Personalized Search Engine Research And Design

With the rapid expansion and development of the World Wide web, information in World Wide web is too high-speed growing, network magnitude of all over the word will be forty billion in the future, amount of the network will be three billion in the China, at the same time, the search engines are used more frequently. but many people are not satisfied with the searched results. because information which consumer see about in web have no use for, then will waste a great deal of time. in order to improve search efficiency, Search Engines need more to improve. Based on this circumstance, the writer at first analyses the development trend of the present information service as the bases of the thesis, then presents the conception of personalized search engine. At last the writer not only projects a whole personalized search engine system, but also realizes parts of the system.main content is: At first introduces the conception; class work machine-made; status of history; operation principle and the actual shortcomings of search engines. secondly introduces the conception and realization conditions of the personalized information service. Then it analyses the main ways and objects of the personalized information service. And finally the writer presents the future development trend of the search engines——Personalized Search Engine. then researches present examples of the personalized www information service and main technology that is needed in the design of the personalized search engine system. flowing introduces detail and analyze achieve theory, Then it analyzes the position of the Web Spider in the search engine. The paper introduces the structure and fundamental principle of the Web Spider, to combine with two open source Web Spider. Secondly, the paper designs the structure of a Web Spider. Include evaluate index, the goal of the design, and the modules of the Web Spider, which are the Web page collection module, Web page analysis module, and the Web page index module. Finally it implements all the module of the Web Spider, which realize the function of Web page collection, Web page analysis, and Web page index.