About: http://webisa.webdatacommons.org/208185197

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	Add a flag stating whether there is an error or not and override dispatch method.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com