About: http://webisa.webdatacommons.org/28332291

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	the tables and column types for tables you are selecting from and inserting
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org