PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hazardous chemical, however, is defined to exclude any chemical to the extent it is used in a research laboratory or hospital or other medical facility under the direct supervision of a technically qualified individual.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nap.edu