About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2015/01/31  Number of Organizations 417, Number of records ALL: 2,004,485, Full text 1,451,534]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2015/1] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 227,812 (15.7%)
Thesis or Dissertation 63,757 (4.4%)
Departmental Bulletin Paper 774,801 (53.4%)
Conference Paper 22,897 (1.6%)
Presentation 5,633 (0.4%)
Book 19,649 (1.4%)
Technical Report 21,861 (1.5%)
Research Paper 32,301 (2.2%)
Article 49,657 (3.4%)
Preprint 373 (0.0%)
Learning Material 4,054 (0.3%)
Data or Dataset 52,420 (3.6%)
Software 29 (0.0%)
Others 176,290 (12.1%)
SUM 1,451,534
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 72.4 %   
Version distribution Input% 70.3 % Full text
Language distribution Input% 93.5 % Full text
NDC distribution Input% 24.0 % Full text
Fileformat distribution Input% 59.1 % Full text