PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When the communication is a two-way communication, as opposed to a broadcast communication, a path can be defined to include nodes that support communication in one or both directions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com