Design Of An Intelligent Question Answering System

With the rapid development of network technology, distance education has been paid more and more attention. In the distance education mode, teachers and students are separated from each other and can not Communicate directly. The students have to study by themselves. As one important part of remote education, question answer system on web makes it easy for students to answer their questions and get rid of the barrier in their study. It plays an important role in the communication between teachers and students, and in helping students to get information. It cannot be replaced. So the research of question Answer system on web is very important to improve both the remote education and the education in China.There are many deficiencies in the existing question answer systems on web. Some question answer systems perform the asking and answering process by Email. Though in other question answer systems, some new technologies such as key words matching, segmenting and Searching are used, they are still short of semantic understanding. So the effect is not very well.This paper mostly researches Chinese word segmentation, because it is a basal place in intelligent answering system. First, this paper will analyze the characteristics of the questions; then, research the arithmetic of Chinese word segmentation that fits intelligent answering system; research the properties of those questions based on the result of Chinese word segmentation; after those are well-know, establish the formula that computes the similitude degree between the questions. After students question, the system will automatically computer the similitude degree with the questions in Q&A database. The system returns some questions and their answers in Q&A database to students; those questions have higher similitude degree with the question that students ask.In addition, this paper presents the general design and the module design of intelligent answering system based on Chinese automatic word segmentation, this will be regarded as a reference when the system is detailedly designed.