About: http://webisa.webdatacommons.org/100835941

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	While I do not like to point to Wikipedia in general, this article is a good starting discussion of the issue.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com