PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Furthermore, the sheds or shelters often need gas detectors to protect personnel by sensing dangerously low levels of oxygen - or the presence of hydrocarbons, hydrogen, or other explosive gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • isa.org