About: http://webisa.webdatacommons.org/440957488

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	UPDATE: There are a number of techniques discussed in the following post, including a plugin that handles the db grunt work:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com