PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Activated carbon is the most important filter media to remove chemicals, gases, odors and vapors, while HEPA is an important filter for particles, dust and allergens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com