PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Among these electroactive substances, metal oxides such as cobalt oxide, manganese oxide, vanadium oxide, nickel oxide and molybdenum oxide, and metal sulfides such as molybdenum sulfide, titanium sulfide and vanadium sulfide are preferred because high filling density and high volume capacity density can be attained.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com