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남인길,이두한,사재학 大邱大學校 科學技術硏究所 1994 科學技術硏究 Vol.1 No.-
In this paper, we propose a efficient query optimization mechanism that using syntatic and semantic knowledge in internal knowledge base. Syntatic knowledge represent relational information of tables and semantic knowledge represent internal rules between attributes and attributes. Also syntatic and structure knowledge was stored in internal knowledge base as graphical structure.