About: http://webisa.webdatacommons.org/51852101

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 an Internet Engineering Task Force (IETF) standard protocol for initiating an interactive user session that may involve multimedia elements such as video, voice, chat, gaming, and virtual reality.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com