About: http://webisa.webdatacommons.org/258236889

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	it is possible I am overlooking something simple, though, especially considering that your experiment is not confirming this idea.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com