【摘要】 针对投资决策系统的不确信因素 ,阐述提取指标体系不确信度的五种方法 ;并基于 D- S证据推理建立投资项目决策模型 ,最后以实例作对比研究验证该模型在不确信投资决策系统中应用的有效性和实用性更多还原

【Abstract】 In the light of the uncertain factors in the investment decision system, this paper describes how to extract the Degree of Ignorance (DOI) in comprehensive index with five methods. We establish a new model for investment decision based on D-S evidential reasoning. Comparing with other methods, an example demonstrates that the decision model is effective and practical in uncertain information system.更多还原