About: http://webisa.webdatacommons.org/401785692

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 articles you cite are a good place to start if you are interested in understanding these kinds of mechanics. :)
http://www.w3.org/ns/prov#wasQuotedFrom	perlmonks.org