| With the fast development of the high-new technologies especially information technology (IT) and network communications, Internet is changing the whole world. A great number of information resources existing in the electronic or digital type of database, hypertext, and multimedia are gradually playing a leading role in the Internet times. Enormous quantity and quick transmission are the basic reasons for the Internet's being developed quickly and used widespread which meanwhile bring about a serious question, the disorder.Disordered information will fail to be understood and used effectively. So it is an urgent and significant fundamental research project about how to organize the Network Information Resources (NTR) scientifically and effectively. Although a lot of valuable achievements have been made in this domain, the research is still not perfect and is necessary to be deeper studied.The only method to make information in order is information organization. With analysis, selection, indexing, processing and so on of the external and internal characteristics of information, we make the information resources in order. The author thinks that we should use "the librarian's thought" and the theory of knowledge organization to direct and organize the NTR so as to make them highly in order. Because the attributes of knowledge are invariable no matter what way the information transmission adopts. It is pointed out in the paper that the core of further development of Organization of Network Information Resources (ONIR) is still the organization of the content of information. Under whether traditional or network environment, classification is always an important method in information organization. As the basic method and one of the tools of knowledge organization, the properties of classification organization will make itself more likely become a world-used Information Retrieval Language (IRL) and the tool used to organize and reveal NTR in the 21st century.With the use of basic principle and method of IRL, starting from discussion on the advantages of using classification organization method in NIR revelation and from application of classification in existing ONTR, the author study hard in the following aspects about the theories and the methods of classification which is used in making order of ONIR (CONTR).1. Based on the extensive network investigation, the author present that the classifications on application of organization and revelation of NIR can be divided into two network search tools, one is not based on classification (classified search engine) and the other is based on classification. The former is regarded as a networkinformation classification, which comes into being network environment. The latter is regarded as an attempt of the application of classification on Internet. The system features and the other properties of two search tools are analyzed in terms of classification retrieval language. The breakthrough and the shortcoming of the classified search engine as well as the characteristics and the unacceptability of the network search tools based on traditional classification are discussed. Furthermore, it is pointed out that the classification systems of existing network classification retrieval tools need to be reformed and developed. Only in this way can it sufficiently reveal network information, embody the network environmental features and satisfy the needs of the users.2. The points about the theories of CONIR are proposed as follow.(1) The methods to improve the network retrieval tools based on the traditional classification are put forth, so as to make the tools capable of accepting the challenges, reflecting new subjects of dynamic network information in time, enhancing the utilities, widening service domain and overcoming the backwardness of the initial technology application.(2) The CONIR includes not only the classification establishment but also the entry division and arrangement and other problems. Combining the existing network classification with the trad...
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