About: http://webisa.webdatacommons.org/259003209

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	Because everything is an object, and because you can redefine instance methods, you can always redefine basic arithmetic if you do not like the answers you are getting.
http://www.w3.org/ns/prov#wasQuotedFrom	phrogz.net