About: http://webisa.webdatacommons.org/241575151

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, D1 is a line segment, and the construction joins its ends to make a circle.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org