About: http://webisa.webdatacommons.org/24258160

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	I???ve been tinkering with ways to use these polygons ??? a set of mostly triangles and quadrilaterals ??? in a way that is harder.
http://www.w3.org/ns/prov#wasQuotedFrom	makemath.org