INDEX STRUCTURE OF METADATA, METHOD FOR PROVIDING INDICES OF METADATA, AND METADATA SEARCHING METHOD AND APPARATUS USING THE INDICES OF METADATA

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).