PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some elements, such as arsenic, lead, and mercury, have no known biological function and are toxic at very low levels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usm.edu