PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The problem is particularly acute in sub-Saharan Africa and South Asia, where dryland degradation is a serious obstacle to eradicating extreme poverty and hunger, and is jeopardizing efforts to ensure environmental sustainability.
http://www.w3.org/ns/prov#wasQuotedFrom
  • typepad.com