About: http://webisa.webdatacommons.org/19018768

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	OUTER_RADIUS=((OUTER_RADIUS for PARENT of NODE)2+K1/ARC_ANGLE of NODE))??? where K1 is a constant.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com