About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2015/06/30  Number of Organizations 484, Number of records ALL: 2,097,089, Full text 1,545,105]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2015/6] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 236,054 (15.3%)
Thesis or Dissertation 69,685 (4.5%)
Departmental Bulletin Paper 838,252 (54.3%)
Conference Paper 24,816 (1.6%)
Presentation 6,244 (0.4%)
Book 20,189 (1.3%)
Technical Report 22,667 (1.5%)
Research Paper 34,030 (2.2%)
Article 51,249 (3.3%)
Preprint 384 (0.0%)
Learning Material 4,118 (0.3%)
Data or Dataset 52,446 (3.4%)
Software 30 (0.0%)
Others 184,941 (12.0%)
SUM 1,545,105
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 73.7 %   
Version distribution Input% 68.6 % Full text
Language distribution Input% 92.6 % Full text
NDC distribution Input% 23.1 % Full text
Fileformat distribution Input% 56.5 % Full text