About: http://webisa.webdatacommons.org/313419332

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	The simplest way to refine oil is to process it with a clay, a material a lot like kitty litter.
http://www.w3.org/ns/prov#wasQuotedFrom	calsci.com