PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These substances include a wide range of chemicals such as chlorine, oxidizing agents, free ATP, heavy metals, and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com