About: http://webisa.webdatacommons.org/146114144

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 that does not solve your problem, I would guess that there is a problem with you gnuplot installation.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com