PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The nature and extent of the effects of agricultural policies on human nutrition and obesity are complex and not well understood, partly because effects of these policies are confounded with other factors, such as income growth and food industry changes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov