About: http://webisa.webdatacommons.org/180860560

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	The article mentions some of them being encrypted or having some sort of special features.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com