Patent ID: 6983289

Claim:
A method of finding at least one record in a database corresponding to a digital versatile disc, comprising: receiving unique information about an unidentified digital versatile disc, including at least one of a title of the unidentified digital versatile disc, a volume name of the unidentified digital versatile disc, time stamp information for creation of a master of the unidentified digital versatile disc, a number of titles on the unidentified digital versatile disc, a number of chapters per title on the unidentified digital versatile disc, and a number of frames per chapter on the unidentified digital versatile disc; identifying possibly matching records in a database of information about digital versatile discs using the unique information from the unidentified digital versatile disc; and storing first identifying keys for the information in the database, each first identifying key having been generated based on the number of titles, the number of chapters per title and the number of frames per chapter, wherein said identifying comprises: generating a first search key using the number of titles on the unidentified digital versatile disc, the number of chapters per title on the unidentified digital versatile disc, and the number of frames per chapter on the unidentified digital versatile disc; and using the first search key and the first identifying keys to identify the possibly matching records.