PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Toxic chemicals in our environment, such as mercury, lead, and certain manmade chemicals, have been linked to cancer, birth defects and brain impairments.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nrdc.org