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The Modelling of Temporal Data in the Relational Database Environment

The Modelling of Temporal Data in the Relational Database Environment
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摘要 This research takes the view that the modelling of temporal data is a fundamental step towards the solution of capturing semantics of time. The problemsinhereat in the mod6iling of time are not unique to datahase processing. Therepresentation of temporal knowledge and temporal reasoning arises in a widerange of other disciplines. ln this paper an account is given of a techniquefor modelling the semantics of temporal data and its associated normalizationmcthod. It discusses the techniques of processing temporal data by employinga Time Sequence (TS) data model. It shows a number of different strategieswhich are used to classify different data properties of temporal data, and it goeson.to develop the model of temporal data and addresses issues of temporal dataapplication design by introducing the concept of temporal data normalisation. This research takes the view that the modelling of temporal data is a fundamental step towards the solution of capturing semantics of time. The problemsinhereat in the mod6iling of time are not unique to datahase processing. Therepresentation of temporal knowledge and temporal reasoning arises in a widerange of other disciplines. ln this paper an account is given of a techniquefor modelling the semantics of temporal data and its associated normalizationmcthod. It discusses the techniques of processing temporal data by employinga Time Sequence (TS) data model. It shows a number of different strategieswhich are used to classify different data properties of temporal data, and it goeson.to develop the model of temporal data and addresses issues of temporal dataapplication design by introducing the concept of temporal data normalisation.
作者 孙远
出处 《Journal of Computer Science & Technology》 SCIE EI CSCD 1995年第2期163-174,共12页 计算机科学技术学报(英文版)
关键词 Temporal data re1ational database time sequence model temporal normalization Temporal data, re1ational database, time sequence model, temporal normalization
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参考文献3

  • 1孙远,Proceedings of the 1994 IEEE International Workshop on Information Technology,1994年
  • 2孙远,Proceedings of the 3rd Int’l Conf for Young Computer Scientists,1993年
  • 3孙远,Proceedings of the 3rd Int’l Conf on Data and Knowledge Systems for Manufacturing and Engineering,1992年

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