PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contaminants are materials found in or on food products which are foreign to the product itself and may include, but are not limited to, chemicals, fecal material, dirt and other detritus, microbes, viruses, fungi and protozoa;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com