PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As shown, separate atmospheric air streams at 8a and 8b are compressed in corresponding compressors 9a and 9b, and after cooling, the air flows are treated to remove impurities, principally water and carbon dioxide, typically via known adsorbent bed systems, represented by numerals 7a and 7b, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com