Department of Information Management (Shipbuilding Information Center) of the Japan Foundation for Shipbuilding Advancement had manually prepared and published an abstracting and indexing journal (Marine Technology Research Abstracts & Index : MATRAX) from 1964 up to 1981. To meet the diversified users needs and retrieve the documents precisely, comprehensively and promptly the Center has recently computerized MATRAX compilation. The authors describe the details of the database construction, how they are operated, and outline of the Thesaurus in English. There are some subjects to be executed from now on, that is, the on-line service, English translation of Japanese articles and Japanese translation of foreign articles and preparation of Thesaurus in Japanese version.
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