PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chinese parents are already highly sensitive to metal contamination in food, which is often linked to the country's high levels of soil and water pollution, one of the main ways metals gets into cereals and other crops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thanhniennews.com