PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Beginning with an overview of major ecological principles governing all ecosystems, consideration is then given to such problems as population expansion, natural resources, pollution, conservation and environmental health.
http://www.w3.org/ns/prov#wasQuotedFrom
  • smumn.edu