About: http://webisa.webdatacommons.org/351888124

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 x and y are the ordinate and abscissa coordinates, respectively, in FIG. 5, xo is a given value of x as indicated in FIG. 5 and W is the base width of the triangle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es