About: http://webisa.webdatacommons.org/245801074

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	>> rather than just one. If we have ~20 object types in the system,
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org