PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, US. Patent 2,396,938 states that at least four CH COOM groups (where M is an alkali metal) must be present for satisfactory results in boilers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com