasNext()){
			SparseMatrix current = it.next();
			int currentw1 = current.getwordid1();
			int currentw2 = current.getwordid2();
			if (currentw1 > MaxwordId){
				MaxwordId = currentw1;
			}
			if (currentw2 > MaxwordId){
				MaxwordId = currentw2;
			}	
		}
		return MaxwordId;
		
	}