About: http://webisa.webdatacommons.org/329859505

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	Of course, as you say, this kind of thing is difficult to confirm, particularly since these kind of things tend to create a culture of intimidation.
http://www.w3.org/ns/prov#wasQuotedFrom	teachforus.org