About: http://webisa.webdatacommons.org/132893276

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	Your primary point, the question, just what are they replacing is a good one and your conclusions are reasonable.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org