PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Keep in mind that foods containing gluten and casein are major sources of protein as well as essential vitamins and minerals such as vitamin D, calcium, and zinc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • autismspeaks.org