About: http://webisa.webdatacommons.org/203032734

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	Hopefully this gives you, if not quite an answer to your question, some more information on the sort of thing you are looking for!
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com