About: http://webisa.webdatacommons.org/27875039

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	Other problems are limiting cases, e.g. Constructing a circle through a given point, tangent to a given line, and tangent to a given circle
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com