PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Foods that inherently contain no gluten, such as fruits, vegetables, and hummus, may also use the ???gluten-free??? moniker if they meet the 20 ppm threshold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • regblog.org