【摘要】 <正> DIES系统是一建造基于知识的自动问题求解器的领域独立专家系统.在该系统中其描述性知识和规范知识(规则)均为知识库中的标准类型项.DIES系统具有双重结构,即认知系统和求解系统,并可满足下列要求。更多还原

【Abstract】 In this paper,the structure and the functional features of the DIES system are described. DIES represents an intelligent problem solver based on both declarative and normative knowledge. It is able to combine backward and forward inferences and to explain the derived reasoning line as well as the causes of features. Also,it can modify and yet keep consistent the knowledge it accumu-lates.更多还原