About: http://webisa.webdatacommons.org/414577498

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 too had the same questions, its been tried before a few times and its not been so great, either the id, mac address etc (lemmings was an example)..
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org