PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The number of Important Bird Areas (IBAs)w1 has approximately doubled since 2002; these now cover between 5 and 8% of each continent except Antarctica, although not all IBAs are protected.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceinschool.org