About: http://webisa.webdatacommons.org/274807490

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	the reason you are getting ellipse it is because the math on the options.add( is very basic and pretends the earth is a flat surface, just like before Copernicus.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com