About: http://webisa.webdatacommons.org/186679169

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	Some answers here are very generic stating that an interface is a contract.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com