About: http://webisa.webdatacommons.org/82013910

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 curvatures K1, K2, K3 do not all have the same sign, then the point being tested is a saddle point, and not a local minima, or maxima.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com