About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2014/11/30  Number of Organizations 404, Number of records ALL: 1,936,133, Full text 1,427,675]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2014/11] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 225,584 (15.8%)
Thesis or Dissertation 61,424 (4.3%)
Departmental Bulletin Paper 761,870 (53.4%)
Conference Paper 22,589 (1.6%)
Presentation 5,604 (0.4%)
Book 19,589 (1.4%)
Technical Report 18,661 (1.3%)
Research Paper 31,746 (2.2%)
Article 49,450 (3.5%)
Preprint 375 (0.0%)
Learning Material 4,042 (0.3%)
Data or Dataset 52,418 (3.7%)
Software 29 (0.0%)
Others 174,294 (12.2%)
SUM 1,427,675
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% 70.4 % Full text
Language distribution Input% 93.4 % Full text
NDC distribution Input% 24.7 % Full text
Fileformat distribution Input% 59.5 % Full text