The Research Of Automatic Question Answering System On The Basis Of Case Reasoning Mechanism

Socrates defines man as a kind of existence who can give rational answers to rational questions, on which our automatic answering system is based. Aiming at the technological trends towards the network answering system, first this essay fixes the ethical principles which the automatic answering system must follow from the aspect of relation between technology and thought.From the aspect of question-and-answer theory, this essay emphasizes the answering psychology and strengthens the process of answering; it proposes a framework of automatic answering system which is based on CBR. Automatic answering system should reflect the dynamic answering process, give the students enough time to comprehend, think, imagine and evaluate the question, meanwhile it help the students to build up the Scaffolding of answering questions, and give formative evaluation. This system consists of three modules-pre-handling the questions, answering the questions, analyzing the answers, and these three modules make the system more technological, educational and dynamic.Since the questions, in Course of Information Technology in senior school, belongs to regular questions, they are of programmed, semi-structuring and highly dependence of situation. Based on the support of the above framework, this essay applies the model B/S and the technology of PHP to designed and developed an automatic answering system to "Course of Information Technology-for Senior Student". This system comprises five modules which conclude User Management, The Establishment of Questions, the Submission of Answers, Automatic Answering, The Analysis of Answers, and among them, the most important thing is the achievement of the module of automatic answering. At last, the prosperity of the automatic system is based on the following two. On the one hand, we can combine artificial intelligence technology with the answering to the questions, thus intelligent answering system, i.e. the Agent of answering of the questions, will soon be invented. On the other hand, virtual reality technology and the answering of questions will give rise to a micro-world which tends to acts as games.