Habashi M S, Abdel-Bary M A
Faculty of Engineering, Electronics and Computer Department, Ain-Shams University, Cairo, Egypt.
Med Inform (Lond). 1991 Jan-Mar;16(1):29-41. doi: 10.3109/14639239109025293.
This paper describes an expert system (ES) that aids in interpretation of some disturbances of impulse formation from electrocardiographic records. The system consists of a user interface, a knowledge base, an inference engine and an explanation facility. It is implemented using Turbo PROLOG and uses the built-in interpreter for goal proving or disproving. The user interface gets information about the case by interrogation through multiple choice or Yes/No questions. The response is processed and stored in a dynamic database. After the interview the processed data are stored in a permanent file for subsequent calls. The knowledge base contains domain rules of the If-Then variety. The inference engine supports the logic-based method of knowledge organization, which is controlled by backward-chaining. The explanation facility is able to give reasons for any fact in the dynamic database. The main diagnosis, the diagnostic criteria and the algorithm used are explained and illustrated with examples. Sample outputs of the system are also given.
本文介绍了一个专家系统（ES），它有助于从心电图记录中解释某些冲动形成紊乱的情况。该系统由用户界面、知识库、推理引擎和解释工具组成。它使用Turbo PROLOG实现，并使用内置解释器来证明或反驳目标。用户界面通过多项选择或“是/否”问题进行询问来获取有关病例的信息。响应经过处理后存储在动态数据库中。访谈结束后，处理后的数据存储在永久文件中以供后续调用。知识库包含“如果……那么……”类型的领域规则。推理引擎支持基于逻辑的知识组织方法，该方法由反向链接控制。解释工具能够为动态数据库中的任何事实提供理由。主要诊断、诊断标准和使用的算法都通过示例进行了解释和说明。还给出了该系统的示例输出。
