About: http://webisa.webdatacommons.org/270532190

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	Not to be confused with shale oil, oil shale is a sedimentary rock containing up to 50% organic matter rich in hydrogen, known as kerogen.
http://www.w3.org/ns/prov#wasQuotedFrom	iea.org