About: http://webisa.webdatacommons.org/245360454

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	As a circle is an ellipse, it is interesting to see the inversion of a general ellipse.
http://www.w3.org/ns/prov#wasQuotedFrom	mathematica-journal.com