About: http://webisa.webdatacommons.org/128918120

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	Below is an example of such a function, based on yours, allowing to plot multiples axes in a figure.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com