PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • there are a lot of chemicals that are used in high volume.??? They are called high production volume.??? For instance, they are mostly consumer
http://www.w3.org/ns/prov#wasQuotedFrom
  • fda.gov