PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • WebRTC implements the W3C???s proposal for video conferencing on the Web, which will ultimately eliminate VoIP and conferencing middlemen such as Skype.
http://www.w3.org/ns/prov#wasQuotedFrom
  • webrtcworld.com