About: http://webisa.webdatacommons.org/126931163

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	Sorry the inserting null thing was just to visualize the fact that the first column was an identity.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com