PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Selecting environmentally preferable cleaning chemicals and other products, especially those that can be ???certified??? by organizations such as Green Seal, the U.S. Environmental Protection Agency (EPA) or the Carpet & Rug Institute (CRI), is a crucial step in the process, Ashkin said. (See ???Federal agency follows the green track??? below.)
http://www.w3.org/ns/prov#wasQuotedFrom
  • cmmonline.com