PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • .Producers will need to find ways to grow more food to feed more people, Chin said, all while using limited farmland, water and other resources and combating drought, flooding and other natural disasters.Much of the general public, she said, does not understand production agriculture and these many challenges.I think the crux of the problem is that 50-60 years ago, there were many people involved
http://www.w3.org/ns/prov#wasQuotedFrom
  • usagnet.com