About: http://webisa.webdatacommons.org/438184547

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	In accordance with an embodiment of the invention, a network device, such as a server, is equipped with a presence agent that facilitates the exchange of presence information between a first user and a second user.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com