About: http://webisa.webdatacommons.org/400635911

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	You might be interested in questions 19074 and 22601 as well as some of the answers given to them even though the sort of minimizing curve sought for in these questions is of the y=f(x) type.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net