About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2014/06/30  Number of Organizations 374, Number of records ALL: 2,155,557, Full text 1,352,224]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2014/6] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 220,378 (16.3%)
Thesis or Dissertation 56,275 (4.2%)
Departmental Bulletin Paper 706,174 (52.2%)
Conference Paper 21,706 (1.6%)
Presentation 5,486 (0.4%)
Book 19,003 (1.4%)
Technical Report 12,133 (0.9%)
Research Paper 30,387 (2.2%)
Article 48,587 (3.6%)
Preprint 365 (0.0%)
Learning Material 3,926 (0.3%)
Data or Dataset 52,415 (3.9%)
Software 28 (0.0%)
Others 175,361 (13.0%)
SUM 1,352,224
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 62.7 %   
Version distribution Input% 71.5 % Full text
Language distribution Input% 93.7 % Full text
NDC distribution Input% 25.8 % Full text
Fileformat distribution Input% 61.5 % Full text