In this article,we point out the important functionality needed by emerging multimedia applciatios such hypermedia presentations or digital library retrieval systems to prepare the next generation database systmes.uniform managtement of hypermedia data is reuired to be suitable to various kins fo applications: different data tyeps,differnet data model, varied dat aformat or i/o devices. DBMSs provide effeicient dat astorage facilities but still lack of customizability according to the target applciations.
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