About: http://webisa.webdatacommons.org/183734007

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	Pi is a ratio usually used in calculations involving circles, rather than in measuring distances.
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com