About: http://webisa.webdatacommons.org/430102882

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	>> On the postgresql.org, about page, there is a link to the license
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org