About: http://webisa.webdatacommons.org/451501424

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	And, yes, it seems almost hopeless at times, especially after reading articles such as the one you posted.
http://www.w3.org/ns/prov#wasQuotedFrom	maryvictrix.com