National Institute of Informatics

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Short name

NII

Country, city

Japan, Tokyo

04ksd4g47

Organization website

Publications

4 928

Citations

93 494

h-index

124

Top-3 journals

Lecture Notes in Computer Science (1227 publications)

Physical Review A (126 publications)

IEICE Transactions on Information and Systems (109 publications)

Top-3 organizations

University of Tokyo (788 publications)

The Graduate University for Advanced Studies (709 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

4928

Total citations

93494

Citations per publication

18.97

Average publications per year

136.89

Average authors per publication

4.56

h-index

124

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, 11.55% Software 569 publications, 11.55%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 484, 9.82% Electrical and Electronic Engineering 484 publications, 9.82%
Computer Science Applications	Computer Science Applications, 391, 7.93% Computer Science Applications 391 publications, 7.93%
Hardware and Architecture	Hardware and Architecture, 362, 7.35% Hardware and Architecture 362 publications, 7.35%
Computer Networks and Communications	Computer Networks and Communications, 354, 7.18% Computer Networks and Communications 354 publications, 7.18%
Artificial Intelligence	Artificial Intelligence, 327, 6.64% Artificial Intelligence 327 publications, 6.64%
Theoretical Computer Science	Theoretical Computer Science, 291, 5.91% Theoretical Computer Science 291 publications, 5.91%
Information Systems	Information Systems, 212, 4.3% Information Systems 212 publications, 4.3%
General Computer Science	General Computer Science, 212, 4.3% General Computer Science 212 publications, 4.3%
Applied Mathematics	Applied Mathematics, 201, 4.08% Applied Mathematics 201 publications, 4.08%
Computer Vision and Pattern Recognition	Computer Vision and Pattern Recognition, 195, 3.96% Computer Vision and Pattern Recognition 195 publications, 3.96%
Computational Theory and Mathematics	Computational Theory and Mathematics, 193, 3.92% Computational Theory and Mathematics 193 publications, 3.92%
Signal Processing	Signal Processing, 170, 3.45% Signal Processing 170 publications, 3.45%
Discrete Mathematics and Combinatorics	Discrete Mathematics and Combinatorics, 155, 3.15% Discrete Mathematics and Combinatorics 155 publications, 3.15%
General Physics and Astronomy	General Physics and Astronomy, 154, 3.13% General Physics and Astronomy 154 publications, 3.13%
General Medicine	General Medicine, 152, 3.08% General Medicine 152 publications, 3.08%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 133, 2.7% Atomic and Molecular Physics, and Optics 133 publications, 2.7%
General Engineering	General Engineering, 133, 2.7% General Engineering 133 publications, 2.7%
Control and Systems Engineering	Control and Systems Engineering, 126, 2.56% Control and Systems Engineering 126 publications, 2.56%
Computer Graphics and Computer-Aided Design	Computer Graphics and Computer-Aided Design, 109, 2.21% Computer Graphics and Computer-Aided Design 109 publications, 2.21%
Computational Mathematics	Computational Mathematics, 89, 1.81% Computational Mathematics 89 publications, 1.81%
General Materials Science	General Materials Science, 86, 1.75% General Materials Science 86 publications, 1.75%
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, 1.38% Electronic, Optical and Magnetic Materials 68 publications, 1.38%
Condensed Matter Physics	Condensed Matter Physics, 59, 1.2% Condensed Matter Physics 59 publications, 1.2%
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, 24.9% Lecture Notes in Computer Science 1227 publications, 24.9%
Physical Review A	Physical Review A, 126, 2.56% Physical Review A 126 publications, 2.56%
IEICE Transactions on Information and Systems	IEICE Transactions on Information and Systems, 109, 2.21% IEICE Transactions on Information and Systems 109 publications, 2.21%
Joho Chishiki Gakkaishi	Joho Chishiki Gakkaishi, 85, 1.72% Joho Chishiki Gakkaishi 85 publications, 1.72%
IEEE Access	IEEE Access, 82, 1.66% IEEE Access 82 publications, 1.66%
Proceedings of the AAAI Conference on Artificial Intelligence	Proceedings of the AAAI Conference on Artificial Intelligence, 60, 1.22% Proceedings of the AAAI Conference on Artificial Intelligence 60 publications, 1.22%
Transactions of the Japanese Society for Artificial Intelligence	Transactions of the Japanese Society for Artificial Intelligence, 54, 1.1% Transactions of the Japanese Society for Artificial Intelligence 54 publications, 1.1%
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%
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%
IEEE Internet of Things Journal	IEEE Internet of Things Journal, 24, 0.49% IEEE Internet of Things Journal 24 publications, 0.49%
Scientific Reports	Scientific Reports, 24, 0.49% Scientific Reports 24 publications, 0.49%
IEEE Transactions on Vehicular Technology	IEEE Transactions on Vehicular Technology, 23, 0.47% IEEE Transactions on Vehicular Technology 23 publications, 0.47%
Graphs and Combinatorics	Graphs and Combinatorics, 22, 0.45% Graphs and Combinatorics 22 publications, 0.45%
PLoS ONE	PLoS ONE, 22, 0.45% PLoS ONE 22 publications, 0.45%
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 21, 0.43% IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 21 publications, 0.43%
International journal of computer assisted radiology and surgery	International journal of computer assisted radiology and surgery, 21, 0.43% International journal of computer assisted radiology and surgery 21 publications, 0.43%
IEEE Transactions on Image Processing	IEEE Transactions on Image Processing, 21, 0.43% IEEE Transactions on Image Processing 21 publications, 0.43%
	200 400 600 800 1000 1200 1400

Publishers

	500 1000 1500 2000 2500
Springer Nature	Springer Nature, 2041, 41.42% Springer Nature 2041 publications, 41.42%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 526, 10.67% Institute of Electrical and Electronics Engineers (IEEE) 526 publications, 10.67%
Elsevier	Elsevier, 512, 10.39% Elsevier 512 publications, 10.39%
American Physical Society (APS)	American Physical Society (APS), 234, 4.75% American Physical Society (APS) 234 publications, 4.75%
Institute of Electronics, Information and Communications Engineers (IEICE)	Institute of Electronics, Information and Communications Engineers (IEICE), 169, 3.43% Institute of Electronics, Information and Communications Engineers (IEICE) 169 publications, 3.43%
Association for Computing Machinery (ACM)	Association for Computing Machinery (ACM), 152, 3.08% Association for Computing Machinery (ACM) 152 publications, 3.08%
Wiley	Wiley, 119, 2.41% Wiley 119 publications, 2.41%
Japan Society of Information and Knowledge	Japan Society of Information and Knowledge, 89, 1.81% Japan Society of Information and Knowledge 89 publications, 1.81%
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, 66, 1.34% MDPI 66 publications, 1.34%
Taylor & Francis	Taylor & Francis, 63, 1.28% Taylor & Francis 63 publications, 1.28%
The Japanese Society for Artificial Intelligence	The Japanese Society for Artificial Intelligence, 54, 1.1% The Japanese Society for Artificial Intelligence 54 publications, 1.1%
Information Processing Society of Japan	Information Processing Society of Japan, 52, 1.06% Information Processing Society of Japan 52 publications, 1.06%
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, 0.47% Public Library of Science (PLoS) 23 publications, 0.47%
Inderscience Publishers	Inderscience Publishers, 21, 0.43% Inderscience Publishers 21 publications, 0.43%
The Robotics Society of Japan	The Robotics Society of Japan, 21, 0.43% The Robotics Society of Japan 21 publications, 0.43%
IGI Global	IGI Global, 19, 0.39% IGI Global 19 publications, 0.39%
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, 788, 15.99% University of Tokyo 788 publications, 15.99%
The Graduate University for Advanced Studies	The Graduate University for Advanced Studies, 709, 14.39% The Graduate University for Advanced Studies 709 publications, 14.39%
Japan Science and Technology Agency	Japan Science and Technology Agency, 256, 5.19% Japan Science and Technology Agency 256 publications, 5.19%
Kyoto University	Kyoto University, 182, 3.69% Kyoto University 182 publications, 3.69%
Tokyo Institute of Technology	Tokyo Institute of Technology, 179, 3.63% Tokyo Institute of Technology 179 publications, 3.63%
Nagoya University	Nagoya University, 153, 3.1% Nagoya University 153 publications, 3.1%
University of Electro-Communications	University of Electro-Communications, 146, 2.96% University of Electro-Communications 146 publications, 2.96%
Stanford University	Stanford University, 141, 2.86% Stanford University 141 publications, 2.86%
RIKEN-Institute of Physical and Chemical Research	RIKEN-Institute of Physical and Chemical Research, 123, 2.5% RIKEN-Institute of Physical and Chemical Research 123 publications, 2.5%
Keio University	Keio University, 110, 2.23% Keio University 110 publications, 2.23%
Osaka University	Osaka University, 110, 2.23% Osaka University 110 publications, 2.23%
Waseda University	Waseda University, 103, 2.09% Waseda University 103 publications, 2.09%
Hokkaido University	Hokkaido University, 100, 2.03% Hokkaido University 100 publications, 2.03%
University of Tsukuba	University of Tsukuba, 97, 1.97% University of Tsukuba 97 publications, 1.97%
Tohoku University	Tohoku University, 95, 1.93% Tohoku University 95 publications, 1.93%
National Institute of Advanced Industrial Science and Technology	National Institute of Advanced Industrial Science and Technology, 94, 1.91% National Institute of Advanced Industrial Science and Technology 94 publications, 1.91%
Kyushu University	Kyushu University, 91, 1.85% Kyushu University 91 publications, 1.85%
Japan Advanced Institute of Science and Technology	Japan Advanced Institute of Science and Technology, 69, 1.4% Japan Advanced Institute of Science and Technology 69 publications, 1.4%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 62, 1.26% National Institute for Research in Digital Science and Technology 62 publications, 1.26%
East China Normal University	East China Normal University, 56, 1.14% East China Normal University 56 publications, 1.14%
New York University Shanghai	New York University Shanghai, 55, 1.12% New York University Shanghai 55 publications, 1.12%
Chuo University	Chuo University, 54, 1.1% Chuo University 54 publications, 1.1%
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, 49, 0.99% National Institute of Information and Communications Technology 49 publications, 0.99%
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%
National University of Singapore	National University of Singapore, 47, 0.95% National University of Singapore 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, 2.86% Stanford University 141 publications, 2.86%
National Institute for Research in Digital Science and Technology	National Institute for Research in Digital Science and Technology, 62, 1.26% National Institute for Research in Digital Science and Technology 62 publications, 1.26%
East China Normal University	East China Normal University, 56, 1.14% East China Normal University 56 publications, 1.14%
New York University Shanghai	New York University Shanghai, 55, 1.12% New York University Shanghai 55 publications, 1.12%
New York University	New York University, 50, 1.01% New York University 50 publications, 1.01%
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%
National University of Singapore	National University of Singapore, 47, 0.95% National University of Singapore 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, 39, 0.79% University of Science and Technology of China 39 publications, 0.79%
Julius Maximilian University of Würzburg	Julius Maximilian University of Würzburg, 35, 0.71% Julius Maximilian University of Würzburg 35 publications, 0.71%
University of Waterloo	University of Waterloo, 34, 0.69% University of Waterloo 34 publications, 0.69%
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, 26, 0.53% University of Oxford 26 publications, 0.53%
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%
Tongji University	Tongji University, 23, 0.47% Tongji University 23 publications, 0.47%
Asian Institute of Technology	Asian Institute of Technology, 23, 0.47% Asian Institute of Technology 23 publications, 0.47%
University of Alberta	University of Alberta, 23, 0.47% University of Alberta 23 publications, 0.47%
Tsinghua University	Tsinghua University, 22, 0.45% Tsinghua University 22 publications, 0.45%
University of Michigan	University of Michigan, 22, 0.45% University of Michigan 22 publications, 0.45%
Shanghai Jiao Tong University	Shanghai Jiao Tong University, 21, 0.43% Shanghai Jiao Tong University 21 publications, 0.43%
VTT Technical Research Centre of Finland	VTT Technical Research Centre of Finland, 21, 0.43% VTT Technical Research Centre of Finland 21 publications, 0.43%
	20 40 60 80 100 120 140 160

With other countries

	100 200 300 400 500 600
USA	USA, 565, 11.47% USA 565 publications, 11.47%
China	China, 564, 11.44% China 564 publications, 11.44%
United Kingdom	United Kingdom, 311, 6.31% United Kingdom 311 publications, 6.31%
France	France, 275, 5.58% France 275 publications, 5.58%
Germany	Germany, 262, 5.32% Germany 262 publications, 5.32%
Canada	Canada, 142, 2.88% Canada 142 publications, 2.88%
Italy	Italy, 115, 2.33% Italy 115 publications, 2.33%
Australia	Australia, 111, 2.25% Australia 111 publications, 2.25%
Vietnam	Vietnam, 100, 2.03% Vietnam 100 publications, 2.03%
Thailand	Thailand, 71, 1.44% Thailand 71 publications, 1.44%
Singapore	Singapore, 67, 1.36% Singapore 67 publications, 1.36%
Austria	Austria, 64, 1.3% Austria 64 publications, 1.3%
Spain	Spain, 60, 1.22% Spain 60 publications, 1.22%
Finland	Finland, 59, 1.2% Finland 59 publications, 1.2%
Switzerland	Switzerland, 58, 1.18% Switzerland 58 publications, 1.18%
India	India, 52, 1.06% India 52 publications, 1.06%
Republic of Korea	Republic of Korea, 48, 0.97% Republic of Korea 48 publications, 0.97%
Netherlands	Netherlands, 43, 0.87% Netherlands 43 publications, 0.87%
Portugal	Portugal, 42, 0.85% Portugal 42 publications, 0.85%
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, 0.47% Russia 23 publications, 0.47%
Brazil	Brazil, 22, 0.45% Brazil 22 publications, 0.45%
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.