PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Patent US20020110054 - Optical disk apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsAn optical disc apparatus for recording information and/or reproducing on an optical disc which has at least two recording layers including layer 0 and layer 1 reproducible from one side of the disc.
http://www.w3.org/ns/prov#wasQuotedFrom
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