| http://www.w3.org/ns/prov#value | - In the drawings: FIG. 1 shows examples of the kinds of titles that are stored on a multi-title disc; FIG. 2A shows the appearance of the optical disc used in the present embodiment; FIG. 2B shows a cross-section of the optical disc; FIG. 2C shows an enlargement of the area around the focused spot of the laser beam; FIG. 2D shows sequences of pits in the information layer 109; FIG. 3A shows the tra
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