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, 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 of the metadata includes a list of keys composed of predetermined fields of the metadata, wherein the list contains therein location information of the fields in the metadata, wherein at least a part of the location information is expressed as predetermined code.