About: http://webisa.webdatacommons.org/204309234

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	They may have any shape, such as a circular or polygonal (square, hexagonal, or octagonal) cross section, depending on the intended specific application.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com