PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some metals, such as copper, selenium and zinc, are essential to plants and animals but can be toxic at high concentrations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ufl.edu