About: http://webisa.webdatacommons.org/175489044

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	Similarly, four inversion points 40, 42, 44 and 46 define a square or other quadrangle as shown in FIG. 3(c).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com