About: http://webisa.webdatacommons.org/127830947

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	It receives a 2-tuple of (i, arg), assumes arg is a number, and sends back (i, arg*2).
http://www.w3.org/ns/prov#wasQuotedFrom	packtpub.com