About: http://webisa.webdatacommons.org/283795617

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	I have not checked out how comprehensive it is, but there are a large number of languages and tasks listed.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com