About: http://webisa.webdatacommons.org/69539631

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	Offhand, I would think the biggest problem is that it does not accept file://
http://www.w3.org/ns/prov#wasQuotedFrom	htdig.org