PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is the main advantage of aeroponics over traditional hydroponics or aquaponics ??? which uses an aggregate material such as rocks or pebbles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • farmxchange.org