About: http://webisa.webdatacommons.org/81176553

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, after a call to sum(2) or multiply(2) the result is not a number, nor a string, but is a function.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com