About: http://webisa.webdatacommons.org/4600885

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	first to Nth upper terminals on the upper surface, where N is an integer equal to or greater than three, the first to Nth upper terminals being arranged at vertices of a polygon;
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk