PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, if the user specifies the same keyword(s) at two different times and the result is a document saying that the price of oil is increasing, then this document will only have an information value for the user the first time and none the second time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com