About: http://webisa.webdatacommons.org/115248745

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	But pi is a transcendental number, so no exact measurement of a circle is possible.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com