PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hydrogen may also be generated by, for example, adding alcohols such as methanol and/or ethanol, and/or organic acids such as formic acid, acetic acid, propionic acid, butyric acid and/or lactic acid directly to the formation region in addition to (or in lieu of ) other hydrogen generating amendments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com