About: http://webisa.webdatacommons.org/449149914

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	Saturday, March 14, 2015 is a very special Pi Day, a celebration of the irrational number that describes the ratio of a circle's diameter to its circumference.
http://www.w3.org/ns/prov#wasQuotedFrom	techeblog.com