Study On Web Information Accurately Acquisition And Application

With the development of Internet, World Wide Web has become a huge distributed information space, which provides users a massive and valuable information resources. But with Web's rapid growth, obtaining accurately and quickly what users need on WWW is getting more and more difficult because of Internet's opening and heterogeneity. How to quickly, accurately find the needed information from many information resources has become a difficult problem that puzzles the Internet users.In order to solve the problem of finding effective information for Internet, the idea of Web text mining is leaded into the field of WWW information handling in paper. In this paper, the features of the Web information resources acquisition system on WWW is described and some issures of the system structure and implementation techniques is analyzed. By entirely retrospecting the tools and technology, the main exiting problems and limitations of present retrival tools are summarized ?including:Unscientific retrieval means, unreasonable retrieval methods, singleness of result displaying, weak capability for personalization, low intelligent function, and so on. In the field of Internet information handling, two key techniques aiming at information classification and information extractions are discussed. Also, in this paper, promoting a resolution and search algorithm of information acquisition accurately.The development of Web information acquisition is firstly discussed in this paper. The design idea and related technique realization of Web Information Acquisition System are also discussed in this paper. The project and the improvement of future are summarized lastly.