PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, nitric oxide (NO), nitrogen dioxide (NO2), other nitrogen-containing compounds, sulfur-containing compounds, hydrogen peroxide, carbon monoxide, hydrogen, ammonia, ketones, aldehydes, esters, alkanes, and other volatile organic compounds may be present in exhaled breath.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com