About: http://webisa.webdatacommons.org/67925200

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	I have been saying this for the longest & the rest of your post is spot on.
http://www.w3.org/ns/prov#wasQuotedFrom	tigerdroppings.com