PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the context of the present invention gas" includes air and gases such as helium often used in deep sea diving and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es