PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lignin is associated with cellulose - plant matter which is often used to make paper and biofuels - and is a complex organic material found in trees and other plants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • waste-management-world.com