About: http://webisa.webdatacommons.org/422408758

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 used this on a web site I ran about 7 or 8 years ago, and it worked pretty well, especially considering the state of the art at the time.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org