PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • of signals, which can be electronic, electromagnetic, optical or other signals capable of being received by a communications interface.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com