About: http://webisa.webdatacommons.org/58296045

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	If the object used is a set or a list, then there is no such method has_key defined for them.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com