Resource r = vf.createURI(user);
BNode bn = vf.createBNode();
URI uint = vf.createURI("http://www.w3.org/2001/XMLSchema#integer");
try {
bn.addProperty(Concepts.HAS_TYPE.get(gToAdd), vf.createLiteral(this.name.getName(), vf.createURI("http://www.w3.org/2001/XMLSchema#string")));
bn.addProperty(Concepts.HAS_LIMIT.get(gToAdd), vf.createLiteral(String.valueOf(this.limit), uint));
if(this.weight != null)
bn.addProperty(Concepts.HAS_WEIGHT.get(gToAdd), vf.createLiteral(String.valueOf(this.weight), uint));
r.addProperty(Concepts.HAS_RECOMMENDATION.get(gToAdd), bn);