About: http://webisa.webdatacommons.org/383830986

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	??? These commands produce various forms of plots which can help to facilitate understanding of the concepts of vector calculus.
http://www.w3.org/ns/prov#wasQuotedFrom	maplesoft.com