About: http://webisa.webdatacommons.org/53737468

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	So my question is limited to languages such as Java or Ruby that offer distinct ways to achieve polymorphism (interfaces and duck typing, respectively).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com