回顾遗传算法的理论和应用研究方面的进展，定义了新的变异算子。
Research in basic theory of GA and its application are retrospected and a new mutation operator, combinational mutation, is defined.
主要包括：1、遗传算法在物化视图中的应用研究。
Mostly including: 1, Research on materialized view's optimizing algorithm in the data warehouse.
主要包括：1、遗传算法在物化视图中的应用研究。
Mostly including: 1, Research on materialized view's optimizing algorithm in the data warehouse.
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