PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Take extra precaution when handling chemicals such as anhydrous ammonia, carbon dioxide, methane gas and hydrogen sulfide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • croplife.com