About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2015/02/28  Number of Organizations 437, Number of records ALL: 2,026,704, Full text 1,470,779]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2015/2] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 229,260 (15.6%)
Thesis or Dissertation 64,324 (4.4%)
Departmental Bulletin Paper 789,442 (53.7%)
Conference Paper 23,376 (1.6%)
Presentation 6,095 (0.4%)
Book 19,701 (1.3%)
Technical Report 21,628 (1.5%)
Research Paper 32,426 (2.2%)
Article 50,028 (3.4%)
Preprint 373 (0.0%)
Learning Material 4,125 (0.3%)
Data or Dataset 52,421 (3.6%)
Software 29 (0.0%)
Others 177,551 (12.1%)
SUM 1,470,779
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 72.6 %   
Version distribution Input% 69.8 % Full text
Language distribution Input% 93.5 % Full text
NDC distribution Input% 23.8 % Full text
Fileformat distribution Input% 58.5 % Full text