About: http://webisa.webdatacommons.org/448196242

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 OOP language such as Java, the object entities used to solve computing problems are thought to form a relation as of a tree, thus we have the class hierarchy.
http://www.w3.org/ns/prov#wasQuotedFrom	xahlee.info