PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The law also provides ???certain protections against proprietary information where the exact composition of non-harmful chemicals used in the process are considered a trade secret, and requires any carcinogens or other harmful chemicals must be...
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemweek.com