PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Source Video Calls and Chat Jitsi (previously SIP Communicator) is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo!, Bonjour and many ... popular instant messaging and telephony protocols such as SIP, Jabber/XMPP (and hence GoogleTalk), AIM, ICQ, MSN, Yahoo! ...
http://www.w3.org/ns/prov#wasQuotedFrom
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