PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Melatonin is a hormone, produced in the pineal gland, which helps to regulate sleep cycles and wake cycles.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • naturemade.com