PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The project was led by Udi Manber of Google, announced December 13, 2007, and was opened in beta to the public on July 23, 2008 with a few hundred articles mostly in the health and medical field.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org