About: http://webisa.webdatacommons.org/411437401

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 definition you quote seems intended mainly to exclude either (a) constructive knowledge based on a shirked duty to investigate or (b) imputed knowledge based on what an agent knows.
http://www.w3.org/ns/prov#wasQuotedFrom	weatherson.org