About: http://webisa.webdatacommons.org/231701731

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	At most one of the groups is designated as the session id, a volatile group representing the logon session, allowing access to volatile objects associated to the session, such as the display.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org