About: http://webisa.webdatacommons.org/11024783

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	Process variables may include pressure, temperature, flow, turbidity, density, concentration, chemical compensation, and other properties.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com