About: http://webisa.webdatacommons.org/249801294

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	in your snippet just below Can just as well be done with prototypes", this assumes that Cat is a function, and not strictly an object, correct?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com