About: http://webisa.webdatacommons.org/312147485

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 thought the tools were developed in house, but if there was a solution already it does not surprise me that they used it.
http://www.w3.org/ns/prov#wasQuotedFrom	fark.com