About: http://webisa.webdatacommons.org/335808254

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	Propylene is a hydrocarbon, and scientists have long known that Titan is teeming with other hydrocarbons such as methane and propane.
http://www.w3.org/ns/prov#wasQuotedFrom	newser.com