About: http://webisa.webdatacommons.org/216812624

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	When a protocol other than the SIP is used, communications between the relay servers R can be directly controlled on the basis of the protocol and it is thus not necessary to provide the external server S serving as the SIP server.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com