About: http://webisa.webdatacommons.org/193036638

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	Thus, each sector is a curved surface generated by a family of curved lines delimiting the sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com