An Improved Active Rule System Executing Model
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    Abstract:

    Active rules and its processing mechanism have been the weaknesses in the research area of active database for a long time. The weaknesses were mainly represented: (1) The semantic of rules is not rich enough; (2) Lack of fundamental semantic; (3) Lack of hierarchical and structural description of rule processing. In this paper, in order to make up the above weakness, a rich extending semantic is given to the rule processing mechanism. A rule processing tree is represented to describe the influence of rule processing to the state of system structurally.and hierarchically.Based on the new system executing model and the extended transaction model,a rule processing algorithm the supports rich rule semantic can be represented.Comparing with othr similar algorithm,thealgorithm implements the new semantic.The using of recursive techursive technique makes the algorithm coincide with the rule processing.

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李庆忠,王海洋,姜跃平,马绍汉,董继润.一种改进的主动规则的系统执行模型.软件学报,2002,13(1):111-117

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History
  • Received:February 25,2000
  • Revised:July 26,2000
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