@base <http://example.com/base/> .

<Student/ID=10> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <Student> .
<Student/ID=10> <Student#ID> "10"^^<http://www.w3.org/2001/XMLSchema#integer> .
<Student/ID=10> <Student#Name> "Venus Williams" .
<Student/ID=10> <Student#Sport> "100"^^<http://www.w3.org/2001/XMLSchema#integer> .
<Student/ID=10> <Student#ref-Sport> <Sport/ID=100> .
<Student/ID=20> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <Student> .
<Student/ID=20> <Student#ID> "20"^^<http://www.w3.org/2001/XMLSchema#integer> .
<Student/ID=20> <Student#Name> "Demi Moore" .
<Sport/ID=100> <Sport#ID> "100"^^<http://www.w3.org/2001/XMLSchema#integer> .
<Sport/ID=100> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <Sport> .
<Sport/ID=100> <Sport#Name> "Tennis" .

