About: http://webisa.webdatacommons.org/160916462

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	It stems from the Convention Concerning the Protection of World Cultural and Natural Heritage, an obscure and vaguely worded treaty signed by world leaders, including President Richard Nixon, and ratified by a Democrat senate in 1972.
http://www.w3.org/ns/prov#wasQuotedFrom	heartland.org