About: http://webisa.webdatacommons.org/417623606

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	Incidentally this might be useful in some use cases (wherein classes are used to represent some form of event or interaction), but for the most part it is not necessarily that useful, since ids are unique in the document anyway.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com