About: http://webisa.webdatacommons.org/214897745

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	There is provided, in accordance with a preferred embodiment of the present invention, a data retrieval system including a data server, at least one data retrieval client and a co-presence server.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com