About: http://webisa.webdatacommons.org/437089735

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	Why could not you store the required info in an (encrypted) store on your machine and use that to answer the types of requests you are talking about.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org