PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you are not vacuuming your house with a Certified Sealed Vacuum System, you may be allowing house dust, dirt, bacteria and allergens such as mold spores, pollen and dust mites to be redistributed back into your surrounding indoor air.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthgoods.com