PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some compounds contain both types of multiple bonds in the same molecule.The simplest alkanes are methane (CH4, the most abundant hydrocarbon), ethane (CH3CH3), and propane (CH3CH2CH3).
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com