About: http://webisa.webdatacommons.org/286920603

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	It does lack the map and some other feature that the paid versions include, but it is a good place to get started.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com