About: http://webisa.webdatacommons.org/12189701

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	Unlike the API class, this class is not usable on its own except as a factory to create instances of classes that derive from it.
http://www.w3.org/ns/prov#wasQuotedFrom	cpan.org