About: http://webisa.webdatacommons.org/133093257

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	Worth noting that this also works for interfaces, and is a clearer way (IMO) of expressing interface inheritance.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com