About: http://webisa.webdatacommons.org/272319009

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	When I was a kid I programmed in BASIC where the built-in functions did include sin but also such things as int and abs... oeis.org is also interesting.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com