PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Either you obtain it by heating fossil fuels, such as methane, or by separating water into oxygen and hydrogen through electrolysis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sugarproducer.com