PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The contaminants and the CO2 gas then typically are passed through a filter, such as a high efficiency particulate air (HEPA) filter, where the contaminants are collected and the gas is released.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com