PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention, which meets the needs identified above, is an apparatus and method of controlling a conference call using an improvement on the conference calling center's computer software.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com