About: http://webisa.webdatacommons.org/17706970

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	You certainly could achieve the effect you describe by making a subclass, since user-defined types in Python are mutable by default.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com