PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lithium is an alkali metal just like the sodium and potassium found in Portland cement which participate in alkali-silica reactions in concrete.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dot.gov