About: http://webisa.webdatacommons.org/280967529

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	The call request messages are requests to set up call connections between a calling party which originates the call request messages and one or more called parties with which the calling party wishes to be connected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com