PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Organics of either synthetic or natural elements consist of activated carbons, polymers and biomass; and inorganics contain minerals such as aluminas, silicas and zeolites, as described in a study by Adsorption Research Inc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • waterworld.com