National Institute of Informatics

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Short name

NII

Country, city

Japan, Tokyo

04ksd4g47

Organization website

Publications

4 731

Citations

86 364

h-index

120

Top-3 journals

Lecture Notes in Computer Science (1214 publications)

Physical Review A (123 publications)

IEICE Transactions on Information and Systems (109 publications)

Top-3 organizations

University of Tokyo (757 publications)

The Graduate University for Advanced Studies (681 publications)

Japan Science and Technology Agency (252 publications)

Top-3 foreign organizations

Stanford University (141 publications)

East China Normal University (56 publications)

National Institute for Research in Digital Science and Technology (56 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Field of science

Countries

Found

Since 1991

Total publications

4731

Total citations

86364

Citations per publication

18.25

Average publications per year

135.17

Average authors per publication

4.51

h-index

120

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	100 200 300 400 500 600
Software	Software, 569, 12.03% Software 569 publications, 12.03%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 484, 10.23% Electrical and Electronic Engineering 484 publications, 10.23%
Computer Science Applications	Computer Science Applications, 391, 8.26% Computer Science Applications 391 publications, 8.26%
Hardware and Architecture	Hardware and Architecture, 362, 7.65% Hardware and Architecture 362 publications, 7.65%
Computer Networks and Communications	Computer Networks and Communications, 354, 7.48% Computer Networks and Communications 354 publications, 7.48%
Artificial Intelligence	Artificial Intelligence, 327, 6.91% Artificial Intelligence 327 publications, 6.91%
Theoretical Computer Science	Theoretical Computer Science, 288, 6.09% Theoretical Computer Science 288 publications, 6.09%
Information Systems	Information Systems, 212, 4.48% Information Systems 212 publications, 4.48%
General Computer Science	General Computer Science, 212, 4.48% General Computer Science 212 publications, 4.48%
Applied Mathematics	Applied Mathematics, 198, 4.19% Applied Mathematics 198 publications, 4.19%
Computer Vision and Pattern Recognition	Computer Vision and Pattern Recognition, 195, 4.12% Computer Vision and Pattern Recognition 195 publications, 4.12%
Computational Theory and Mathematics	Computational Theory and Mathematics, 190, 4.02% Computational Theory and Mathematics 190 publications, 4.02%
Signal Processing	Signal Processing, 170, 3.59% Signal Processing 170 publications, 3.59%
General Physics and Astronomy	General Physics and Astronomy, 154, 3.26% General Physics and Astronomy 154 publications, 3.26%
General Medicine	General Medicine, 151, 3.19% General Medicine 151 publications, 3.19%
Discrete Mathematics and Combinatorics	Discrete Mathematics and Combinatorics, 151, 3.19% Discrete Mathematics and Combinatorics 151 publications, 3.19%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 133, 2.81% Atomic and Molecular Physics, and Optics 133 publications, 2.81%
General Engineering	General Engineering, 133, 2.81% General Engineering 133 publications, 2.81%
Control and Systems Engineering	Control and Systems Engineering, 126, 2.66% Control and Systems Engineering 126 publications, 2.66%
Computer Graphics and Computer-Aided Design	Computer Graphics and Computer-Aided Design, 109, 2.3% Computer Graphics and Computer-Aided Design 109 publications, 2.3%
Computational Mathematics	Computational Mathematics, 89, 1.88% Computational Mathematics 89 publications, 1.88%
General Materials Science	General Materials Science, 86, 1.82% General Materials Science 86 publications, 1.82%
Human-Computer Interaction	Human-Computer Interaction, 82, 1.73% Human-Computer Interaction 82 publications, 1.73%
Media Technology	Media Technology, 81, 1.71% Media Technology 81 publications, 1.71%
Multidisciplinary	Multidisciplinary, 79, 1.67% Multidisciplinary 79 publications, 1.67%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 68, 1.44% Electronic, Optical and Magnetic Materials 68 publications, 1.44%
Condensed Matter Physics	Condensed Matter Physics, 59, 1.25% Condensed Matter Physics 59 publications, 1.25%
Modeling and Simulation	Modeling and Simulation, 49, 1.04% Modeling and Simulation 49 publications, 1.04%
Computer Science (miscellaneous)	Computer Science (miscellaneous), 46, 0.97% Computer Science (miscellaneous) 46 publications, 0.97%
Library and Information Sciences	Library and Information Sciences, 46, 0.97% Library and Information Sciences 46 publications, 0.97%
	100 200 300 400 500 600

Journals

	200 400 600 800 1000 1200 1400
Lecture Notes in Computer Science	Lecture Notes in Computer Science, 1214, 25.66% Lecture Notes in Computer Science 1214 publications, 25.66%
Physical Review A	Physical Review A, 123, 2.6% Physical Review A 123 publications, 2.6%
IEICE Transactions on Information and Systems	IEICE Transactions on Information and Systems, 109, 2.3% IEICE Transactions on Information and Systems 109 publications, 2.3%
Joho Chishiki Gakkaishi	Joho Chishiki Gakkaishi, 85, 1.8% Joho Chishiki Gakkaishi 85 publications, 1.8%
IEEE Access	IEEE Access, 71, 1.5% IEEE Access 71 publications, 1.5%
Transactions of the Japanese Society for Artificial Intelligence	Transactions of the Japanese Society for Artificial Intelligence, 54, 1.14% Transactions of the Japanese Society for Artificial Intelligence 54 publications, 1.14%
Proceedings of the AAAI Conference on Artificial Intelligence	Proceedings of the AAAI Conference on Artificial Intelligence, 54, 1.14% Proceedings of the AAAI Conference on Artificial Intelligence 54 publications, 1.14%
Theoretical Computer Science	Theoretical Computer Science, 44, 0.93% Theoretical Computer Science 44 publications, 0.93%
Communications in Computer and Information Science	Communications in Computer and Information Science, 43, 0.91% Communications in Computer and Information Science 43 publications, 0.91%
Physical Review B	Physical Review B, 42, 0.89% Physical Review B 42 publications, 0.89%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 40, 0.85% Proceedings of SPIE - The International Society for Optical Engineering 40 publications, 0.85%
Journal of Information Processing	Journal of Information Processing, 38, 0.8% Journal of Information Processing 38 publications, 0.8%
Journal of Combinatorial Theory. Series B	Journal of Combinatorial Theory. Series B, 38, 0.8% Journal of Combinatorial Theory. Series B 38 publications, 0.8%
Physical Review Letters	Physical Review Letters, 37, 0.78% Physical Review Letters 37 publications, 0.78%
New Journal of Physics	New Journal of Physics, 34, 0.72% New Journal of Physics 34 publications, 0.72%
IEEE Transactions on Multimedia	IEEE Transactions on Multimedia, 30, 0.63% IEEE Transactions on Multimedia 30 publications, 0.63%
IEICE Transactions on Communications	IEICE Transactions on Communications, 28, 0.59% IEICE Transactions on Communications 28 publications, 0.59%
New Generation Computing	New Generation Computing, 28, 0.59% New Generation Computing 28 publications, 0.59%
Advances in Intelligent Systems and Computing	Advances in Intelligent Systems and Computing, 28, 0.59% Advances in Intelligent Systems and Computing 28 publications, 0.59%
Advanced Robotics	Advanced Robotics, 27, 0.57% Advanced Robotics 27 publications, 0.57%
Studies in Computational Intelligence	Studies in Computational Intelligence, 24, 0.51% Studies in Computational Intelligence 24 publications, 0.51%
Algorithmica	Algorithmica, 24, 0.51% Algorithmica 24 publications, 0.51%
IEEE Internet of Things Journal	IEEE Internet of Things Journal, 22, 0.47% IEEE Internet of Things Journal 22 publications, 0.47%
Scientific Reports	Scientific Reports, 22, 0.47% Scientific Reports 22 publications, 0.47%
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 21, 0.44% IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 21 publications, 0.44%
IEEE Transactions on Image Processing	IEEE Transactions on Image Processing, 21, 0.44% IEEE Transactions on Image Processing 21 publications, 0.44%
Graphs and Combinatorics	Graphs and Combinatorics, 21, 0.44% Graphs and Combinatorics 21 publications, 0.44%
Journal of the Robotics Society of Japan	Journal of the Robotics Society of Japan, 21, 0.44% Journal of the Robotics Society of Japan 21 publications, 0.44%
Discrete Mathematics	Discrete Mathematics, 20, 0.42% Discrete Mathematics 20 publications, 0.42%
IEEE/ACM Transactions on Audio Speech and Language Processing	IEEE/ACM Transactions on Audio Speech and Language Processing, 20, 0.42% IEEE/ACM Transactions on Audio Speech and Language Processing 20 publications, 0.42%
	200 400 600 800 1000 1200 1400

Publishers

	200 400 600 800 1000 1200 1400 1600 1800 2000
Springer Nature	Springer Nature, 1998, 42.23% Springer Nature 1998 publications, 42.23%
Elsevier	Elsevier, 489, 10.34% Elsevier 489 publications, 10.34%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 479, 10.12% Institute of Electrical and Electronics Engineers (IEEE) 479 publications, 10.12%
American Physical Society (APS)	American Physical Society (APS), 230, 4.86% American Physical Society (APS) 230 publications, 4.86%
Institute of Electronics, Information and Communications Engineers (IEICE)	Institute of Electronics, Information and Communications Engineers (IEICE), 169, 3.57% Institute of Electronics, Information and Communications Engineers (IEICE) 169 publications, 3.57%
Association for Computing Machinery (ACM)	Association for Computing Machinery (ACM), 140, 2.96% Association for Computing Machinery (ACM) 140 publications, 2.96%
Wiley	Wiley, 117, 2.47% Wiley 117 publications, 2.47%
Japan Society of Information and Knowledge	Japan Society of Information and Knowledge, 89, 1.88% Japan Society of Information and Knowledge 89 publications, 1.88%
IOP Publishing	IOP Publishing, 76, 1.61% IOP Publishing 76 publications, 1.61%
MDPI	MDPI, 64, 1.35% MDPI 64 publications, 1.35%
Association for the Advancement of Artificial Intelligence (AAAI)	Association for the Advancement of Artificial Intelligence (AAAI), 64, 1.35% Association for the Advancement of Artificial Intelligence (AAAI) 64 publications, 1.35%
Taylor & Francis	Taylor & Francis, 59, 1.25% Taylor & Francis 59 publications, 1.25%
The Japanese Society for Artificial Intelligence	The Japanese Society for Artificial Intelligence, 54, 1.14% The Japanese Society for Artificial Intelligence 54 publications, 1.14%
Information Processing Society of Japan	Information Processing Society of Japan, 52, 1.1% Information Processing Society of Japan 52 publications, 1.1%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 42, 0.89% SPIE-Intl Soc Optical Eng 42 publications, 0.89%
Japan Society of Mechanical Engineers	Japan Society of Mechanical Engineers, 39, 0.82% Japan Society of Mechanical Engineers 39 publications, 0.82%
Oxford University Press	Oxford University Press, 36, 0.76% Oxford University Press 36 publications, 0.76%
World Scientific	World Scientific, 33, 0.7% World Scientific 33 publications, 0.7%
IOS Press	IOS Press, 29, 0.61% IOS Press 29 publications, 0.61%
Cambridge University Press	Cambridge University Press, 26, 0.55% Cambridge University Press 26 publications, 0.55%
Frontiers Media S.A.	Frontiers Media S.A., 24, 0.51% Frontiers Media S.A. 24 publications, 0.51%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 21, 0.44% Public Library of Science (PLoS) 21 publications, 0.44%
Inderscience Publishers	Inderscience Publishers, 21, 0.44% Inderscience Publishers 21 publications, 0.44%
The Robotics Society of Japan	The Robotics Society of Japan, 21, 0.44% The Robotics Society of Japan 21 publications, 0.44%
IGI Global	IGI Global, 19, 0.4% IGI Global 19 publications, 0.4%
Institute of Electrical Engineers of Japan (IEE Japan)	Institute of Electrical Engineers of Japan (IEE Japan), 17, 0.36% Institute of Electrical Engineers of Japan (IEE Japan) 17 publications, 0.36%
Society for Industrial and Applied Mathematics (SIAM)	Society for Industrial and Applied Mathematics (SIAM), 16, 0.34% Society for Industrial and Applied Mathematics (SIAM) 16 publications, 0.34%
Japan Society for Fuzzy Theory and Intelligent Informatics	Japan Society for Fuzzy Theory and Intelligent Informatics, 16, 0.34% Japan Society for Fuzzy Theory and Intelligent Informatics 16 publications, 0.34%
Emerald	Emerald, 15, 0.32% Emerald 15 publications, 0.32%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 15, 0.32% Institution of Engineering and Technology (IET) 15 publications, 0.32%
	200 400 600 800 1000 1200 1400 1600 1800 2000

With other organizations

	100 200 300 400 500 600 700 800
University of Tokyo	University of Tokyo, 757, 16% University of Tokyo 757 publications, 16%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 681, 14.39% The Graduate University for Advanced Studies 681 publications, 14.39%
Japan Science and Technology Agency	Japan Science and Technology Agency, 252, 5.33% Japan Science and Technology Agency 252 publications, 5.33%
Kyoto University	Kyoto University, 177, 3.74% Kyoto University 177 publications, 3.74%
Tokyo Institute of Technology	Tokyo Institute of Technology, 171, 3.61% Tokyo Institute of Technology 171 publications, 3.61%
Stanford University	Stanford University, 141, 2.98% Stanford University 141 publications, 2.98%
University of Electro-Communications	University of Electro-Communications, 139, 2.94% University of Electro-Communications 139 publications, 2.94%
Nagoya University	Nagoya University, 137, 2.9% Nagoya University 137 publications, 2.9%
RIKEN-Institute of Physical and Chemical Research	RIKEN-Institute of Physical and Chemical Research, 118, 2.49% RIKEN-Institute of Physical and Chemical Research 118 publications, 2.49%
Osaka University	Osaka University, 106, 2.24% Osaka University 106 publications, 2.24%
Keio University	Keio University, 105, 2.22% Keio University 105 publications, 2.22%
Waseda University	Waseda University, 102, 2.16% Waseda University 102 publications, 2.16%
Hokkaido University	Hokkaido University, 97, 2.05% Hokkaido University 97 publications, 2.05%
University of Tsukuba	University of Tsukuba, 95, 2.01% University of Tsukuba 95 publications, 2.01%
Tohoku University	Tohoku University, 90, 1.9% Tohoku University 90 publications, 1.9%
National Institute of Advanced Industrial Science and Technology	National Institute of Advanced Industrial Science and Technology, 90, 1.9% National Institute of Advanced Industrial Science and Technology 90 publications, 1.9%
Kyushu University	Kyushu University, 88, 1.86% Kyushu University 88 publications, 1.86%
Japan Advanced Institute of Science and Technology	Japan Advanced Institute of Science and Technology, 68, 1.44% Japan Advanced Institute of Science and Technology 68 publications, 1.44%
East China Normal University	East China Normal University, 56, 1.18% East China Normal University 56 publications, 1.18%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 56, 1.18% National Institute for Research in Digital Science and Technology 56 publications, 1.18%
New York University Shanghai	New York University Shanghai, 55, 1.16% New York University Shanghai 55 publications, 1.16%
New York University	New York University, 50, 1.06% New York University 50 publications, 1.06%
National Institute of Genetics	National Institute of Genetics, 49, 1.04% National Institute of Genetics 49 publications, 1.04%
National University of Singapore	National University of Singapore, 47, 0.99% National University of Singapore 47 publications, 0.99%
National Institute of Information and Communications Technology	National Institute of Information and Communications Technology, 47, 0.99% National Institute of Information and Communications Technology 47 publications, 0.99%
Chuo University	Chuo University, 47, 0.99% Chuo University 47 publications, 0.99%
Vietnam National University Ho Chi Minh City	Vietnam National University Ho Chi Minh City, 45, 0.95% Vietnam National University Ho Chi Minh City 45 publications, 0.95%
Shinshu University	Shinshu University, 45, 0.95% Shinshu University 45 publications, 0.95%
Xidian University	Xidian University, 42, 0.89% Xidian University 42 publications, 0.89%
Kobe University	Kobe University, 40, 0.85% Kobe University 40 publications, 0.85%
	100 200 300 400 500 600 700 800

With foreign organizations

	20 40 60 80 100 120 140 160
Stanford University	Stanford University, 141, 2.98% Stanford University 141 publications, 2.98%
East China Normal University	East China Normal University, 56, 1.18% East China Normal University 56 publications, 1.18%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 56, 1.18% National Institute for Research in Digital Science and Technology 56 publications, 1.18%
New York University Shanghai	New York University Shanghai, 55, 1.16% New York University Shanghai 55 publications, 1.16%
New York University	New York University, 50, 1.06% New York University 50 publications, 1.06%
National University of Singapore	National University of Singapore, 47, 0.99% National University of Singapore 47 publications, 0.99%
Vietnam National University Ho Chi Minh City	Vietnam National University Ho Chi Minh City, 45, 0.95% Vietnam National University Ho Chi Minh City 45 publications, 0.95%
Xidian University	Xidian University, 42, 0.89% Xidian University 42 publications, 0.89%
Sorbonne University	Sorbonne University, 39, 0.82% Sorbonne University 39 publications, 0.82%
Peking University	Peking University, 37, 0.78% Peking University 37 publications, 0.78%
Wuhan University	Wuhan University, 36, 0.76% Wuhan University 36 publications, 0.76%
University of Science and Technology of China	University of Science and Technology of China, 35, 0.74% University of Science and Technology of China 35 publications, 0.74%
University of Waterloo	University of Waterloo, 34, 0.72% University of Waterloo 34 publications, 0.72%
Julius Maximilian University of Würzburg	Julius Maximilian University of Würzburg, 33, 0.7% Julius Maximilian University of Würzburg 33 publications, 0.7%
Imperial College London	Imperial College London, 31, 0.66% Imperial College London 31 publications, 0.66%
University of Edinburgh	University of Edinburgh, 28, 0.59% University of Edinburgh 28 publications, 0.59%
ETH Zurich	ETH Zurich, 27, 0.57% ETH Zurich 27 publications, 0.57%
University of Oxford	University of Oxford, 26, 0.55% University of Oxford 26 publications, 0.55%
Vienna University of Technology	Vienna University of Technology, 25, 0.53% Vienna University of Technology 25 publications, 0.53%
University of Bristol	University of Bristol, 24, 0.51% University of Bristol 24 publications, 0.51%
Tongji University	Tongji University, 23, 0.49% Tongji University 23 publications, 0.49%
University of Melbourne	University of Melbourne, 23, 0.49% University of Melbourne 23 publications, 0.49%
Chulalongkorn University	Chulalongkorn University, 23, 0.49% Chulalongkorn University 23 publications, 0.49%
Asian Institute of Technology	Asian Institute of Technology, 23, 0.49% Asian Institute of Technology 23 publications, 0.49%
Tsinghua University	Tsinghua University, 22, 0.47% Tsinghua University 22 publications, 0.47%
University of Queensland	University of Queensland, 22, 0.47% University of Queensland 22 publications, 0.47%
University of Alberta	University of Alberta, 22, 0.47% University of Alberta 22 publications, 0.47%
Shanghai Jiao Tong University	Shanghai Jiao Tong University, 21, 0.44% Shanghai Jiao Tong University 21 publications, 0.44%
VTT Technical Research Centre of Finland	VTT Technical Research Centre of Finland, 21, 0.44% VTT Technical Research Centre of Finland 21 publications, 0.44%
Carleton University	Carleton University, 21, 0.44% Carleton University 21 publications, 0.44%
	20 40 60 80 100 120 140 160

With other countries

	100 200 300 400 500 600
USA	USA, 555, 11.73% USA 555 publications, 11.73%
China	China, 532, 11.24% China 532 publications, 11.24%
United Kingdom	United Kingdom, 310, 6.55% United Kingdom 310 publications, 6.55%
France	France, 271, 5.73% France 271 publications, 5.73%
Germany	Germany, 258, 5.45% Germany 258 publications, 5.45%
Canada	Canada, 140, 2.96% Canada 140 publications, 2.96%
Italy	Italy, 114, 2.41% Italy 114 publications, 2.41%
Australia	Australia, 106, 2.24% Australia 106 publications, 2.24%
Vietnam	Vietnam, 98, 2.07% Vietnam 98 publications, 2.07%
Thailand	Thailand, 69, 1.46% Thailand 69 publications, 1.46%
Singapore	Singapore, 66, 1.4% Singapore 66 publications, 1.4%
Austria	Austria, 63, 1.33% Austria 63 publications, 1.33%
Spain	Spain, 60, 1.27% Spain 60 publications, 1.27%
Switzerland	Switzerland, 58, 1.23% Switzerland 58 publications, 1.23%
Finland	Finland, 55, 1.16% Finland 55 publications, 1.16%
India	India, 52, 1.1% India 52 publications, 1.1%
Republic of Korea	Republic of Korea, 48, 1.01% Republic of Korea 48 publications, 1.01%
Netherlands	Netherlands, 42, 0.89% Netherlands 42 publications, 0.89%
Portugal	Portugal, 40, 0.85% Portugal 40 publications, 0.85%
Norway	Norway, 30, 0.63% Norway 30 publications, 0.63%
Sweden	Sweden, 29, 0.61% Sweden 29 publications, 0.61%
Belgium	Belgium, 28, 0.59% Belgium 28 publications, 0.59%
Czech Republic	Czech Republic, 28, 0.59% Czech Republic 28 publications, 0.59%
Denmark	Denmark, 24, 0.51% Denmark 24 publications, 0.51%
Russia	Russia, 23, 0.49% Russia 23 publications, 0.49%
Brazil	Brazil, 22, 0.47% Brazil 22 publications, 0.47%
Iran	Iran, 14, 0.3% Iran 14 publications, 0.3%
Ireland	Ireland, 14, 0.3% Ireland 14 publications, 0.3%
Malaysia	Malaysia, 12, 0.25% Malaysia 12 publications, 0.25%
	100 200 300 400 500 600

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1991 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.