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HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
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[2014/03/31  Number of Organizations 343, Number of records ALL: 2,084,388, Full text 1,300,733]

Content growth   
  
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Number of contents of latest month [2014/3] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 214,283 (16.5%)
Thesis or Dissertation 49,429 (3.8%)
Departmental Bulletin Paper 680,037 (52.3%)
Conference Paper 21,386 (1.6%)
Presentation 5,334 (0.4%)
Book 18,496 (1.4%)
Technical Report 11,019 (0.8%)
Research Paper 29,696 (2.3%)
Article 46,275 (3.6%)
Preprint 367 (0.0%)
Learning Material 3,781 (0.3%)
Data or Dataset 52,420 (4.0%)
Software 27 (0.0%)
Others 168,183 (12.9%)
SUM 1,300,733
Number of contents of latest month
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Analysis of content   

Ratio of full text ALL 62.4 %   
Version distribution Input% 71.5 % Full text
Language distribution Input% 93.6 % Full text
NDC distribution Input% 26.6 % Full text
Fileformat distribution Input% 62.3 % Full text