About: http://webisa.webdatacommons.org/405535009

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	The interface of the NodeSegment control is expressed in terms of a centre point, radii and angles, i.e. a polar coordinate system.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com