About: http://webisa.webdatacommons.org/91485370

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	If ok() compares an expression to == true, then eq() and not_eq() compare their two arguments using = and <>, respectively, to determine whether the test succeeds or fails:
http://www.w3.org/ns/prov#wasQuotedFrom	databasejournal.com