About: http://webisa.webdatacommons.org/284448739

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	I think that having placeholders is a good idea and that they should be re-added, but the most important thing to my mind is consistency: do we add placeholders for all the deprecated criteria (R1, T1, C3, A5, A7), or for none?
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org