PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Stricter RVP limits pose a problem for refiners, who produce substantial volumes of relatively volatile, high vapor pressure hydrocarbons such as isopentane (RVP of 21 psi), which have traditionally been blended into gasoline and other motor fuels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com