PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the case of a form of instant communications known as ???text chat??? sessions, the conversational pace is often limited mainly by the time it takes for chat participants to compose and finalize messages to be transmitted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au