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HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
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[2016/08/31  Number of Organizations 553, Number of records ALL: 2,334,584, Full text 1,765,996]

Content growth   
  
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Number of contents of latest month [2016/8] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 263,717 (14.9%)
Thesis or Dissertation 86,464 (4.9%)
Departmental Bulletin Paper 936,481 (53.0%)
Conference Paper 31,744 (1.8%)
Presentation 8,657 (0.5%)
Book 21,904 (1.2%)
Technical Report 40,534 (2.3%)
Research Paper 54,742 (3.1%)
Article 53,142 (3.0%)
Preprint 417 (0.0%)
Learning Material 4,326 (0.2%)
Data or Dataset 53,542 (3.0%)
Software 30 (0.0%)
Others 210,296 (11.9%)
SUM 1,765,996
Number of contents of latest month
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Analysis of content   

Ratio of full text ALL 75.6 %   
Version distribution Input% 67.8 % Full text
Language distribution Input% 92.7 % Full text
NDC distribution Input% 21.4 % Full text
Fileformat distribution Input% 53.6 % Full text