-
Article type: Cover
1974 Volume 24 Issue 8 Pages
Cover1-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Cover
1974 Volume 24 Issue 8 Pages
Cover2-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
App1-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
App2-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
App3-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Index
1974 Volume 24 Issue 8 Pages
Toc1-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Index
1974 Volume 24 Issue 8 Pages
Toc2-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Index
1974 Volume 24 Issue 8 Pages
Toc3-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Hiroshi Sasaki
Article type: Article
1974 Volume 24 Issue 8 Pages
293-298
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
On the keyword system of the scrap file of newspaper, the annual accumulation of keywords is calculated. And, the keyword file is classified into the groups by the frequencies of appearance in the newspaper scraps. The calculation of the size of these groups is tried. In the background of this paper, the expectation that if the newspaper scrap system is continued for several years and so has the sufficient bulky file of keyword, the number of fresh keywords which appear daily (or monthly) may be constant, will be found. The total number of keywords by annual accumulation, y, can be calculated by the following equation y=b(1+x/a){1-(1+x/a)^<-G>/p} Here a, b, p, G are the particular constants of the system, and x is the number of month from the begining of system running. Keywords can be classified into groups by the frequency of appearance on the newspaper scraps. The group which has only 1 time of appearance has the largest size. And the more the frequency is, the smaller the size is. The keyword belonged to the group with less frequency has less probability for successively appearance than those of the groups with more frequency. This probability is named ACTIVITY. The Characters of ACTIVITY may be different for various data systems, and must be surveyed in the future.
View full abstract
-
Masao Simizu
Article type: Article
1974 Volume 24 Issue 8 Pages
299-304
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1974 Volume 24 Issue 8 Pages
305-315
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Robert M. Hayes, Joseph Becker, Kimino Hosono
Article type: Article
1974 Volume 24 Issue 8 Pages
317-327
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
328-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
328-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
328-329
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
329-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
329-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
329-330
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese], [in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
330-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
330-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
330-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
331-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
[in Japanese]
Article type: Article
1974 Volume 24 Issue 8 Pages
331-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
332-336
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
336-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
337-339
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
App4-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
App5-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
341-342
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
342-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Appendix
1974 Volume 24 Issue 8 Pages
342-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS
-
Article type: Cover
1974 Volume 24 Issue 8 Pages
Cover3-
Published: August 01, 1974
Released on J-STAGE: October 20, 2017
MAGAZINE
FREE ACCESS