PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mercury is a powerful neurotoxin which can cause developmental problems such as delayed onset of walking, talking and delays and deficits in learning.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthworksaction.org