PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Its leaves are used as a vegetable and provide a cheap but rich source of proteins, vitamins A, B and C, and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fao.org