About Us    Help    News
    Contact Us    Japanese
Search by "Organization name" etc. : 
HOME  BROWSE We are providing statistics of Japanese Institutional Repositories DataBase.
more
[2016/06/30  Number of Organizations 550, Number of records ALL: 2,286,831, Full text 1,729,322]

Content growth   
  
Select Fiscal year
Select ALL or Full text
  
Number of contents of latest month [2016/6] (Full text)
Past number of contents (Full text)

Content growth

Breakdown of content by resource type (ratio)

Journal Article 259,114 (15.0%)
Thesis or Dissertation 83,546 (4.8%)
Departmental Bulletin Paper 924,244 (53.4%)
Conference Paper 31,476 (1.8%)
Presentation 8,475 (0.5%)
Book 21,653 (1.3%)
Technical Report 30,105 (1.7%)
Research Paper 54,250 (3.1%)
Article 52,854 (3.1%)
Preprint 411 (0.0%)
Learning Material 4,283 (0.2%)
Data or Dataset 53,539 (3.1%)
Software 30 (0.0%)
Others 205,342 (11.9%)
SUM 1,729,322
Number of contents of latest month
Detailed figure is displayed in another window by clicking.

Analysis of content   

Ratio of full text ALL 75.6 %   
Version distribution Input% 68.3 % Full text
Language distribution Input% 92.6 % Full text
NDC distribution Input% 21.7 % Full text
Fileformat distribution Input% 54.3 % Full text