About: http://webisa.webdatacommons.org/356535567

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	Keys could not be used for our assign use-cases, for various reasons including performance, size, non-mutability, only-global, not the right datastructure, or a mix of any of these.
http://www.w3.org/ns/prov#wasQuotedFrom	sourceforge.net