About: http://webisa.webdatacommons.org/20163479

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	In this way, you can check the value's value to see whether T is a class or not:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com