PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A business relationship may also be created through prior correspondence initiated by an individual, including requests for information, responses to questionnaires or surveys, responses to sweepstakes or contests, or offline contact.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iab.net