About: http://webisa.webdatacommons.org/424952707

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	Array is a reference type - your Contains query will not do what you want (compare all members in order).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com