About: http://webisa.webdatacommons.org/443089364

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 assume there still must be cases where it is null there, e.g. if items are added in a console application.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com