About: http://webisa.webdatacommons.org/448673331

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 telecommunications protocol that promotes integration and interoperability between communications channels, including audio, video and instant messaging.
http://www.w3.org/ns/prov#wasQuotedFrom	dmnews.com