About: http://webisa.webdatacommons.org/30372730

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	If we want to explicitly deal with the Either type in the example above, we could pass a callback which tests whether the argument is a Left or Right and then deals with the error or a success result.
http://www.w3.org/ns/prov#wasQuotedFrom	inimino.org