About: http://webisa.webdatacommons.org/226641500

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	Given that longitude is a matter of east and west, and there is no East Pole or West Pole, establishing the reference frame is a matter of convention.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com