About: http://webisa.webdatacommons.org/279328415

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	You should, logically at least, discern between the interface shared by X and other classes, and the baseclass which helps you implement it.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com