PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He says toxicants such as formaldehyde, acetaldehyde and acetone we???re found to be emitted in the vapor of the devices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wbfo.org