About: http://webisa.webdatacommons.org/19534096

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	Not, this 4D polytope is a simple one, you can get its extreme points by all combinations {a,b,c,d} of 0's and 1's that have a sum <= 1.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com