About: http://webisa.webdatacommons.org/24225274

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	Everything in Nimrod, including object, is a value type, but I prefer reference semantics here for easier manipulation of formulas.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com