About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2016/05/31  Number of Organizations 545, Number of records ALL: 2,267,359, Full text 1,716,241]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2016/5] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 258,095 (15.0%)
Thesis or Dissertation 81,880 (4.8%)
Departmental Bulletin Paper 916,425 (53.4%)
Conference Paper 30,916 (1.8%)
Presentation 8,427 (0.5%)
Book 21,603 (1.3%)
Technical Report 29,950 (1.7%)
Research Paper 54,138 (3.2%)
Article 52,610 (3.1%)
Preprint 412 (0.0%)
Learning Material 4,231 (0.2%)
Data or Dataset 53,537 (3.1%)
Software 30 (0.0%)
Others 203,987 (11.9%)
SUM 1,716,241
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 75.7 %   
Version distribution Input% 68.0 % Full text
Language distribution Input% 92.3 % Full text
NDC distribution Input% 21.8 % Full text
Fileformat distribution Input% 54.7 % Full text