About: http://webisa.webdatacommons.org/14675687

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	These restrictions are placed on value types because value types are intended to be simple types without the complexities of inheritance or referential identity, which can be implemented using basic copy-by-value semantics.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com