PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The silane compound has a formula, R'n Si(OR)4-n, in which n is an integer which may be 0, 1, or 2, R' is a hydrocarbon radical comprising 3-12 carbon atoms, and R is a hydrogen radical or a lower alkyl radical comprising 1-4 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com