PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Deserts are threatening the food security of poor countries, particularly in Africa, where the number of malnourished people doubled to 200 million in 1995 from 100 million at the end of the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom
  • terradaily.com