About: http://webisa.webdatacommons.org/28805058

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	Hence, rings, disks and other geometries formed from a proper section of a sphere may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr