About: http://webisa.webdatacommons.org/273434867

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	where z is a point on the X-Y plane and C is a constant with both x and y components, Cx and Cy.
http://www.w3.org/ns/prov#wasQuotedFrom	crystalinks.com