About: http://webisa.webdatacommons.org/43546083

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	Oil shale is a sedimentary rock that contains undecayed algae called kerogen.
http://www.w3.org/ns/prov#wasQuotedFrom	aibs.org