About: http://webisa.webdatacommons.org/162667124

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	I would assume you could concede there would be some scenarios where the performance penalties would add up to too much, such as code being called several times throughout the lifetime of an application.
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com