About: http://webisa.webdatacommons.org/344549015

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	Yes, f2 is a closure, since it accesses a variable (n) from an outer scope. (OK, it is not really a closure -- see update below).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com