СТРУКТУРА ИНДЕКСА МЕТАДАННЫХ, СПОСОБ ОБЕСПЕЧЕНИЯ ИНДЕКСОВ МЕТАДАННЫХ, И СПОСОБ И УСТРОЙСТВО ПОИСКА МЕТАДАННЫХ С ИСПОЛЬЗОВАНИЕМ ИНДЕКСОВ МЕТАДАННЫХ

摘要

An index structure of metadata provided for searching for information on contents and a method for providing indices of the metadata, and a method and an apparatus for searching for the metadata using the index structure of the metadata are provided. The index structure comprises a list (110) of multi-keys which correspond to a combination of fields of the metadata, and location information (111, 112) for defining a multi-key of the list (110).