About: http://webisa.webdatacommons.org/427105752

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	One potential problem that is not addressed in the SIP protocol specification is how to reliably and efficiently provide location information to SIP servers, such as SIP proxy servers and SIP redirect servers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com