<http://example.org/resource> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "abc" .
<http://example.org/resource> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "def" .
<http://example.org/resource> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "abc" .
<http://example.org/resource> <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "def" .