PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is the largest air filter in your home, holding soil, bacteria, pollens, chemicals and other contaminants that would otherwise become airborne.The EPA has recommends that carpets are cleaned at least once every 12-18 months.
http://www.w3.org/ns/prov#wasQuotedFrom
  • happi.com