About: http://webisa.webdatacommons.org/125736599

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	Roles are a very complex subject that requires a Moose talk, and this isn’t a Moose talk, so I’m just going to say that Roles are a way of mixing in functionality.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net