摘要： 提出了COTS软构件选择的两阶段决策模型：第1阶段通过案例检索方法进行构件初选；第2阶段利用(0-1)整数目标规划，选出最优构件组合。先进行案例检索，再进行目标规划求解的两阶段方法，减少了计算的复杂度，提高了决策的合理性。

关键词: COTS, 构件选择, 案例检索, 目标规划

Abstract: A two-period decision model for COTS software component selection is presented. In the first period, the initial candidates are selected by case-based retrieval. In the second period, a (0-1) integer goal programming model is applied to decide the final candidates. The two-period method declines the complexity of computation and increases the rationality of selection.

Key words: Commercial off-the-shelf(COTS), Component selection, Case-based retrieval, Goal programming

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• yuanxinwei1975@sina.com