About: http://webisa.webdatacommons.org/24221456

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	A 'quack' on the other hand is a useful term (derived from a dutch word) that describes someone trying to sell something useless (usually in a loud voice).
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com