About: http://webisa.webdatacommons.org/163394728

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 this representation, the triple of real numbers (x:y:t), with t???0, is a set of homogeneous coordinates for a point with Cartesian coordinates (x/t, y/t).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com