About: http://webisa.webdatacommons.org/229074970

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	Lastly, here is a link to a thread created 2 weeks which had 5 pages of responses and the OP had the same exact thinking as you.
http://www.w3.org/ns/prov#wasQuotedFrom	beeradvocate.com