PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Acid rain is a serious environmental problem because it is harmful to plant life and water life, such as in lakes and streams. t Acid rain is particularly damaging to lakes, streams, and forests and the plants and animals that live in these ecosystems in large parts of the United States ,Canada and China.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ehso.com