About: http://webisa.webdatacommons.org/53497376

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 (using Enderton's definitions) there is not even a relation $\;F\;$ with a non-empty domain and an empty range, and therefore (since every function is a relation) there is also no function with a non-empty domain and an empty range.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com