About: http://webisa.webdatacommons.org/399460432

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	If you do not care about having int represent their underlying value (i.e., instead have int be reference types too and just store a reference to their underlying value) then you do not need boxing.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com