About: http://webisa.webdatacommons.org/2518994

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	So I set about to write an expression evaluator, which could take in data of types long, double, string and boolean.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com