Example of Unambiguous Identification

To say: "Web page foo.html  was created by  John Smith"

Need to unambiguously identify 3 things:

1. Web page:
   http://www.example.org/foo.html
   
2. "was created by":
   http://purl.org/dc/elements/1.1/creator
   
3. "John Smith":
   http://www.example.org/staffid/85740