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Search-based buffer management policies for streaming in continuous media servers

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3 Author(s)
Hammad, M.A. ; Purdue Univ., West Lafayette, IN, USA ; Aref, W.G. ; Elmagarmid, A.K.

In this paper we propose efficient buffer prefetching and replacement policies for continuous-media servers that support content-based search and retrieval. The new policies are based on the knowledge collected from the content-based search manager and the streaming manager. We show that by integrating the knowledge from the search and streaming components, we can achieve better caching of media streams, thus minimizing initial latency and reducing disk I/O. We test the search-based policies on a prototype video database system developed at Purdue University. The results show that initial latency is reduced on the average by 20%, compared to the traditional policies.

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Multimedia and Expo, 2002. ICME '02. Proceedings. 2002 IEEE International Conference on  (Volume:1 )

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