About: http://webisa.webdatacommons.org/73140801

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 believe they are still doing free 7-day trials, but if not, there is a cost.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com