PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, in one aspect, this invention provides methods and apparatus, including computer program products, implementing and using techniques for enabling one or more features in an electronic document reader.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com