About: http://webisa.webdatacommons.org/83248607

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	Judging from posts I have read here and other places, I would gather that it is.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org