PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the y bit is a zero, the left fields are used, and if the y bit is a one, the right fields are used.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com