PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Oysters and fish are an important, low-cost source of protein for the population, but current production levels have led to environmental degradation and to changes in land use over the last 30 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • celsias.com