PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On sites where I had listened to conference calls I could no longer connect to the calls or hear or see anything except a blank screen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mozilla.org