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Article type: Cover
1979 Volume 29 Issue 11 Pages
Cover1-
Published: November 01, 1979
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Article type: Cover
1979 Volume 29 Issue 11 Pages
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Published: November 01, 1979
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Article type: Appendix
1979 Volume 29 Issue 11 Pages
App1-
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Article type: Index
1979 Volume 29 Issue 11 Pages
Toc1-
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Keiichi takeda
Article type: Article
1979 Volume 29 Issue 11 Pages
473-479
Published: November 01, 1979
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Hiroshi SASAKI
Article type: Article
1979 Volume 29 Issue 11 Pages
480-483
Published: November 01, 1979
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A free keyword system on newspaper scrap as a pilot system, has been operating for these 10 years. As keywords in the system are accumulated in proportion to the operation length, additional jobs are required in the keyword control and the system operation. Here convenient methods to minimize the capacity decline and to facilitate the system operation are discussed. The keywords which do not reappeared during 5 years after the last appearance in the scrap, are filed separately as non-active keyword from the main file, and the non-active keywords which have not appeared during past 10 years are omitted entirely from the file. This procedure cuts the size of the main key,word file to the quantity of the 6 years accumulation of keywords, and the size of non-active keyword file is about half of this mainfile. These file sizes are kept constant after the adoption of this procedure.
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Ryosuke Shibata
Article type: Article
1979 Volume 29 Issue 11 Pages
484-491
Published: November 01, 1979
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Article type: Appendix
1979 Volume 29 Issue 11 Pages
491-
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Katsuko Murahashi
Article type: Article
1979 Volume 29 Issue 11 Pages
492-501
Published: November 01, 1979
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yoshizo Nagasawa
Article type: Article
1979 Volume 29 Issue 11 Pages
502-504
Published: November 01, 1979
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[in Japanese]
Article type: Article
1979 Volume 29 Issue 11 Pages
505-506
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
507-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
507-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
507-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
507-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
507-508
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
508-
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
508-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
508-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
508-
Published: November 01, 1979
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H.K
Article type: Article
1979 Volume 29 Issue 11 Pages
508-509
Published: November 01, 1979
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J.F
Article type: Article
1979 Volume 29 Issue 11 Pages
509-
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J.F
Article type: Article
1979 Volume 29 Issue 11 Pages
509-
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J.F
Article type: Article
1979 Volume 29 Issue 11 Pages
509-
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J.F
Article type: Article
1979 Volume 29 Issue 11 Pages
509-517
Published: November 01, 1979
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[in Japanese]
Article type: Article
1979 Volume 29 Issue 11 Pages
510-512
Published: November 01, 1979
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[in Japanese]
Article type: Article
1979 Volume 29 Issue 11 Pages
512-
Published: November 01, 1979
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[in Japanese]
Article type: Article
1979 Volume 29 Issue 11 Pages
512-513
Published: November 01, 1979
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Article type: Appendix
1979 Volume 29 Issue 11 Pages
513-
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Article type: Appendix
1979 Volume 29 Issue 11 Pages
514-516
Published: November 01, 1979
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J.F
Article type: Article
1979 Volume 29 Issue 11 Pages
517-
Published: November 01, 1979
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Article type: Appendix
1979 Volume 29 Issue 11 Pages
518-
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Article type: Cover
1979 Volume 29 Issue 11 Pages
Cover3-
Published: November 01, 1979
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