About: http://webisa.webdatacommons.org/81939276

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	If the distance is equal to R, line is a tangent of the circle and the point nearest to circle center is actually the intersection point.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com