About: http://webisa.webdatacommons.org/291240540

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	In this example, mreturn is a function that takes an int and returns an std::unique_ptr<int>.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com