About: http://webisa.webdatacommons.org/408276118

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	version at a time, including binary choice without messing with PATH manually
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org