PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If your contaminants are mostly smoke and fumes, you will want to look at the air purifiers with adsorbent materials such as activated carbon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • airgle.com