<http://example.com/Student/10/Venus> <http://xmlns.com/foaf/0.1/name> "Venus" <http://example.com/PersonGraph> . 
<http://example.com/Student/10/Venus> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person>  <http://example.com/PersonGraph> .