A management system for the library service is proposed, where the reference experiences at the counters of libraries are accumulated in a knowledge base and the latter base works so as it guide users along the lines of their interests. The system is a guide system formed of reference tools of tree structure. In practice, the user selects any subject field according to his interest, i.e., that of the feature, the information item, the index of the reference under questions, or any tool the user wants to use. Hence, the proposed system will allow the users to share the reference experiences which have been accumulated in the libraries.

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　Advertisement could be regarded as a technology of word and language in social and economic domain, which makes economic activities closely related with life and social basic system in the modern world. This report gives the result of the bibliometric analysis on the words collected from all the titles of monthly SENDENKAIGI, the only one Japanese journal for specialists in advertisement, examining its 613 issues from 1954 to 2000. It pursued phenomenologiclally the change of Japanese economy, industry and society, and their relations have been investigated through the usage frequency of words for advertisement by decade from 1950's to 1990's, that is, from the ruins of the Second World War to the present position of one of the leading countries in the world. By studying the meaning and role of advertisement as wide as possible, even on such situations as human, society and environment besides its original role for market communication, it was phenomenologically made clear that the advertisement not only plays so important roles for suppliers to introduce their products to consumers, but also such extending roles as methods of communication to disseminate the situations of economic development and the social state to give to people the perspectives for the following decade hereafter on the economic and social direction, business concepts, and further environmental problems and international situation.

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　It is necessary for the promotion of electronization of academic journals to reduce the load of editorial committee. The J-STAGE SGML Editing Tool was developed as an electronization support system, which adds SGML tags on the text file of each paper that was converted from the DTP software after publication of the journal. It makes possible without any modification of the current editing and printing process to create the SGML data which the J-STAGE requires to accept the journal. In this paper its structure and functions are introduced, together with the discussion on the future of electronization of academic journals.

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　The global flow of information is being developed at unprecedented speed. However, users can not sufficiently utilize huge amount of information. Therefore, advanced utilization of contents of information are required. In order to realize such sophisticated utilization, it is necessary to understand meaning and characteristics of information. Therefore, the structuralization is required to represent various semantic relationships among information. In order to satisfy such requirement, we made systems for self organized knowledge resources and information retrieval based on semantic relationships. However, these systems can not make enough structuralized knowledge resources to realize sophisticated utilization. This paper reports problems which are classified and systematized at the method of an automatic extraction of hierarchical relationships which called SS-KWEJC because hierarchical relationships are the basis of semantic relationships in our concepts.

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　Among sciences including natural science, social science, and humanities, what role will be played by johogaku, information science? The author suggests a new concept that sciences can be classified in types of A series and B series. While A series are many of sciences commonly studied, B series are some special type of sciences such as mathematics, philosophy, law, and linguistics, whose characteristics are combinability with various sciences of A series. Johogaka, Information science can be characterized both A and B series. The author named the former "informtics" and the latter "informatology". This will be useful as an approach in study of the essence of johogaku, information science.

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