About: http://webisa.webdatacommons.org/191433635

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	??? If one gets a personal e-mail from a very famous or important person, such as the president, or the queen of England, or the Pope, or Paul McCartney, can that e-mail have monetary value?
http://www.w3.org/ns/prov#wasQuotedFrom	slate.com