About: http://webisa.webdatacommons.org/324422981

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	In some cases, the frontiers were on rivers, such as the Rhine, Danube, and Euphrates.
http://www.w3.org/ns/prov#wasQuotedFrom	alcoa.com