About: http://webisa.webdatacommons.org/115916261

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	A technical advantage of the invention is that many existing systems, such as a private branch exchanges (PBX) or voice response units (VRU), already use the programmable matching chip described herein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com