About: http://webisa.webdatacommons.org/310742727

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	This still works in Rails 4 by the way, but the syntax is a little different:
http://www.w3.org/ns/prov#wasQuotedFrom	railscasts.com