About: http://webisa.webdatacommons.org/59819360

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 help to convert one material, for instance crude oil, into another, such as petrol.
http://www.w3.org/ns/prov#wasQuotedFrom	alphagalileo.org