PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CD-ROM, CDI, and WORM products will be increasingly affordable over the next 30 months, with CD-ROM prices estimated to drop from $800.00 to $400.00 or less per drive, including controller, and OEM and volume prices estimated to drop to as low as $175.00 per unit by 1990.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca