PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, search engines can better target searches if they know what searchers are looking for. (Google's Did you mean . . . to correct typos is a familiar example.) Keeping a past history of searches provides exactly this information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • singe.za.net