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HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
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[2014/08/31  Number of Organizations 386, Number of records ALL: 2,188,170, Full text 1,380,696]

Content growth   
  
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Number of contents of latest month [2014/8] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 222,670 (16.1%)
Thesis or Dissertation 58,941 (4.3%)
Departmental Bulletin Paper 720,652 (52.2%)
Conference Paper 21,752 (1.6%)
Presentation 5,533 (0.4%)
Book 19,189 (1.4%)
Technical Report 15,101 (1.1%)
Research Paper 30,601 (2.2%)
Article 48,644 (3.5%)
Preprint 368 (0.0%)
Learning Material 4,008 (0.3%)
Data or Dataset 52,418 (3.8%)
Software 28 (0.0%)
Others 180,791 (13.1%)
SUM 1,380,696
Number of contents of latest month
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Analysis of content   

Ratio of full text ALL 63.1 %   
Version distribution Input% 71.2 % Full text
Language distribution Input% 93.8 % Full text
NDC distribution Input% 25.5 % Full text
Fileformat distribution Input% 61.1 % Full text