National Institute of Informatics

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Short name

NII

Country, city

Japan, Tokyo

04ksd4g47

Organization website

Publications

4 948

Citations

94 697

h-index

125

Top-3 journals

Lecture Notes in Computer Science (1227 publications)

Physical Review A (126 publications)

IEICE Transactions on Information and Systems (110 publications)

Top-3 organizations

University of Tokyo (789 publications)

The Graduate University for Advanced Studies (712 publications)

Japan Science and Technology Agency (256 publications)

Top-3 foreign organizations

Stanford University (141 publications)

National Institute for Research in Digital Science and Technology (62 publications)

East China Normal University (56 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1991

Total publications

4948

Total citations

94697

Citations per publication

19.14

Average publications per year

137.44

Average authors per publication

4.57

h-index

125

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, 11.5% Software 569 publications, 11.5%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 484, 9.78% Electrical and Electronic Engineering 484 publications, 9.78%
Computer Science Applications	Computer Science Applications, 391, 7.9% Computer Science Applications 391 publications, 7.9%
Hardware and Architecture	Hardware and Architecture, 362, 7.32% Hardware and Architecture 362 publications, 7.32%
Computer Networks and Communications	Computer Networks and Communications, 354, 7.15% Computer Networks and Communications 354 publications, 7.15%
Artificial Intelligence	Artificial Intelligence, 327, 6.61% Artificial Intelligence 327 publications, 6.61%
Theoretical Computer Science	Theoretical Computer Science, 291, 5.88% Theoretical Computer Science 291 publications, 5.88%
Information Systems	Information Systems, 212, 4.28% Information Systems 212 publications, 4.28%
General Computer Science	General Computer Science, 212, 4.28% General Computer Science 212 publications, 4.28%
Applied Mathematics	Applied Mathematics, 201, 4.06% Applied Mathematics 201 publications, 4.06%
Computer Vision and Pattern Recognition	Computer Vision and Pattern Recognition, 195, 3.94% Computer Vision and Pattern Recognition 195 publications, 3.94%
Computational Theory and Mathematics	Computational Theory and Mathematics, 193, 3.9% Computational Theory and Mathematics 193 publications, 3.9%
Signal Processing	Signal Processing, 170, 3.44% Signal Processing 170 publications, 3.44%
Discrete Mathematics and Combinatorics	Discrete Mathematics and Combinatorics, 155, 3.13% Discrete Mathematics and Combinatorics 155 publications, 3.13%
General Physics and Astronomy	General Physics and Astronomy, 154, 3.11% General Physics and Astronomy 154 publications, 3.11%
General Medicine	General Medicine, 152, 3.07% General Medicine 152 publications, 3.07%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 133, 2.69% Atomic and Molecular Physics, and Optics 133 publications, 2.69%
General Engineering	General Engineering, 133, 2.69% General Engineering 133 publications, 2.69%
Control and Systems Engineering	Control and Systems Engineering, 126, 2.55% Control and Systems Engineering 126 publications, 2.55%
Computer Graphics and Computer-Aided Design	Computer Graphics and Computer-Aided Design, 109, 2.2% Computer Graphics and Computer-Aided Design 109 publications, 2.2%
Computational Mathematics	Computational Mathematics, 89, 1.8% Computational Mathematics 89 publications, 1.8%
General Materials Science	General Materials Science, 86, 1.74% General Materials Science 86 publications, 1.74%
Human-Computer Interaction	Human-Computer Interaction, 82, 1.66% Human-Computer Interaction 82 publications, 1.66%
Media Technology	Media Technology, 81, 1.64% Media Technology 81 publications, 1.64%
Multidisciplinary	Multidisciplinary, 79, 1.6% Multidisciplinary 79 publications, 1.6%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 68, 1.37% Electronic, Optical and Magnetic Materials 68 publications, 1.37%
Condensed Matter Physics	Condensed Matter Physics, 59, 1.19% Condensed Matter Physics 59 publications, 1.19%
Modeling and Simulation	Modeling and Simulation, 49, 0.99% Modeling and Simulation 49 publications, 0.99%
Computer Science (miscellaneous)	Computer Science (miscellaneous), 46, 0.93% Computer Science (miscellaneous) 46 publications, 0.93%
Library and Information Sciences	Library and Information Sciences, 46, 0.93% Library and Information Sciences 46 publications, 0.93%
	100 200 300 400 500 600

Journals

	200 400 600 800 1000 1200 1400
Lecture Notes in Computer Science	Lecture Notes in Computer Science, 1227, 24.8% Lecture Notes in Computer Science 1227 publications, 24.8%
Physical Review A	Physical Review A, 126, 2.55% Physical Review A 126 publications, 2.55%
IEICE Transactions on Information and Systems	IEICE Transactions on Information and Systems, 110, 2.22% IEICE Transactions on Information and Systems 110 publications, 2.22%
Joho Chishiki Gakkaishi	Joho Chishiki Gakkaishi, 85, 1.72% Joho Chishiki Gakkaishi 85 publications, 1.72%
IEEE Access	IEEE Access, 84, 1.7% IEEE Access 84 publications, 1.7%
Proceedings of the AAAI Conference on Artificial Intelligence	Proceedings of the AAAI Conference on Artificial Intelligence, 60, 1.21% Proceedings of the AAAI Conference on Artificial Intelligence 60 publications, 1.21%
Transactions of the Japanese Society for Artificial Intelligence	Transactions of the Japanese Society for Artificial Intelligence, 54, 1.09% Transactions of the Japanese Society for Artificial Intelligence 54 publications, 1.09%
Theoretical Computer Science	Theoretical Computer Science, 45, 0.91% Theoretical Computer Science 45 publications, 0.91%
Communications in Computer and Information Science	Communications in Computer and Information Science, 43, 0.87% Communications in Computer and Information Science 43 publications, 0.87%
Physical Review B	Physical Review B, 43, 0.87% Physical Review B 43 publications, 0.87%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 40, 0.81% Proceedings of SPIE - The International Society for Optical Engineering 40 publications, 0.81%
Journal of Combinatorial Theory. Series B	Journal of Combinatorial Theory. Series B, 39, 0.79% Journal of Combinatorial Theory. Series B 39 publications, 0.79%
Journal of Information Processing	Journal of Information Processing, 38, 0.77% Journal of Information Processing 38 publications, 0.77%
Physical Review Letters	Physical Review Letters, 37, 0.75% Physical Review Letters 37 publications, 0.75%
New Journal of Physics	New Journal of Physics, 34, 0.69% New Journal of Physics 34 publications, 0.69%
IEEE Transactions on Multimedia	IEEE Transactions on Multimedia, 30, 0.61% IEEE Transactions on Multimedia 30 publications, 0.61%
Advanced Robotics	Advanced Robotics, 30, 0.61% Advanced Robotics 30 publications, 0.61%
IEICE Transactions on Communications	IEICE Transactions on Communications, 29, 0.59% IEICE Transactions on Communications 29 publications, 0.59%
New Generation Computing	New Generation Computing, 28, 0.57% New Generation Computing 28 publications, 0.57%
Advances in Intelligent Systems and Computing	Advances in Intelligent Systems and Computing, 28, 0.57% Advances in Intelligent Systems and Computing 28 publications, 0.57%
IEEE Internet of Things Journal	IEEE Internet of Things Journal, 26, 0.53% IEEE Internet of Things Journal 26 publications, 0.53%
Studies in Computational Intelligence	Studies in Computational Intelligence, 25, 0.51% Studies in Computational Intelligence 25 publications, 0.51%
Algorithmica	Algorithmica, 25, 0.51% Algorithmica 25 publications, 0.51%
Scientific Reports	Scientific Reports, 24, 0.49% Scientific Reports 24 publications, 0.49%
IEEE Transactions on Vehicular Technology	IEEE Transactions on Vehicular Technology, 23, 0.46% IEEE Transactions on Vehicular Technology 23 publications, 0.46%
Graphs and Combinatorics	Graphs and Combinatorics, 22, 0.44% Graphs and Combinatorics 22 publications, 0.44%
PLoS ONE	PLoS ONE, 22, 0.44% PLoS ONE 22 publications, 0.44%
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 21, 0.42% IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 21 publications, 0.42%
International journal of computer assisted radiology and surgery	International journal of computer assisted radiology and surgery, 21, 0.42% International journal of computer assisted radiology and surgery 21 publications, 0.42%
IEEE Transactions on Image Processing	IEEE Transactions on Image Processing, 21, 0.42% IEEE Transactions on Image Processing 21 publications, 0.42%
	200 400 600 800 1000 1200 1400

Publishers

	500 1000 1500 2000 2500
Springer Nature	Springer Nature, 2041, 41.25% Springer Nature 2041 publications, 41.25%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 538, 10.87% Institute of Electrical and Electronics Engineers (IEEE) 538 publications, 10.87%
Elsevier	Elsevier, 515, 10.41% Elsevier 515 publications, 10.41%
American Physical Society (APS)	American Physical Society (APS), 234, 4.73% American Physical Society (APS) 234 publications, 4.73%
Institute of Electronics, Information and Communications Engineers (IEICE)	Institute of Electronics, Information and Communications Engineers (IEICE), 170, 3.44% Institute of Electronics, Information and Communications Engineers (IEICE) 170 publications, 3.44%
Association for Computing Machinery (ACM)	Association for Computing Machinery (ACM), 153, 3.09% Association for Computing Machinery (ACM) 153 publications, 3.09%
Wiley	Wiley, 119, 2.41% Wiley 119 publications, 2.41%
Japan Society of Information and Knowledge	Japan Society of Information and Knowledge, 89, 1.8% Japan Society of Information and Knowledge 89 publications, 1.8%
IOP Publishing	IOP Publishing, 78, 1.58% IOP Publishing 78 publications, 1.58%
Association for the Advancement of Artificial Intelligence (AAAI)	Association for the Advancement of Artificial Intelligence (AAAI), 74, 1.5% Association for the Advancement of Artificial Intelligence (AAAI) 74 publications, 1.5%
MDPI	MDPI, 67, 1.35% MDPI 67 publications, 1.35%
Taylor & Francis	Taylor & Francis, 64, 1.29% Taylor & Francis 64 publications, 1.29%
The Japanese Society for Artificial Intelligence	The Japanese Society for Artificial Intelligence, 54, 1.09% The Japanese Society for Artificial Intelligence 54 publications, 1.09%
Information Processing Society of Japan	Information Processing Society of Japan, 52, 1.05% Information Processing Society of Japan 52 publications, 1.05%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 42, 0.85% SPIE-Intl Soc Optical Eng 42 publications, 0.85%
Japan Society of Mechanical Engineers	Japan Society of Mechanical Engineers, 39, 0.79% Japan Society of Mechanical Engineers 39 publications, 0.79%
Oxford University Press	Oxford University Press, 37, 0.75% Oxford University Press 37 publications, 0.75%
World Scientific	World Scientific, 33, 0.67% World Scientific 33 publications, 0.67%
IOS Press	IOS Press, 30, 0.61% IOS Press 30 publications, 0.61%
Cambridge University Press	Cambridge University Press, 29, 0.59% Cambridge University Press 29 publications, 0.59%
Frontiers Media S.A.	Frontiers Media S.A., 29, 0.59% Frontiers Media S.A. 29 publications, 0.59%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 23, 0.46% Public Library of Science (PLoS) 23 publications, 0.46%
Inderscience Publishers	Inderscience Publishers, 21, 0.42% Inderscience Publishers 21 publications, 0.42%
The Robotics Society of Japan	The Robotics Society of Japan, 21, 0.42% The Robotics Society of Japan 21 publications, 0.42%
IGI Global	IGI Global, 19, 0.38% IGI Global 19 publications, 0.38%
Society for Industrial and Applied Mathematics (SIAM)	Society for Industrial and Applied Mathematics (SIAM), 17, 0.34% Society for Industrial and Applied Mathematics (SIAM) 17 publications, 0.34%
Institute of Electrical Engineers of Japan (IEE Japan)	Institute of Electrical Engineers of Japan (IEE Japan), 17, 0.34% Institute of Electrical Engineers of Japan (IEE Japan) 17 publications, 0.34%
Japan Society for Fuzzy Theory and Intelligent Informatics	Japan Society for Fuzzy Theory and Intelligent Informatics, 16, 0.32% Japan Society for Fuzzy Theory and Intelligent Informatics 16 publications, 0.32%
Emerald	Emerald, 15, 0.3% Emerald 15 publications, 0.3%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 15, 0.3% Institution of Engineering and Technology (IET) 15 publications, 0.3%
	500 1000 1500 2000 2500

With other organizations

	100 200 300 400 500 600 700 800
University of Tokyo	University of Tokyo, 789, 15.95% University of Tokyo 789 publications, 15.95%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 712, 14.39% The Graduate University for Advanced Studies 712 publications, 14.39%
Japan Science and Technology Agency	Japan Science and Technology Agency, 256, 5.17% Japan Science and Technology Agency 256 publications, 5.17%
Kyoto University	Kyoto University, 184, 3.72% Kyoto University 184 publications, 3.72%
Tokyo Institute of Technology	Tokyo Institute of Technology, 179, 3.62% Tokyo Institute of Technology 179 publications, 3.62%
Nagoya University	Nagoya University, 154, 3.11% Nagoya University 154 publications, 3.11%
University of Electro-Communications	University of Electro-Communications, 148, 2.99% University of Electro-Communications 148 publications, 2.99%
Stanford University	Stanford University, 141, 2.85% Stanford University 141 publications, 2.85%
RIKEN-Institute of Physical and Chemical Research	RIKEN-Institute of Physical and Chemical Research, 123, 2.49% RIKEN-Institute of Physical and Chemical Research 123 publications, 2.49%
Keio University	Keio University, 110, 2.22% Keio University 110 publications, 2.22%
Osaka University	Osaka University, 110, 2.22% Osaka University 110 publications, 2.22%
Waseda University	Waseda University, 103, 2.08% Waseda University 103 publications, 2.08%
Hokkaido University	Hokkaido University, 100, 2.02% Hokkaido University 100 publications, 2.02%
University of Tsukuba	University of Tsukuba, 97, 1.96% University of Tsukuba 97 publications, 1.96%
Tohoku University	Tohoku University, 96, 1.94% Tohoku University 96 publications, 1.94%
National Institute of Advanced Industrial Science and Technology	National Institute of Advanced Industrial Science and Technology, 94, 1.9% National Institute of Advanced Industrial Science and Technology 94 publications, 1.9%
Kyushu University	Kyushu University, 91, 1.84% Kyushu University 91 publications, 1.84%
Japan Advanced Institute of Science and Technology	Japan Advanced Institute of Science and Technology, 69, 1.39% Japan Advanced Institute of Science and Technology 69 publications, 1.39%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 62, 1.25% National Institute for Research in Digital Science and Technology 62 publications, 1.25%
East China Normal University	East China Normal University, 56, 1.13% East China Normal University 56 publications, 1.13%
New York University Shanghai	New York University Shanghai, 55, 1.11% New York University Shanghai 55 publications, 1.11%
Chuo University	Chuo University, 55, 1.11% Chuo University 55 publications, 1.11%
New York University	New York University, 50, 1.01% New York University 50 publications, 1.01%
National Institute of Genetics	National Institute of Genetics, 50, 1.01% National Institute of Genetics 50 publications, 1.01%
National Institute of Information and Communications Technology	National Institute of Information and Communications Technology, 50, 1.01% National Institute of Information and Communications Technology 50 publications, 1.01%
National University of Singapore	National University of Singapore, 48, 0.97% National University of Singapore 48 publications, 0.97%
Vietnam National University Ho Chi Minh City	Vietnam National University Ho Chi Minh City, 47, 0.95% Vietnam National University Ho Chi Minh City 47 publications, 0.95%
Xidian University	Xidian University, 47, 0.95% Xidian University 47 publications, 0.95%
Shinshu University	Shinshu University, 46, 0.93% Shinshu University 46 publications, 0.93%
Kobe University	Kobe University, 41, 0.83% Kobe University 41 publications, 0.83%
	100 200 300 400 500 600 700 800

With foreign organizations

	20 40 60 80 100 120 140 160
Stanford University	Stanford University, 141, 2.85% Stanford University 141 publications, 2.85%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 62, 1.25% National Institute for Research in Digital Science and Technology 62 publications, 1.25%
East China Normal University	East China Normal University, 56, 1.13% East China Normal University 56 publications, 1.13%
New York University Shanghai	New York University Shanghai, 55, 1.11% New York University Shanghai 55 publications, 1.11%
New York University	New York University, 50, 1.01% New York University 50 publications, 1.01%
National University of Singapore	National University of Singapore, 48, 0.97% National University of Singapore 48 publications, 0.97%
Vietnam National University Ho Chi Minh City	Vietnam National University Ho Chi Minh City, 47, 0.95% Vietnam National University Ho Chi Minh City 47 publications, 0.95%
Xidian University	Xidian University, 47, 0.95% Xidian University 47 publications, 0.95%
Peking University	Peking University, 40, 0.81% Peking University 40 publications, 0.81%
Wuhan University	Wuhan University, 40, 0.81% Wuhan University 40 publications, 0.81%
Sorbonne University	Sorbonne University, 40, 0.81% Sorbonne University 40 publications, 0.81%
University of Science and Technology of China	University of Science and Technology of China, 40, 0.81% University of Science and Technology of China 40 publications, 0.81%
University of Waterloo	University of Waterloo, 35, 0.71% University of Waterloo 35 publications, 0.71%
Julius Maximilian University of Würzburg	Julius Maximilian University of Würzburg, 35, 0.71% Julius Maximilian University of Würzburg 35 publications, 0.71%
Imperial College London	Imperial College London, 33, 0.67% Imperial College London 33 publications, 0.67%
University of Edinburgh	University of Edinburgh, 28, 0.57% University of Edinburgh 28 publications, 0.57%
ETH Zurich	ETH Zurich, 27, 0.55% ETH Zurich 27 publications, 0.55%
University of Oxford	University of Oxford, 27, 0.55% University of Oxford 27 publications, 0.55%
University of Melbourne	University of Melbourne, 26, 0.53% University of Melbourne 26 publications, 0.53%
Vienna University of Technology	Vienna University of Technology, 26, 0.53% Vienna University of Technology 26 publications, 0.53%
Chulalongkorn University	Chulalongkorn University, 25, 0.51% Chulalongkorn University 25 publications, 0.51%
University of Queensland	University of Queensland, 24, 0.49% University of Queensland 24 publications, 0.49%
University of Bristol	University of Bristol, 24, 0.49% University of Bristol 24 publications, 0.49%
Tsinghua University	Tsinghua University, 23, 0.46% Tsinghua University 23 publications, 0.46%
Tongji University	Tongji University, 23, 0.46% Tongji University 23 publications, 0.46%
Asian Institute of Technology	Asian Institute of Technology, 23, 0.46% Asian Institute of Technology 23 publications, 0.46%
University of Alberta	University of Alberta, 23, 0.46% University of Alberta 23 publications, 0.46%
Shanghai Jiao Tong University	Shanghai Jiao Tong University, 22, 0.44% Shanghai Jiao Tong University 22 publications, 0.44%
University of Michigan	University of Michigan, 22, 0.44% University of Michigan 22 publications, 0.44%
Université Paris-Saclay	Université Paris-Saclay, 22, 0.44% Université Paris-Saclay 22 publications, 0.44%
	20 40 60 80 100 120 140 160

With other countries

	100 200 300 400 500 600
China	China, 572, 11.56% China 572 publications, 11.56%
USA	USA, 567, 11.46% USA 567 publications, 11.46%
United Kingdom	United Kingdom, 312, 6.31% United Kingdom 312 publications, 6.31%
France	France, 275, 5.56% France 275 publications, 5.56%
Germany	Germany, 262, 5.3% Germany 262 publications, 5.3%
Canada	Canada, 143, 2.89% Canada 143 publications, 2.89%
Italy	Italy, 115, 2.32% Italy 115 publications, 2.32%
Australia	Australia, 112, 2.26% Australia 112 publications, 2.26%
Vietnam	Vietnam, 100, 2.02% Vietnam 100 publications, 2.02%
Thailand	Thailand, 71, 1.43% Thailand 71 publications, 1.43%
Singapore	Singapore, 69, 1.39% Singapore 69 publications, 1.39%
Austria	Austria, 64, 1.29% Austria 64 publications, 1.29%
Spain	Spain, 60, 1.21% Spain 60 publications, 1.21%
Finland	Finland, 59, 1.19% Finland 59 publications, 1.19%
Switzerland	Switzerland, 58, 1.17% Switzerland 58 publications, 1.17%
India	India, 52, 1.05% India 52 publications, 1.05%
Republic of Korea	Republic of Korea, 49, 0.99% Republic of Korea 49 publications, 0.99%
Portugal	Portugal, 43, 0.87% Portugal 43 publications, 0.87%
Netherlands	Netherlands, 43, 0.87% Netherlands 43 publications, 0.87%
Norway	Norway, 31, 0.63% Norway 31 publications, 0.63%
Sweden	Sweden, 29, 0.59% Sweden 29 publications, 0.59%
Belgium	Belgium, 28, 0.57% Belgium 28 publications, 0.57%
Czech Republic	Czech Republic, 28, 0.57% Czech Republic 28 publications, 0.57%
Denmark	Denmark, 24, 0.49% Denmark 24 publications, 0.49%
Russia	Russia, 23, 0.46% Russia 23 publications, 0.46%
Brazil	Brazil, 22, 0.44% Brazil 22 publications, 0.44%
Iran	Iran, 14, 0.28% Iran 14 publications, 0.28%
Ireland	Ireland, 14, 0.28% Ireland 14 publications, 0.28%
Malaysia	Malaysia, 12, 0.24% Malaysia 12 publications, 0.24%
	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.