PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • X1 is, for example, exemplified by ???COOM, ???SO3M (where, M is a hydrogen atom, an alkali metal such as Li and Na), ammonium (NH4), an organic ammonium (N(R8)4)), where, R8 includes methyl and ethyl.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com