Multimedia information caching
technique for realizing TVOD
Arichitecture
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Why TVOD : more promising
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PSA(personal service agents)
Retrieval and Caching
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local caching is not economically viable.
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resource optimizations for several users with similar preferences
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metropolitan-area network with storage servers
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storage/network trade-off
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heuristic caching strategy
More consideration
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user may interest in portions of the programs selected by
the providers
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cost of different media components
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cost of different time slots