About: http://webisa.webdatacommons.org/243865701

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	Every shape that actually is a shape (rather than a circle, rectangle or triangle) uses the same virtual functions, so the program needs only one vtbl object for every shape.
http://www.w3.org/ns/prov#wasQuotedFrom	embedded.com