PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Longer missions, to Mars, or long stays on space stations in the future will require astronauts to be gardeners too!Astronauts will grow peanuts, spinach, cabbage, lettuce, rice and other vegetables.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacekids.co.uk