About: http://webisa.webdatacommons.org/384138858

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 heard of one, a hand written note, that went from Norman Mailer to a fellow novelist, who at the time was a college professor.
http://www.w3.org/ns/prov#wasQuotedFrom	firedoglake.com