ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Quantitative Evaluations on the Query Modeling and System Integrating Cost of SQL/MDR

  • Jeong, Dong-Won (Department of Informatics & Statistics, Kunsan National University) ;
  • Kim, Young-Gab (Department of Computer Science & Engineering, Korea University) ;
  • In, Hoh-Peter (Department of Computer Science & Engineering, Korea University)
  • Received : 2004.10.07
  • Published : 2005.08.31
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Abstract

SQL/MDR is a metadata registry query language used to consistently exchange and share the data between distributed metadata registries. It is an extension of the international SQL and is familiar to most database builders and administrators. It provides many advantages such as simplicity of query language, ease of use, an independent description for distributed querying, low cost for adding new systems, simplicity of exchanging mechanism, and so on. The goal of this paper is to evaluate and show its merits quantitatively. To achieve this goal, we define simulation models to compare with an existing approach and then describe the evaluation results. In the quantitative evaluation results, the good points of SQL/MDR can be identified and known.

Keywords

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