About: http://webisa.webdatacommons.org/333459237

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	Accordingly, there is a need to provide a reliable system and method for indicating the occurrence of three way call events without relying on a hook flash click detection scheme.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es