PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Apr 11, 2010 By Mike Swift Google, Yahoo and other major Internet advertising companies are developing new ways to tailor ads by tracking users' online history -- and can even auction off individual customers to advertisers in the few milliseconds between a person clicking a link and the page appearing on their screen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org