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决策支持系统(简称DSS)的一个主要目标是帮助决策者解决半结构的决策问题。从DSS的定义中,也可知道DSS应能支持决策过程的各个阶段。在DSS的发展过程中,许多学者致力于使DSS实现上述目标,但已有的决策支持系统绝大多数只强调决策过程中的选择阶段,而对决策问题描述和形成则缺少支持。这说明了DSS的重要组成部分——模型管理和建模支持系统的功能太弱,无法对模型的建立提供良好支持,无法对决策问题的结构化过程提供支持。
One of the major goals of Decision Support Systems (DSS) is to help decision makers solve semi-structured decision-making problems. From the definition of DSS, it is also known that DSS should support all phases of the decision-making process. During the development of DSS, many scholars devoted themselves to make DSS achieve the above goals. However, the majority of existing decision support systems only emphasize the selection phase in the decision-making process, while the lack of support for the description and formation of decision-making problems. This illustrates the key component of DSS - the model management and modeling support system is too weak to provide good support for modeling and can not support the structured process of decision-making.