About: http://webisa.webdatacommons.org/229837337

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 invention relates to conference circuits, and methods, particularly in which multiple users or parties are interconnected simultaneously over a telecommunications network.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com