About: http://webisa.webdatacommons.org/292364562

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	And the best part is that they are free to use, but not for sale.
http://www.w3.org/ns/prov#wasQuotedFrom	mybloggertricks.com