About: http://webisa.webdatacommons.org/251720341

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 present invention is useful in many applications, including teleconferencing systems where it is desired to interact with a document that is displayed at multiple locations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com