About: http://webisa.webdatacommons.org/370167473

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	Its not clear by the description above if your $scope.states is an object (hash) or an array.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com