About: http://webisa.webdatacommons.org/276767663

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	This may be accomplished by employing a plurality of cylindrical lens segments to generate a series of lines which are joined together to form a geometric figure such as a square or a rectangle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr