About: http://webisa.webdatacommons.org/282511939

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	Isn't there a kind of enum which we could rely on to find out types?
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org