About: http://webisa.webdatacommons.org/365883304

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	Clipping processes, as previously practiced have required many tests and complex arithmetic operations including multiplication and division, to determine whether a line intersects a window edge, and if so, which one and where.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com