About: http://webisa.webdatacommons.org/267667602

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 protocol widely used for internet conferencing, telephony, presence, events notification, and instant messaging.
http://www.w3.org/ns/prov#wasQuotedFrom	cisco.com