The Structural Representation And Application Of User Profile

At present, with the increasing of online electronic resources day by day, web becomes the enormous information resources gradually. How to find the information which user interested in from so huge a information storehouse becomes the focus that academia pays close attention to and urgent subject to be solved. The Internet is growing and increasing. The society calls for the steady and robust information service system. Now Information service has such a tendency that provides personal information service to user. Personal information service becomes hotspot. The personal information service can provide the user with the source that is to be needed. That is to say the question is filtering accurately. Information filtering system is a system that is suitable to the idea in which the people are first and its pay close attention to in users's interest and that offers the individualized service as object. In order to realize this, key technology among them restricts its quality of filtering result directly. This paper is about the user profile and representation of profile and its application of user profile in the field of accident.With the high-speed development of the information technology, the accident home and abroad is reported in the web immediately; The paper puts emphics on the user profile in the background that the accident news is reported in the Internet and aims to filtering system. The result of study can let users grasp the situations and emergence and take the emergency measure and make the plan of taking precautions as soon as possible. The result is also to be referenced in e-commerce, representation of knowledge and etc.This paper has proposed the structural profile. At first, it provides the formal description, the logic structure, implement and enhances the algorithm. On this basis, paper studys the situation of structual profile according to the two kinds of changes. Datas and numebers show the perfoemance of this structural profile. The system always has flaws and shortcoming. Finally, we look forward to the further work.