About: http://webisa.webdatacommons.org/334356147

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	Maybe that is a case and the set I built was an outlier, but it seems the option is still there to built whatever you want.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org