PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The WHO study called for a robust regulatory framework to improve the quality control of imported fertilisers, particularly with regard to nephro-toxic (harmful to kidneys) agents such as cadmium and arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scidev.net