About: http://webisa.webdatacommons.org/388884183

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	PL/pgSQL is the most mature and feature-complete of the built in languages - but for performance, C can be used (though it will only benefit computationally intensive functions)
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com