About: http://webisa.webdatacommons.org/208013840

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	BUT, But not always the response is a message... how to detect when data is a message or not??????:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com