PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, this is often difficult because gluten is found in a plethora of food, primarily baked goods, pastas and other foods containing wheat, rye and barley.
http://www.w3.org/ns/prov#wasQuotedFrom
  • whitworth.edu