About: http://webisa.webdatacommons.org/455173313

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 making the check more rigid is a good idea, since this should throw:
http://www.w3.org/ns/prov#wasQuotedFrom	python.org