Research on prediction models over distributed data streams

  • Authors:
  • Li Tian;AiPing Li;Peng Zou

  • Affiliations:
  • National Laboratory for Parallel and Distributed Processing, Changsha, Hunan, China;National Laboratory for Parallel and Distributed Processing, Changsha, Hunan, China;National Laboratory for Parallel and Distributed Processing, Changsha, Hunan, China

  • Venue:
  • WISE'06 Proceedings of the 7th international conference on Web Information Systems
  • Year:
  • 2006

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Abstract

A framework is presented to provide a mechanism to maintain adaptive prediction models established both on the coordinator and remote nodes in distributed data stream processing for reducing communication consumption. The coordinator employs these models to answer registered queries, while the remote nodes check whether the prediction value is close to the actual value or not. Update messages are needed only when there's a large deviation between prediction value and actual value. Three particular prediction models are given and compared with existent ones. Analytical and experimental evidence show that the proposed approach performs better both on overall communication cost reduction and prediction query processing.