Based on the data market and through the theory of rough set and greed algorithm, this paper describes the analysis, designation and realization of a c/s mode scheduling system in the environment of a graduate school local loop. Emphasis is put on the creation of the scheduling model, the organization of the data market for scheduling problems, the designation of algorithm, and the development of application software. The development environment of the system is NT Sever4.0 system and SQL Sever7.0 database with Delphi 5.0 as the programming language.
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