About: http://webisa.webdatacommons.org/403472364

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	For example, the Cartesian product of a line and a square is a cube and the Cartesian product of two circles is a duocylinder.
http://www.w3.org/ns/prov#wasQuotedFrom	hi.gher.space