About: http://webisa.webdatacommons.org/168927392

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 think your approach first is the best if you dont want people to change your code and just use the interface
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com