PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Y is a radical of an organic or inorganic acid, for example, a halogen, a sulfate, a methylsulfate, or the radical of an organic sulfonic acid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com