PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, conventionally, it has not yet been successful in utilizing dry cleaning to efficiently clean a process chamber contaminated with metal, such as tungsten (W).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com