About: http://webisa.webdatacommons.org/89420560

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 V.sub.nx and V.sub.ny denote the x and y coordinates, respectively, for vertex V.sub.n, and k is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com