PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, an optical recording medium system, i.e., an optical disk recording/reproducing device is a device for reading a data recorded on an optical disk, such as CD (Compact Disk) or DVD(Digital Versatile Disc), or writing the data on the optical disk.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com