About: http://webisa.webdatacommons.org/310509533

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 presence manager 80 receives the current position information of each user from the position detector 81, and determines whether each user has moved or not.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com