PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Practitioners believe that fertilizers, insecticides, herbicides, and other chemicals contaminate food by lowering its potassium content and raising its sodium content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cancer.org