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Article type: Cover
1977 Volume 27 Issue 2 Pages
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Article type: Cover
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Index
1977 Volume 27 Issue 2 Pages
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Hiroshi YOKOO, Satoko TAKAHASHI, Tadashi HABARA
Article type: Article
1977 Volume 27 Issue 2 Pages
45-54
Published: February 01, 1977
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A test was carried out on the quality of indexing data which is based only upon author-assigned keywords in order to appreciate effectiveness of the keywords. As measures of the quality, the retrievability and the consistency of the indexing data were evaluated by comparison with the case of the conventional indexing method under the circumstances of the INIS descriptor assignment to the journal articles of the Atomic Energy Society of Japan. The indexing consistency obtained was approximately 0.61 on an average (or 0.66 when the narrower-broader hierarchical relations were regarded as consistent ones). Of the hit, noise, or total documents retrieved with the conventional indexing data, 0.86, 0.27, or 0.71, respectively, were retrievable with the keywords-based indexing data. From the results the recall ratio for the keywords-based indexing is estimated to be no less than 0.86 of that for the conventional indexing method, and the consistency of the hit documents are to be 0.75 at least. Consequently, the author-assigned keywords proved to be very effective to the document indexing.
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Mitsuaki Toda
Article type: Article
1977 Volume 27 Issue 2 Pages
55-63
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Toshiaki Uematsu
Article type: Article
1977 Volume 27 Issue 2 Pages
65-70
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Takaya Totsuka
Article type: Article
1977 Volume 27 Issue 2 Pages
71-73
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
74-75
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[in Japanese], [in Japanese]
Article type: Article
1977 Volume 27 Issue 2 Pages
76-78
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Jack AMANO Jr.
Article type: Article
1977 Volume 27 Issue 2 Pages
79-80
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TM
Article type: Article
1977 Volume 27 Issue 2 Pages
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TM
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1977 Volume 27 Issue 2 Pages
80-81
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TM
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1977 Volume 27 Issue 2 Pages
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TM
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1977 Volume 27 Issue 2 Pages
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Article type: Article
1977 Volume 27 Issue 2 Pages
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TM
Article type: Article
1977 Volume 27 Issue 2 Pages
81-82
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TM
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1977 Volume 27 Issue 2 Pages
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1977 Volume 27 Issue 2 Pages
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TM
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1977 Volume 27 Issue 2 Pages
82-93
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
83-87
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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Article type: Appendix
1977 Volume 27 Issue 2 Pages
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