PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instant Messaging, also known as IM, is a form of real-time direct text-based communication between two or more people using personal computers or other, possibly mobile, devices via shared client software.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nau.edu