About: http://webisa.webdatacommons.org/345630740

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	Y could exist and yet X not exist, e.g. California is a state of the USA and California exists yet the USA does not exist.
http://www.w3.org/ns/prov#wasQuotedFrom	progress.org