About: http://webisa.webdatacommons.org/56305635

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	SIP is a standard protocol used by numerous communication platforms, and its purpose is, as the name says, to initiate sessions, although it???s been extended to serve other purposes as well, such as presence.
http://www.w3.org/ns/prov#wasQuotedFrom	greenl.ee