PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists refute government numbers, say one-fifth of arable land contaminated More than eight million acres of China???s farmland is too polluted with heavy metals and other chemicals to use for growing food, a Cabinet official said Monday, highlighting a problem that is causing growing public concern.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com