About: http://webisa.webdatacommons.org/51255790

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The Session Initiation Protocol (SIP) is a protocol for initiating, modifying and terminating interactive user sessions that involve multimedia elements such as video, voice, instant messaging, online games, and virtual reality.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com