PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This carbon-nitrogen combination can be combined with metals or other elements to form any number of compounds or salts, such as potassium cyanide, sodium cyanide or hydrogen cyanide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org