About: http://webisa.webdatacommons.org/393316228

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	Here p is a vector of prices, and X is a vector of quantities demanded so that the sum of all pixi, is the total expense on goods X.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org