PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many companies, such as Procter & Gamble and Walmart, have already announced plans to eliminate or reduce toxic chemicals in consumer products nationwide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • environmentalleader.com