| 摘要 |
Middleware operating under control of a media data audiovisual apparatus having functions of storing media data for replaying comprises a media data management means for providing the media data management functions including replaying, readout, recording, deletion and synthesis of media data and also recording of an access history to the media data, meta-data management means providing the meta-data management functions including readout, recording and dynamic creation of meta-data and also transaction processing attendant upon an access to the meta-data, and query means having the functions of providing more highly abstractive access interface for an application program through vicarious execution of the processing for an access to the media data management means and the meta-data management means, wherein the middleware is configured to provide the functions as a database of the media data for the application program as a whole.
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