About: http://webisa.webdatacommons.org/41599182

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	Incidentally, even the latter limitation (allegedly no storage of the contents of communications) is void in particular with respect to URLs - these being identifiers for the contents transmitted anyway.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org