Index structure of metadata, method for providing indices of metadata, and metadata searching method and apparatus using the indices of metadata

摘要

A method of providing an index structure for metadata divided into fragments comprises providing a list of keys corresponding to fields of the metadata and location information for defining a key of the list wherein at least part of the location information is expressed as a predetermined code. A method of providing an index structure for metadata divided into fragments comprises: providing a key index key list section comprising a list of keys corresponding to fields of the metadata and location information defining the keys wherein at least part of the location information is expressed as a predetermined code; providing a key index section and providing a sub key index section wherein for a key of the key index the sub key index comprises a range of values of the key and identification information on the ones of the fragments of metadata corresponding to the values of the key and the key index section comprises representative key values representing the representative ranges of values of the key. (62) Divided out of 533162