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We are providing statistics of Japanese Institutional Repositories DataBase. more

[2013/05/31  Number of Organizations 284, Number of records ALL: 1,580,321, Full text 1,172,117]

Content growth

Fiscal year 2013 Fiscal year 2012 Fiscal year 2011 Fiscal year 2010 Fiscal year 2009 Fiscal year 2008 Fiscal year 2007 ALL	Select Fiscal year	Full text ALL	Select ALL or Full text

Number of contents of latest month [2013/5] (Full text)

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Past number of contents (Full text)

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Breakdown of content by resource type (ratio)

Journal Article 189,086 (16.1%) Thesis or Dissertation 50,584 (4.3%) Departmental Bulletin Paper 607,597 (51.8%) Conference Paper 18,773 (1.6%) Presentation 4,874 (0.4%) Book 12,614 (1.1%) Technical Report 8,774 (0.7%) Research Paper 26,492 (2.3%) Article 41,782 (3.6%) Preprint 339 (0.0%) Learning Material 3,330 (0.3%) Data or Dataset 52,412 (4.5%) Software 26 (0.0%) Others 155,434 (13.3%) SUM 1,172,117

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Analysis of content

Ratio of full text

ALL

74.2 ％

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Version distribution

Input%

73.1 ％

Full text

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Language distribution

Input%

93.7 ％

Full text

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NDC distribution

Input%

28.5 ％

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Fileformat distribution

Input%

64.7 ％

Full text

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