NameShin-ichi TADAKI
DepartmentDepartment of Information Science and Engineering
Job TitleProfessor Degree Obtained
  • Master of Science
  • Doctor of Science
E-mailtadakicc.saga-u.ac.jp
Homepagehttp://aoba.cc.saga-u.ac.jp

Detailed Information

Research Field/Keywords for Research Field

  • traffic flow, academic information systems, unified authentication systems

Education

  • 1982/03, Departmentn of Physics, Graduated
  • 1984/03, Master Course, Completed
  • 1987/04, Doctor Course, Completed

Employment Experience

  • 1988/04 - 1990/03 Postdoctoral Fellowships of Japan Society for the Promotion of Science Kyoto University
  • 1990/04 - 2000/03 Associate Professor, Saga University
  • 2000/04 - 2000/09 Professor, Information Science, Faculty of Science and Engineering, Saga University
  • 2000/10 - 2006/01 Professor, Saga University
  • 2000/11 - 2006/01 Abolition organization, Saga University
  • 2006/02 - 2013/09 Professor, Computer and Network Center, Saga University
  • 2006/04 - 2014/03 Computer and Network Center, Saga University
  • 2013/10 -  *  Professor, Information Science, Graduate School of Science and Engineering, Saga University

Field of Specialization

  • Mathematical physics/Fundamental condensed matter physics, Civil engineering project/Traffic engineering, Statistical science, Information network, Information security

Membership in Academic Societies

  • Physical Society of Japan, American Physical Society, Japan Society for Industrial and Applied Mathematics, Information Processing Society of Japan

Awards

  • New Journal of Physics, Best of 2008 (2009/01)

Themes for Ongoing Research

  • Quantum Field Theory in curved spacetime
  • Experimental study of traffic jam formation
  • Integrated Authentication System
  • Thermodynamics of systems with a black hole
  • Intelligent Tutoring System
  • Traffic Flow Models and Their Simulations
  • User Network System
  • Time Series Analysis of Traffic Flow

Research Themes in the Past

  • Quantum Field Theory in curved spacetime
  • Thermodynamics of systems with a black hole
  • Intelligent Tutoring System

Research Topics and Results

  • Characterizing and distinguishing free and jammed traffic flows from the distribution and correlation of experimental speed data 2016/08
  • Quantitative explanation of circuit experiments and real traffic using the optimal velocity model 2016/04
  • Phase transition in traffic jam experiment on a circuit 2013/10
  • Effects of Fast Noises on Long-Range Correlations 2011/01
  • Metastability in the formation of an experimental traffic jam 2009/08
  • Traffic jam without bottleneck - Experimental evidence for the physical mechanism of forming a jam - 2008/03
  • Long-term power-law fluctuation in Internet traffic 2007/04
  • Power-Law Fluctuation in Expressway Traffic Flow: Detrended Fluctuation Analysis 2006/03
  • Implementation and Operation of Large Scale Network for Users' Mobile Computers by Opengate 2005/04
  • An Authentication System for Public and Mobile Terminals and Its Operation with Discless Boot Mechanism 2001
  • Coupled Map Traffic Flow Simulator Based on Optimal Velocity Functions 1998
  • Jam Phases in a Two-Dimensional Cellular Automaton Model of Traffic Flow 1994
  • Hadamard Regularization and Conformal Transformation 1989

Books

  • Fundamentals of numerical simulations; 2000
    ANNOUNCEMENT INFO.; 
    AUTHOR; 

Original Articles

  • Named Entities Extraction by Citizen Participation and Machine Learning for Making Machine-readable Old Records of the Edo Period Remaining in Local Communities; 2022/02
    ANNOUNCEMENT INFO.; Information Processing Society of Japan Journal, 63, 2, 310 - 323
    AUTHOR; Natsuko Yoshiga, Yoshiaki Hor, Shin-ichi Tadaki, Kiyonori Nagasaki, and Akihiro Ito
  • Origins of Reverse Lane Usage Using Nagel–Schreckenberg Model; 2019/02
    ANNOUNCEMENT INFO.; Journal of the Physical Society of Japan, 88, 024801
    AUTHOR; Toshihiro Noda, Yasuhiro Hieida, and Shin-ichi Tadaki
  • Semi-automated Conversion of Bibliographic Data for Japanese Historical Rare Books into Linked Data; 2018/02
    ANNOUNCEMENT INFO.; Transactions of Information Processing Society of Japan, 59, 2, 257 -266
    AUTHOR; Natsuko Yoshiga and Shin-ichi Tadaki
  • Scaling from Circuit Experiment to Real Traffic Based on Optimal Velocity Model; 2016/12
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '15, 523-530
    AUTHOR; Akihiro Nakayama, Macoto Kikuchi, Akihiro Shibata, Yuki Sugiyama, Shin-ichi Tadaki and Satoshi Yukawa
  • Characterizing and distinguishing free and jammed traffic flows from the distribution and correlation of experimental speed data; 2016/08
    ANNOUNCEMENT INFO.; New Journal of Physics, 18, 083022
    AUTHOR; Shin-ichi Tadaki, Macoto Kikuchi, Akihiro Nakayama, Akihiro Shibata, Yuki Sugiyama and Satoshi Yukawa
  • Quantitative explanation of circuit experiments and real traffic using the optimal velocity model; 2016/04
    ANNOUNCEMENT INFO.; New Journal of Physics, 18, 043040
    AUTHOR; Akihiro Nakayama, Macoto Kikuchi, Akihiro Shibata, Yuki Sugiyama, Shin-ichi Tadaki and Satoshi Yukawa
  • Critical Density of Experimental Traffic Jam; 2015/01
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '13, 505
    AUTHOR; S. Tadaki, M. Kikuchi, M. Fukui, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama, T. Yosida and S. Yukawa.
  • Phase transition in traffic jam experiment on a circuit; 2013/10
    ANNOUNCEMENT INFO.; New Journal of Physics, 15, 103034
    AUTHOR; Shin-ichi Tadaki, Macoto Kikuchi, Minoru Fukui, Akihiro Nakayama, Katsuhiro Nishinari, Akihiro Shibata, Yuki Sugiyama, Taturu Yosida and Satoshi Yukawa
  • Fluctuation in e-mail sizes weakens power-law correlations in e-mail flow; 2013/09
    ANNOUNCEMENT INFO.; The European Physical Journal B, 86, 9, 371
    AUTHOR; Yoshitsugu Matsubara, Yasuhiro Hieida and Shin-ichi Tadaki
  • Effects of Fast Noises on Long-Range Correlations; 2011/01
    ANNOUNCEMENT INFO.; Computer Physics Communications, 182, 1, 237-239
    AUTHOR; Shin-ichi TADAKI
  • Development of the Network User Authentication System Supporting Single Sign-On; 2010/03
    ANNOUNCEMENT INFO.; IPSJ Journal, 51, 3, 1031-1039
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Metastability in the formation of an experimental traffic jam; 2009/08
    ANNOUNCEMENT INFO.; New Journal of Physics, 11, 083025 1-083025 16
    AUTHOR; Akihiro Nakayama, Minoru Fukui, Macoto Kikuchi, Katsuya Hasebe, Katsuhiro Nishinari, Yuki Sugiyama, Shin-ichi Tadaki and Satoshi Yukawa
  • Detailed data of traffic jam experiment; 2009/05
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '07 (Springer-Verlag, Berlin), 389-394
    AUTHOR; A. Nakayama, M. Fukui, K. Hasebe, M. Kikuchi, K. Nishinari, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Packet flow and its temporal properties in the Internet; 2009/05
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '07 (Springer-Verlag, Berlin), 745-750
    AUTHOR; S. Tadaki
  • "Error-based translation" as a new approach in learning Japanese particles for Indonesians; 2009/05
    ANNOUNCEMENT INFO.; Journal of Information and Systems in Education, 7, 1, 15-25
    AUTHOR; Saida Ulfa, Y. Okazaki, Y. Hieida, T. Hayashi, K. Watanabe and S. Tadaki
  • Development and Smooth Installation of a Network Authentication System with Detecting Usave Termination by Watching HTTP Connection; 2009/03
    ANNOUNCEMENT INFO.; IPSJ Journal, 50, 3, 1032-1042
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Single Sign-On with Opengate; 2009/02
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Reports, 2009, 21, 259264
    AUTHOR; ETO Hirofumi;OTANI Makoto;WATANABE Kenzi;TADAKI Shin-ichi
  • Traffic jam without bottleneck - Experimental evidence for the physical mechanism of forming a jam -; 2008/03
    ANNOUNCEMENT INFO.; New Journal of Physics, 10, 033001 1-7
    AUTHOR; Y. Sugiyama, M. Fukui, M. Kikuchi, K. Hasebe, A. Nakayama, K. Nishinari, S. Tadaki and S. Yukawa
  • An Intelligent Tutoring System with Error Based Translation in Learning Japanese Particles for Indonesians; 2007/07
    ANNOUNCEMENT INFO.; 8th International Conference on Information Technology Based Higher Education and Training, Kumamoto, Japan
    AUTHOR; Saida Ulfa, Yasuhisa Okazaki, Yasuhiro Hieida, Toshihiro Hayashi, Kenzi Watanabe, Shin-ichi Tadaki
  • Long-term power-law fluctuation in Internet traffic; 2007/04
    ANNOUNCEMENT INFO.; Journal of Physical Society of Japan, 76, 4, 044001-1- 044001-5
    AUTHOR; S. Tadaki
  • Scale-free features in the observed traffic flow; 2007
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '05 (Springer-Verlag, Berlin ), 706-709
    AUTHOR; S. Tadaki, M. Kikuchi, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama and S. Yukawa
  • Effects of Bottlenecks on Vehicle Traffic; 2006/11
    ANNOUNCEMENT INFO.; Journal of the Physical Society of Japan, 75, 11, 114601-1- 114601-5
    AUTHOR; Syohei Yamamoto, Yasuhiro Hieida and Shin-ichi Tadaki
  • Power-Law Fluctuation in Expressway Traffic Flow: Detrended Fluctuation Analysis; 2006/03
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 75, 3, 034002-1-034002-5
    AUTHOR; Tadaki, S / Kikuchi, M / Nakayama, A / Nishinari, K / Shibata, A / Sugiyama, Y / Yukawa, S
  • Implementation of IPv6 Functions for a Network User Authentication System Opengate; 2005/11
    ANNOUNCEMENT INFO.; ACM SIGUCCS 2005 Fall Conference (held in Monterey, California, November 6 - 9, 2005), 283-286
    AUTHOR; Makoto Otani, Katsuhiko Eguchi, Hirofumi Eto, Kenzi Watanabe, Shin-ichi Tadaki and Yoshiaki Watanabe
  • Implementation and Operation of Large Scale Network for Users' Mobile Computers by Opengate; 2005/04
    ANNOUNCEMENT INFO.; PSJ Journal, 46, 4, 922-929
    AUTHOR; S. Tadaki, H. Eto, K. Watanabe and Y. Watanabe
  • Observation, Theory and Experiment for Freeway Traffic as Physics of Many-Body System; 2005
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '03 (Springer-Verlag, Berlin, 45-58
    AUTHOR; Y. Sugiyama, A. Nakayama, M. Fukui, K. Hasebe, M. Kikuchi, K. Nishinari, S. Tadaki and S. Yukawa
  • Fluctuation in Experssway Traffic Flow; 2005
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '03 (Springer-Verlag, Berlin, 59-65
    AUTHOR; S. Tadaki, M. Kikuchi, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama and S. Yukawa
  • Application of the "Opengate" System to Public Terminals; 2004/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 8, 9-16
    AUTHOR; S. Yasuda, H. Hanaishi, H. Eto, S. Tadaki, K. Watanabe and Y. Watanabe
  • Stable Service of Educational Windows Terminals with Diskless Boot Mechanism; 2004/01
    ANNOUNCEMENT INFO.; IPSJ JOURNAL, 45, 1, 2-11
    AUTHOR; H. Eto, Y. Tanaka, Y. Matsubara, K. Wtanabe, Y. Watanabe and S. Tadaki
  • Network Operation for User Mobile Terminals; 2004/01
    ANNOUNCEMENT INFO.; IPSJ Symposium Series, 2004, 3, 85-90
    AUTHOR; S. Tadaki, H. Eto, K. Watanabe and Y. Watanabe
  • Traffic Flow as Physics of Many-Body System; 2004
    ANNOUNCEMENT INFO.; Transportation Systems 2003, Proceedings of the 10th IFAC Symposium (Elsevier), 335-340
    AUTHOR; Y. Sugiyama, M. Kikuchi, A. Nakayama, A. Nishinari, K. Shibata, S. Tadaki and S. Yukawa
  • Formation of Synchronized Flow at the Upper Stream of Bottleneck in Optimal Velocity Model; 2004
    ANNOUNCEMENT INFO.; Transportation Systems 2003, Proceedings of the 10th IFAC Symposium (Elsevier), 347-351
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Asymmetric Optimal Velocity Model; 2003/11
    ANNOUNCEMENT INFO.; Journal of Physical Society of Japan, 72, 11, 2754-2758
    AUTHOR; A. Okumura and S. Tadaki
  • Strategies for Migrating to IPv6 in Saga University; 2003/06
    ANNOUNCEMENT INFO.; IPSJ Symposium Series , 2003, 9, 713-716
    AUTHOR; Ferry A. S., H. Eto, M. Otani, K. Watanabe and S. Tadaki
  • Integrated Authentication System as a Base of Campus Information Infrastructure; 2003/01
    ANNOUNCEMENT INFO.; IPSJ Symposium Series , 2003, 6, 43-48
    AUTHOR; H. Etoh, K. Watanabe, S. Tadaki and Y. Watanabe
  • Observational Aspects of Japanese Highway Traffic; 2003
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '01 (Springer-Verlag, 2003), 243-256
    AUTHOR; S. Yukawa, M. Kikuchi, A. Nakayama, K. Nishinari, Y. Sugiyama and S. Tadaki
  • Long-Term Traffic Data from Japanese Expressway; 2003
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '01 (Springer-Verlag, 2003), 257-262
    AUTHOR; M. Kikuchi, A. Nakayama, K. Nishinari, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Congestion Induced by Bottlenecks in Two-lane Optimal Velocity Traffic Flow Model; 2003
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '01 (Springer-Verlag, 2003), 211-220
    AUTHOR; S. Tadaki, M. Kikuchi, K. Nishinari, Y. Sugiyama and S. Yukawa
  • Asymmetric Optimal Velocity Model; 2003
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '01 (Springer-Verlag, 2003), 115-118
    AUTHOR; A. Okumura and S. Tadaki
  • Analysis of congested flow at the upper stream of a tunnel; 2002/11
    ANNOUNCEMENT INFO.; Physica A Vol.315 No.1-2 (2002) 156-162, 315, 1-2, 156-162
    AUTHOR; S. Tadaki, K. Nishinari, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • Traffic Flow Data on Expressways and Two Lane Traffic Flow Model; 2002/06
    ANNOUNCEMENT INFO.; Bull. Japan Soc. Indust. Appl. Math., 12, 2, 17-25
    AUTHOR; S. Tadaki
  • 新しい教育情報基盤の実現に向けて~認証システムをベースとしてキャンパス規模のオープンネットワーク~; 2002
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 6, 13-20
    AUTHOR; 
  • Observation of Congested Two-lane Traffic Caused by a Tunnel; 2002
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 71, 9, 2326-2334
    AUTHOR; Tadaki, S.-i / Nishinari, K / Kikuchi, M / Sugiyama, Y / Yukawa, S
  • An Authentication System for Public and Mobile Terminals and Its Operation with Discless Boot Mechanism; 2001
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net., 5, 15-20
    AUTHOR; S. Tadaki, H. Eto, K. Watanabe and Y. Yatanabe
  • n User Authentication Gateway System with Simple User Interface, Low Administration Cost and Wide Applicability; 2001
    ANNOUNCEMENT INFO.; IPSJ Journal, 42, 12, 2802-2809
    AUTHOR; Y. Watanabe, K. Watanabe, H. Eto and S. Tadaki
  • Congested Flow Induced by Noise in Headway Measurements; 2001
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 70, 6, 1842-1848
    AUTHOR; Uchida, T / Tadaki, S.-i
  • IMAP に対応した Web ベースメールクライアントWebMailerの開発; 2000
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 4, 35-43
    AUTHOR; K. Watanabe, A. Takada and S. Tadaki
  • Noise Induced Congestion in Coupled map Optimal Velocity Model of Traffic Flow; 2000
    ANNOUNCEMENT INFO.; Y. Suzuki et al ed. Soft Computing in Industrial Applications (Springer, London), 383-391
    AUTHOR; S. Tadaki, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • A universal e-mail environment - WebMailer : Web based e-mail client software supporting IMAP4 Protocol; 2000
    ANNOUNCEMENT INFO.; Proc. International ICSC Symposium on Interactive and Collaborative Computing (ICC'2000) (2000)
    AUTHOR; K. Watanabe, A. Takeda and S. Tadaki
  • Congestion in multi-lane coupled map traffic flow model; 2000
    ANNOUNCEMENT INFO.; M. Tokuyama and H. E. Stanley ed. Statistical Physics (AIP, 2000)
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Asymmetric Optimal Velocity Model for Traffic Flow; 2000
    ANNOUNCEMENT INFO.; Y. Hiwatari, Y. Oyanagi, Y. Okabe and H. Takayama ed. Proceedings of The 5th International Conference on Computational Physics (Progress of Theoretical Physics Supplement No.138) (2000)
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Congestion in Multi-lane Roads with Coupled Map Traffic Flow Model; 2000
    ANNOUNCEMENT INFO.; Y. Hiwatari, Y. Oyanagi, Y. Okabe and H. Takayama ed. Proceedings of The 5th International Conference on Computational Physics (Progress of Theoretical Physics Supplement No.138) (2000)
    AUTHOR; S. Tadaki, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • Science of Traffic Flow; 2000
    ANNOUNCEMENT INFO.; , 55, 3, 166-171
    AUTHOR; 
  • Noise Induced Congested Traffic Flow in Coupled Map Optimal Velocity Model; 1999/04
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 68, 9, 3110-3114
    AUTHOR; Tadaki, S.-i / Kikuchi, M / Sugiyama, Y / Yukawa, S
  • Noise Induced Congested Traffic Flow in Coupled Map Optimal Velocity Model; 1999
    ANNOUNCEMENT INFO.; Proceedings of International Workshop on Soft Computing in Industry '99
    AUTHOR; S. Tadaki, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • Coupled map traffic flow simulator based on optimal velocity functions; 1998
    ANNOUNCEMENT INFO.; M. Schreckenberg and D. E. Wolf ed. Traffic and Granular Flow '97 (Springer, 1998)
    AUTHOR; S. Tadaki, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • UNIXとWindows の共存する教育用システムにおける利用者管理と端末管理; 1998
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 2, 14
    AUTHOR; 
  • Traffic Flow Simulator Based on Optimal Velocity Function; 1998
    ANNOUNCEMENT INFO.; M. Tokuyama and I. Oppenheim ed. Statistical Physics (World Scientific, Singapore, 1998)
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Coupled Map Traffic Flow Simulator Based on Optimal Velocity Functions; 1998
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 67, 7, 2270-2276
    AUTHOR; Tadaki, S.-i / Kikuchi, M / Sugiyama, Y / Yukawa, S
  • Distribution of Jam Clusters in a Two-Dimensional Cellular Automaton Traffic Flow Model with Open Boundaries; 1997
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 66, 3, 514-517
    AUTHOR; Tadaki, S.-i
  • Two-dimensional cellular automaton model of traffic flow with open boundaries; 1996
    ANNOUNCEMENT INFO.; PHYSICAL REVIEW -SERIES E-, 54, 3, 2409-2413
    AUTHOR; Tadaki, S.-i
  • Self-Organization in a Two-Dimensional Cellular Automaton Model of Traffic Flow; 1995
    ANNOUNCEMENT INFO.; JOURNAL- PHYSICAL SOCIETY OF JAPAN, 64, 12, 4504-4508
    AUTHOR; Tadaki, S.-i / Kikuchi, M
  • Dynamical Phase Transition in One Dimensional Traffic Flow Model with Blockage; 1994
    ANNOUNCEMENT INFO.; Journal of Physical Soeity of Japan , 63, 10, 3609-3618
    AUTHOR; S. Yukawa, M. Kikuchi and S. Tadaki
  • Design of Pseudo-Random Patterns with Low Linear Dependence and Equi-Distribution; 1994
    ANNOUNCEMENT INFO.; Proceedings of The Third Asian Test Symposium (IEEE Computer Society Press, Los Alamitos, USA, 1994)
    AUTHOR; S. Matsufuji, S. Tadaki and T. Yamanaka
  • Orbits in One-dimensional Finite Linear Cellular Automata; 1994
    ANNOUNCEMENT INFO.; Physical Review E , 49, 2, 1168-1173
    AUTHOR; S. Tadaki
  • An Implementation of an ITS for Guiding Fraction Calculation; 1994
    ANNOUNCEMENT INFO.; , J77-A, 3, 518-529
    AUTHOR; 
  • Jam Phases in a Two-Dimensional Cellular Automaton Model of Traffic Flow; 1994
    ANNOUNCEMENT INFO.; Physical Review E, 50, 6, 4564-4570
    AUTHOR; S. Tadaki and M. Kikuchi
  • Analysis of student's errors in differential calculations and buggy model; 1993/09
    ANNOUNCEMENT INFO.; , 10, 3, 91-101
    AUTHOR; 
  • Periodicity in One-dimensional Finite Linear Cellular Automata; 1993
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 89, 2, 325-331
    AUTHOR; S. Tadaki and S. Matsufuji
  • Courseware Knowledge and Recognition of Strategies in an ITS for Guiding Fraction Calculation; 1992
    ANNOUNCEMENT INFO.; Proc. Pacific Rim Intern. Conf. on Artificial Intelligence `92, 1, 464-470
    AUTHOR; H. Kondo, Y. Okazaki, K. Watanabe and S. Tadaki
  • Quantum Field Theory in Two-dimensional Schwarzschild-de Sitter Spacetime. II; 1990
    ANNOUNCEMENT INFO.; Pregress of Theoretical Physics, 83, 6, 1126-1139
    AUTHOR; S. Tadaki and S. Takagi
  • Quantum Field Theory in Two-dimensional Schwarzschild-de Sitter Spacetime. I; 1990
    ANNOUNCEMENT INFO.; Pregress of Theoretical Physics, 83, 5, 941-952
    AUTHOR; S. Tadaki and S. Takagi
  • Cosmological Domain Walls Coupled to Gravity; 1990
    ANNOUNCEMENT INFO.; Physical Review D, 41, 10, 3047-3051
    AUTHOR; S. Tadaki and H. Ishihara
  • Classification of Conformal Cosmological Models; 1990
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 83, 3, 491-498
    AUTHOR; S. Tadaki, M. Den, K. Ohnishi and Y. Yamada
  • Spectrum of Casimir Energy; 1989
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 82, 4, 737-743
    AUTHOR; S. Tadaki and S. Takagi
  • Hadamard Regularization and Conformal Transformation; 1989
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 81, 4, 891-903
    AUTHOR; S. Tadaki
  • Stress Tensor in de Sitter Space; 1988
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 80, 4, 654-662
    AUTHOR; S. Tadaki
  • Renormalized Stress Tensor and Field Fluctuation in a Friedmann Universe; 1988
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 79, 4, 790-799
    AUTHOR; S. Tadaki
  • Hadamard Regularization in Curved Spacetime; 1987
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 77, 3, 671-680
    AUTHOR; S. Tadaki
  • Casimir Effect at Finite Temperature; 1986
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 75, 2, 262-271
    AUTHOR; S. Tadaki and S. Takagi
  • Phenomenological Theory of the Equilibrium State of the System with a Black Hole and Radiation; 1985
    ANNOUNCEMENT INFO.; Progress of Theoretical Physics, 73, 1, 288-291
    AUTHOR; S. Tadaki and S. Takagi

Material, Commentary, Editorials, Research Report, A Comprehensive Journal Articles

  • Machine Learning Analyses of Observed Highway Traffic Data; 2024/02
    ANNOUNCEMENT INFO.; Papers of the 29th Symposium on Traffic Flow and Self-driven Particles, 29
    AUTHOR; Shin-ichi TADAKI
  • Origins of Reverse Lane Usage Studied with Nagel-Schreckenberg MOdel; 2016/12
    ANNOUNCEMENT INFO.; Proceedings of the 22th Symposium on Traffic Flow and Self-driven Particles, 53
    AUTHOR; T. Noda, Y. Hieida and S. Tadaki
  • Dunbar's number in a microblogging service and its origin; 2016/12
    ANNOUNCEMENT INFO.; Proceedings of the 22th Symposium on Traffic Flow and Self-driven Particles, 25
    AUTHOR; N. Araki, Y. Hieida and S. Tadaki
  • Linked Data Applied a Bibliographic Ontology as a Metadata Design of Historical Rare Books; 2015/03
    ANNOUNCEMENT INFO.; , SIG-SWO-035-08
    AUTHOR; N. Yoshiga, K. Wtanabe and S. Tadaki
  • 書誌学的情報およびデータ入力を考慮した貴重書書誌オントロジーの構築; 2014/05
    ANNOUNCEMENT INFO.; , JSAI2014, 1G5-OS-19b-1
    AUTHOR; 
  • Constructing Ontology and a Visual Search System for Bibliography of Historical Documents and Art Objects by Extracting Metadata from Miscellaneous Fields; 2013/09
    ANNOUNCEMENT INFO.; IPSJ SIG Notes, 2013, 5, 18
    AUTHOR; Natsuko Yoshiga;Kenzi Watanabe;Shin-ichi Tadaki
  • Developing a Bibliographical Ontology and a Visual Search System for Histrocal Documents with Semantic Web Technologies; 2013/06
    ANNOUNCEMENT INFO.; The 27th Annual Conference of the Japanese Society for Artificial Intelligence 2013, 1N3-OS-10a-4in
    AUTHOR; N. Yoshiga, K. Watanabe and S. Tadaki
  • Development of Opengate Capable of Detecting Usage Termination by WebSocket; 2013/05
    ANNOUNCEMENT INFO.; IEICE technical report. Information and communication management, 113, 23, 121125
    AUTHOR; OTANI MAKOTO;ETO HIROFUMI;WATANABE KENZI;TADAKI SHIN-ICHI;WATANABE YOSHIAKI
  • A Visual Search System with Semantic Web Technologies on Digital Archives for Historical Documents; 2012/12
    ANNOUNCEMENT INFO.; International Conference on Convergence Content, 23-24
    AUTHOR; Natsuko Yoshiga, Kenzi Watanabe, Shin-ichi Tadaki
  • Improving the efficiency in an authentication system and its compatibility for the Gakunin federation; 2012/05
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2012, IOT17, 10
    AUTHOR; S. Tadaki, H. Eto, M. Otani and K. Watanabe
  • OpengateM: MAC-address Base Authentication System Complementary To Opengate; 2012/03
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2011, IOT-16
    AUTHOR; Yoshiaki Watanabe, Makoto Otani, Hirofumi Eto, Kenzi Watanabe and Shin-ichi Tadaki
  • Opengate on Cloud; 2012/03
    ANNOUNCEMENT INFO.; Proceedings of The 26th IEEE International Conference on Advanced Information Networking and Applicatioins (AINA-2012), W-ITIS Workshop, Fukuoka, Japan, March 26th - 29th (2012.3). 1027
    AUTHOR; Kenzi Watanabe, Makoto Otani, Shin-ichi Tadaki and Yoshiaki Watanabe
  • Analysis of power-law correlation of e-mail sending demands; 2011/12
    ANNOUNCEMENT INFO.; Proceedings of the 17th Symposium on Simulation of Traffic Flow, 105-108
    AUTHOR; Y. Matsubara, Y. Hieida and S. Tadaki
  • Phase transition in traffic flow experiments in circuit; 2011/12
    ANNOUNCEMENT INFO.; Proceedings of the 17th Symposium on Simulation of Traffic Flow, 109-112
    AUTHOR; S. Tadaki, M. Kikuchi, M. Fukui, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama, T. Yoshida and S. Yukawa
  • Simulations of pedestrian crossing-flow based on a cellular automaton model with floor field; 2011/12
    ANNOUNCEMENT INFO.; Proceedings of the 17th Symposium on Simulation of Traffic Flow, 113-116
    AUTHOR; D. Takahashi, Y. Hieida and S. Tadaki
  • Anti-power-failure plans and power management at university ICT centers; 2011/10
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2011-IOT-15, 8-1-8-5
    AUTHOR; S. Tadaki, Y. Tanaka, T. Ono and K. Watanabe
  • Cost reduction and Service Improvement in E-mail Services by a Private Cloud Service; 2011/07
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2011-IOT-14, 8-1-8-6
    AUTHOR; Y. Matsubara, M. Otani, H. Eto, K. Watanabe and S. Tadaki
  • “Documents distribution board” with Shibboleth for all faculty members; 2011/05
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2011-IOT-13, 16-1-16-6
    AUTHOR; Natsuko Yoshiga, Hirofumi Eto, Makoto Otani, Kenzi Watanabe and Shin-Ichi Tadaki
  • 佐賀大学の新しい学術情報基盤 -仮想化、シンクライアント、シングルサインオン-; 2010/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Virtual user desktops through server-hosted thin-clients (The new educational terminal system in Saga University); 2010/10
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2010-IOT-11, 3-1
    AUTHOR; S. Tadaki, Y. Tanaka, Y. Matsubara, Y. Hieida, H. Eto and K. Watanabe
  • Evaluation of Anti-spam Practical Use Using by Greylisting; 2010/10
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2010-IOT-11, 7, 1-6
    AUTHOR; Y. Matsubara, M. Otani, Y. Hieida and S. Tadaki
  • Campus Information Network and Virtualization Technology; 2010/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 14, 158-163
    AUTHOR; M. Otani, K. Watanabe and S. Tadaki
  • Operation of SSO-Opengate using virtual machine; 2010/05
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2010-IOT-9, 5-1-5-6
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Effects of diagonal motions and partition lines on simulations of pedestrian counter flow; 2009/12
    ANNOUNCEMENT INFO.; Proceedings of the 15th Symposium on Simulation of Traffic Flow, 69-72
    AUTHOR; D. Takahashi, Y. Hieida and S. Tadaki
  • Forced Display of Portal Site with Single Sign-On; 2009/05
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report, 2009-IOT-5, 6-1-6-6
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Effects of short-range noises on the power spectrum and the Detrended Fluctuation Analysis; 2008/11
    ANNOUNCEMENT INFO.; Proceedings of the 14th Symposium on Simulation of Traffic Flow, 69-72
    AUTHOR; S. Tadaki
  • Long-term correlation in Internet demand: case of e-mail sending; 2008/11
    ANNOUNCEMENT INFO.; Proceedings of the 14th Symposium on Simulation of Traffic Flow, 73-75
    AUTHOR; Y. Matsubara, Y. Hieida and S. Tadaki
  • For flexible management of new e-mail addresses; 2008/09
    ANNOUNCEMENT INFO.; Journal of Academic Computing and Networking, 12, 98-102
    AUTHOR; H. Eto and S. Tadaki
  • Installation to the authentication network of UPKI initiative server certificate; 2008/09
    ANNOUNCEMENT INFO.; Journal of Academic Computing and Networking, 12, 103-107
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Collecting assessment data form all teaching staffs: Results and Problems; 2008/09
    ANNOUNCEMENT INFO.; Journal of Academic Computing and Networking, 12, 112-116
    AUTHOR; S. Tadaki, T. Endo, K. Funakubo, Y. Kishikawa, S. Murayama and H. Yamada
  • Usage of the name resolution in Opengate; 2008/09
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report 2008-IOT-3, 2008, 87, 55-60
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Unified data services in universities: From viewpoints of university assessments; 2008/09
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report 2008-IOT-3, 2008, 87, 61-66
    AUTHOR; S. Tadaki, T. Endo, K. Funakubo, Y. Kishikawa, S. Murayama and H. Yamada
  • 情報センターと図書館の融合の行方 - 情報統合と活用 -; 2008/03
    ANNOUNCEMENT INFO.; , 8, 54 - 58
    AUTHOR; 
  • Detailed Data of Traffic Jam Experiment; 2007/12
    ANNOUNCEMENT INFO.; Proceedings of the 13th Symposium on Simulation of Traffic Flow, 7-10
    AUTHOR; A. Nakayama, M. Fukui, K. Hasebe, M. Kikuchi, K. Nishinari, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Structure of Networks and Fluctuations in Flow; 2007/12
    ANNOUNCEMENT INFO.; Proceedings of the 13th Symposium on Simulation of Traffic Flow, 41-44
    AUTHOR; S. Tadaki
  • Development and operation of a network authentication system with detecting usage termination by watching HTTP connection; 2007/09
    ANNOUNCEMENT INFO.; Journal of Academic Computing and Networking, 11, 87-91
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Operatability of educational terminals by Diskless Solaris; 2007/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 11, 115-119
    AUTHOR; H. Eto and S. tadaki
  • Installation and Operation of New Opengate with detecting Usage Termination by Watching HTTP Connection; 2007/09
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report 2007-DSM-47, 31-36
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • 情報系センターと附属図書館 - 連携と情報基盤の共通化 -; 2007/03
    ANNOUNCEMENT INFO.; , 7, 38-41
    AUTHOR; 
  • Development of the new Opengate capable of detecting usage termination by HTTP Keep-Alive; 2007/03
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report 2007-DSM-44, 65-70
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • ボトルネックによる渋滞形成; 2006/12
    ANNOUNCEMENT INFO.; , 53-56
    AUTHOR; 
  • Improvement of the network user authentication system Opengate for IPv4/IPv6 network; 2006/09
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Reports 2006-DSM-43, 19-24
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • Outline of New System of Computer and Network Center; 2006/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 10, 75-80
    AUTHOR; H. Eto and S. tadaki
  • System for Preventing of Multilogin in Educational terminals; 2006/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 10, 91-96
    AUTHOR; Y. Matsubara, Y. Tanaka, H. Eto and S. Tadaki
  • Improvement and operation of the network user authentication system Opengate; 2006/09
    ANNOUNCEMENT INFO.; Journal of Academic Computing and Networking, 10, 97-102
    AUTHOR; M. Otani, H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • An automatic generator of static whitelists in the milter-greylist system; 2006/07
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Report 2006-DSM-42, 43-45
    AUTHOR; Y. Matsubara and S. Tadaki
  • ボトルネック上流の高密度一様流:流量保存による現象論; 2005/12
    ANNOUNCEMENT INFO.; , 33-36
    AUTHOR; 
  • Development of network usage authentication system using Java Servlet; 2005/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 9, 85-89
    AUTHOR; T. Nomura, S. Tobo, Y. Watanabe, K. Watanabe, H. Eto and S. Tadaki
  • Development of an online submission system by PHP; 2005/09
    ANNOUNCEMENT INFO.; Journal for Academic Computing and Networking, 9, 113-117
    AUTHOR; H. Eto, N. Yoshiga and S. Tadaki
  • Effective Writing Processes of System Specifications by XML; 2005/08
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Report 2005-DSM-38, 17-22
    AUTHOR; S. Tadaki
  • ボトルネック上流における渋滞形成; 2004/12
    ANNOUNCEMENT INFO.; , 57-60
    AUTHOR; 
  • University Database: Problems and Solutions for Collecting Basic Information of Teaching Staffs; 2004/07
    ANNOUNCEMENT INFO.; IPSJ SIG Technical Reports, 2004-DSM-33, 49 - 54
    AUTHOR; S. Tadaki, Y.Hieida, M. Otsuki, K. Watanabe and Y. Watanabe
  • Authentication and logging at public terminals with the "Opengate" system; 2004/05
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Report 2004-DSM-33, 65-70
    AUTHOR; S. Yasuda, H. Hanaishi, K. Watanabe, Y. Watanabe, H. Eto and S. Tadaki
  • 大規模分散ネットワーク環境における教育用計算機システム:Diskless Dual Boot編; 2004/03
    ANNOUNCEMENT INFO.; , 45, 3, 250-254
    AUTHOR; 
  • LDAPによる情報管理機能を有するウェブメールソフトウェアの開発; 2004
    ANNOUNCEMENT INFO.; , 8, 83-88
    AUTHOR; 
  • 大学データベースにおける教員基礎情報収集の問題点と解決法; 2004
    ANNOUNCEMENT INFO.; , 2004-DSM-34, 49-54
    AUTHOR; 
  • Unification of Information Systems at University-Integration; 2003/11
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2003-DSM-31, 1-5
    AUTHOR; H. Eto, Y. Tanaka, Y. Matubara and S. Tadaki
  • Stable service of Educational Windows Terminals with Diskless Boot Mechanism; 2003/04
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2003-DSM-29, 19-24
    AUTHOR; H. Eto, Y. Tanaka, Y. Matubara, S. Tadaki, K. Watanabe and Y. Watanabe
  • 車線間相関 - 大型車の役割 -; 2002/11
    ANNOUNCEMENT INFO.; , 9
    AUTHOR; 
  • 東名高速道路における流量ゆらぎ; 2002/11
    ANNOUNCEMENT INFO.; , 13
    AUTHOR; 
  • 二車線路CMOV模型; 2002/11
    ANNOUNCEMENT INFO.; , 29
    AUTHOR; 
  • Integrated Authentication for Campus-wide Information Systems; 2002/10
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2002-DSM-27, 31-36
    AUTHOR; H. Eto, K. Watanabe, S. Tadaki and Y. Watanabe
  • UNIX環境とWindows環境を提供可能な教育用ディスクレス端末システム; 2002
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2002-DSM-25, 19-23
    AUTHOR; 
  • Can we explain traffic congestion?; 2001/02
    ANNOUNCEMENT INFO.; RIMS Kokyuroku, 1191, 84-89
    AUTHOR; S. Tadaki
  • WEBベース講義支援システムの開発; 2001
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2001-DSM-21, 25-30
    AUTHOR; 
  • Webブラウザを用いたDNS管理システムの開発; 2001
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2001-DSM-21, 31-36
    AUTHOR; 
  • オンライン・シラバスの出力システムの開発; 2001
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 5, 57-60
    AUTHOR; 
  • 佐賀大学電子図書館システム「とんぼの眼」; 2001
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 5, 81-86
    AUTHOR; 
  • Webベースネットワーク運用システムの開発; 2001
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 2001-DSM-24, 25-30
    AUTHOR; 
  • 1車線高速道路におけるトンネル上流の渋滞形成; 2000/11
    ANNOUNCEMENT INFO.; , 14
    AUTHOR; 
  • トンネル上流の渋滞形成 - 2車線モデルと実測の比較 -; 2000/11
    ANNOUNCEMENT INFO.; , 21
    AUTHOR; 
  • 東名高速道路観測データからの知見(その2); 2000/11
    ANNOUNCEMENT INFO.; , 21
    AUTHOR; 
  • 利用者認証と利用記録機能を実現するゲートウェイシステムOpengateの開発; 2000
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 情報処理教育における統一した電子メール利用環境の実現; 2000
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • オンライン・シラバス; 2000
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 4, 105-109
    AUTHOR; 
  • センターの利用者管理を支援するWebベース統合環境; 2000
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 4, 111-118
    AUTHOR; 
  • 非対称Optimal velocity 模型; 1999/11
    ANNOUNCEMENT INFO.; , 13
    AUTHOR; 
  • 流入のある高速道での渋滞形成; 1999/11
    ANNOUNCEMENT INFO.; , 17
    AUTHOR; 
  • 車間距離観測ノイズによる輻輳流; 1999/11
    ANNOUNCEMENT INFO.; , 51
    AUTHOR; 
  • 東名高速道路観測データからの知見; 1999/11
    ANNOUNCEMENT INFO.; , 63
    AUTHOR; 
  • 情報教育用システムにおける管理作業とその振り分け; 1999
    ANNOUNCEMENT INFO.; J. Acad. Comp. Net. , 3, 97
    AUTHOR; 
  • CMOVモデルと輻輳交通流形成; 1998/11
    ANNOUNCEMENT INFO.; , 49
    AUTHOR; 
  • TCP/IPを利用したWindowsNT リモートシャットダウン; 1998
    ANNOUNCEMENT INFO.; IPSJ SIG Techanical Reports, 99-DSM-12, 61-66
    AUTHOR; 
  • 最適速度関数に基づく結合写像交通流シミュレータ; 1997/11
    ANNOUNCEMENT INFO.; , 19
    AUTHOR; 
  • パーソナルコンピュータを中心とした管理可能な情報処理教育環境の構築; 1997
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 開放交通網モデルのシミュレーション; 1996/11
    ANNOUNCEMENT INFO.; , 18
    AUTHOR; 
  • Self-organization in a two-dimensional cellular automaton model of traffic flow; 1996
    ANNOUNCEMENT INFO.; Bussei Kenkyu, 66, 3, 610-611
    AUTHOR; S. Tadaki
  • 二次元開放端CA交通流モデルにおける自己組織化; 1995/12
    ANNOUNCEMENT INFO.; , 28
    AUTHOR; 
  • 2次元交通量モデルにおける渋滞相の性質; 1994/12
    ANNOUNCEMENT INFO.; , 27
    AUTHOR; 
  • 2 次元セルオートマトン交通量モデルにおける渋滞相の安定性; 1994
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Schwarzschild 時空上の<Tμν>; 1987
    ANNOUNCEMENT INFO.; 
    AUTHOR; 

General Lectures

  • Machine Learning Analyses of Observed Highway Traffic Data; 2023/12
    ANNOUNCEMENT INFO.; The 29th Symposium on Traffic Flow and Self-driven Particles
    AUTHOR; Shin-ichi Tadaki
  • Semi-automated Generation of Linked Data from Unstructured Bibliographic Data for Japanese Historical Rare Books; 2017/09
    ANNOUNCEMENT INFO.; 14th International Conference on Digital Preservation (Kyoto, Sep. 2017)
    AUTHOR; N. Yoshiga and S. Tadaki
  • Dunbar's number in a microblogging service and its origin; 2016/12
    ANNOUNCEMENT INFO.; The 22th Symposium on Traffic Flow and Self-driven Particles (Kyoto University, 2016), 第22回交通流の自己駆動粒子径シンポジウム(京都大学、2016), The 22th Symposium on Traffic Flow and Self-driven Particles (Kyoto University, 2016)
    AUTHOR; 
  • Origins of Reverse Lane Usage Studied with Nagel-Schreckenberg Model; 2016/12
    ANNOUNCEMENT INFO.; The 22th Symposium on Traffic Flow and Self-driven Particles (Kyoto University, 2016)
    AUTHOR; Toshihiro Noda, Yasuhiro Hieida, and Shin-ichi Tadaki
  • Extracting and Construction Contextual Information from Unstructured Texts in Bibliographical Data of Japanese Historical Rare Books; 2016/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; Natsuko Yoshiga and Shin-ichi Tadaki
  • Linked Data Applied a Bibliographic Ontology as a Metadata Design of Historical Rare Books; 2015/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; N. Yoshiga, K. Wtanabe and S. Tadaki
  • Critical density of experimental traffic jam; 2013/09
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '13 (Sep. 25-27, 2013, Forschungszentrum Jeulich, Germany)
    AUTHOR; S. Tadaki, M, Kikuchi, M. Fukui, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama, T. Yosida and S. Yukawa
  • A MAC address based authentication system applicable to campus-scale network; 2013/09
    ANNOUNCEMENT INFO.; The 15th Asia-Pacific Network Operations and Management Symposium (APNOMS2013), Hiroshima, Japan (2013.09.27)
    AUTHOR; Yoshiaki Watanabe, Makoto Otani, Hirofumi Eto, Kenzi Watanabe and Shin-ichi Tadaki
  • Developing a Bibliographical Ontology and a Visual Search System for Histrocal Documents with Semantic Web Technologies; 2013/06
    ANNOUNCEMENT INFO.; The 27th Annual Conference of the Japanese Society for Artificial Intelligence 2013
    AUTHOR; N. Yoshiga, K. Watanabe and S. Tadaki
  • A Visual Search System with Semantic Web Technologies on Digital Archives for Historical documents; 2012/12
    ANNOUNCEMENT INFO.; International Conference on Convergence Content
    AUTHOR; Natsuko Yoshiga, Kenzi Watanabe, Shin-ichi Tadaki
  • Improving the efficiency in an authentication system and its compatibility for the Gakunin federation; 2012/05
    ANNOUNCEMENT INFO.; 
    AUTHOR; S. Tadaki, H. Eto, M. Otani and K. Watanabe
  • Phase transition in traffic flow experiments in circuit; 2011/12
    ANNOUNCEMENT INFO.; The 17th Symposium on Simulation of Traffic Flow (Nagoya University、2011/12/8-9)
    AUTHOR; S. Tadaki, M. Kikuchi, M. Fukui, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama, T. Yoshida and S. Yukawa
  • Anti-power-failure plans and power management at university ICT centers; 2011/10
    ANNOUNCEMENT INFO.; IPSJ SIG-IOT (Ehime University, 2011/10/7)
    AUTHOR; S. Tadaki, Y. Tanaka, T. Ono and K. Watanabe
  • Cost reduction and Service Improvement in E-mail Services by a Private Cloud Service; 2011/07
    ANNOUNCEMENT INFO.; IPSJ SIG-IOT (Okayama University, 2011/7/15)
    AUTHOR; Y. Matsubara, M. Otani, H. Eto, K. Watanabe and S. Tadaki
  • シボレスに対応し全教職員が利用可能な「事務連絡ボード」; 2011/05
    ANNOUNCEMENT INFO.; IPSJ SIG-IOT (Kyushu University, 2011/5/12-13)
    AUTHOR; Natsuko Yoshiga, Hirofumi Eto, Makoto Otani, Kenzi Watanabe and Shin-Ichi Tadaki
  • Vehicle Traffic Flow, Packet Flow and Human Behavior; 2011/03
    ANNOUNCEMENT INFO.; International Workshop on Information System for Social Innovation (The Institute of Statistical Mathematics, Tachikawa, Tokyo, 2011/2/28-3/4)
    AUTHOR; Shin-ichi TADAKI
  • 佐賀大学の新しい学術情報基盤 -仮想化、シンクライアント、シングルサインオン-; 2010/12
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Virtual user desktops through server-hosted thin-clients (The new educational terminal system in Saga University); 2010/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; S. Tadaki, Y. Tanaka, Y. Matsubara, Y. Hieida, H. Eto and K. Watanabe
  • Rewiring through epidemic spreading; 2010/06
    ANNOUNCEMENT INFO.; Conference on Computational Physics 2010 (Trondheim, Norway)
    AUTHOR; S. Tadaki
  • Effects of Fast Noises on Long-Range Correlations; 2009/12
    ANNOUNCEMENT INFO.; Conference on Computational Physics 2009 (Kaohsiung, Taiwan)
    AUTHOR; S. Tadaki
  • Effects of short-range noises on the power spectrum and the Detrended Fluctuation Analysis; 2008/12
    ANNOUNCEMENT INFO.; The 14th Symposium on Simulation of Traffic Flow (2008/11/28, Nagoya University)
    AUTHOR; S. Tadaki
  • Long-term correlation in Internet demand: case of e-mail sending; 2008/12
    ANNOUNCEMENT INFO.; the 14th Symposium on Simulation of Traffic Flow (2008/11/28, Nagoya University)
    AUTHOR; Y. Matsubara, Y. Hieida and S. Tadaki
  • Collecting assessment data form all teaching staffs: Results and Problems; 2008/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; S. Tadaki, T. Endo, K. Funakubo, Y. Kishikawa, S. Murayama and H. Yamada
  • Unified data services in universities: From viewpoints of university assessments; 2008/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; S. Tadaki, T. Endo, K. Funakubo, Y. Kishikawa, S. Murayama and H. Yamada
  • Packet flow and its temporal properties on networks; 2007/06
    ANNOUNCEMENT INFO.; Traffic and Granular Flow 2007 (Paris)
    AUTHOR; S. Tadaki
  • ボトルネックによる渋滞形成; 2006/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • インターネットパケット流の長時間ゆらぎ; 2006/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Scale-free features in the observed traffic flow; 2005
    ANNOUNCEMENT INFO.; Traffic and Granular Flow 2005(Berlin, Germany)
    AUTHOR; S. Tadaki, M. Kikuchi, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama and S. Yukawa
  • Slow stable traffic flow at the upper stream of bottleneck; 2004/09
    ANNOUNCEMENT INFO.; Conference on Computational Physics 2004 (Genoa, Italy)
    AUTHOR; S. Tadaki, M. Kikuchi, A. Nakayama, Y. Sugiyama and S. Yukawa
  • 交通流実測データ解析とシミュレーション; 2004/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 交通流時系列における特徴的時間スケール; 2004/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Fluctuation in Experssway Traffic Flow; 2003/10
    ANNOUNCEMENT INFO.; Traffic and Granular Flow '03 (TU Delft, Netherland)
    AUTHOR; M. Kikuchi, A. Nakayama, K. Nishinari, A. Shibata, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Traffic Flow as Physics of Many-Body System; 2003/08
    ANNOUNCEMENT INFO.; CTS2003(10th IFAC Symposium on Control in Transportation Systems)Seikei University (Tokyo)
    AUTHOR; Y. Sugiyama, M. Kikuchi, A. Nakayama, A. Nishinari, K. Shibata, S. Tadaki and S. Yukawa
  • Formation of Synchronized Flow at the Upper Stream of Bottleneck in Optimal Velocity MOdel; 2003/08
    ANNOUNCEMENT INFO.; CTS2003(10th IFAC Symposium on Control in Transportation Systems)Seikei University (Tokyo)
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • Computational Science -New tools for opening new research area-; 2003/05
    ANNOUNCEMENT INFO.; SIM2003(The 3rd Indonesian Scientific Meeting 2003) Saga University 2003/5
    AUTHOR; S. Tadaki
  • 高速道路交通流のゆらぎ; 2003/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 高速道路交通流の渋滞パターン; 2003/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 高速道交通流における大型車の役割; 2003/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Properties of congestion at an upper stream of a tunnel; 2002/08
    ANNOUNCEMENT INFO.; Conference on Computational Physics (San Diego, USA)
    AUTHOR; S. Tadaki
  • Analysis of congested flow at the upper stream of a tunnel; 2001/11
    ANNOUNCEMENT INFO.; International Symposium on Slow Dynamical Processes in Nature (Seoul, Korea)
    AUTHOR; S. Tadaki, K. Nishinari, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • 非対称最適速度交通流模型における渋滞形成; 2001/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Coupled map traffic flow model for one-lane expressways with blockades; 2000/12
    ANNOUNCEMENT INFO.; Conference on Computational Physics 2000 (Gold Coast, Australia)
    AUTHOR; S. Tadaki, M. Kikuchi, Y. Sugiyama and S. Yukawa
  • セルオートマトン交通網模型 - 経路制御と渋滞形成 -; 1999/07
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Congestion in Generalized Force Model of Traffic Flow; 1999/03
    ANNOUNCEMENT INFO.; 54th JPS Meeting (Hiroshima University)
    AUTHOR; S. Tadaki and E. Schahverdiev
  • 雑音による輻輳交通流形成II; 1998/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Noise-induced congested flow in coupled map traffic flow model; 1998/06
    ANNOUNCEMENT INFO.; XXth IUPAP International Conference on Statistical Physics (Paris, France)
    AUTHOR; S. Tadaki, M. kikuchi, Y. Sugiyama and S. Yukawa
  • 結合写像型最適速度交通流モデル; 1998/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 雑音による輻輳交通流形成; 1998/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Traffic flow simulator based on optimal velocity function; 1997/11
    ANNOUNCEMENT INFO.; 2nd Tohwa University International Meeting (Fukuoka, Japan)
    AUTHOR; M. Kikuchi, Y. Sugiyama, S. Tadaki and S. Yukawa
  • 最適速度関数を用いた結合写像型交通流シミュレータ; 1997/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2次元開放端セルオートマトン交通流モデルにおける渋滞クラスタの形成; 1996/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2次元開放端セルオートマトン交通流モデルにおける自己組織化; 1996/04
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 交通流の2次元セルオートマトンによるモデル化 - 相転移と自己組織化 -; 1996/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Self-organization in a two-dimensional cellular automaton model of traffic flow; 1995/11
    ANNOUNCEMENT INFO.; 1st Tohwa University Statistical Physics Meeting (Fukuoka, Japan)
    AUTHOR; S. Tadaki
  • 1次元有限線形セルオートマトンの周期が持つ階層構造; 1995/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Jam phases in a two-dimensional cellular automaton model of traffic flow; 1995/08
    ANNOUNCEMENT INFO.; 19th IUPAP International Conference on Statistical Physics (Xiamen, China)
    AUTHOR; S. Tadaki and M. Kikuchi
  • 2次元セルオートマトン交通流モデルにおける渋滞相のフラクタル構造; 1995/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2次元交通量モデルにおける渋滞相の空間構造; 1994/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 非等方二次元交通量モデルにおける渋滞; 1994/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 周期境界条件を持つ1次元線形セルオートマトンの周期性; 1994/09
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Periodic orbits of finite linear cellular automata; 1994/07
    ANNOUNCEMENT INFO.; BrisPhys '94 (Brisbane, Australia)
    AUTHOR; S. Tadaki
  • 2次元セルオートマトン交通量モデルにおける渋滞相の性質; 1994/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 2次元交通量モデルにおける渋滞相の性質; 1993/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Freeway Jam II : 二次元モデル; 1993/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 1次元有限線形セルオートマトンにおける周期性; 1993/03
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 1次元有限線形セルオートマトンにおける周期性; 1992/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 曲がった時空上の<Tμν>;; 1990
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Dynamics of Cosmological Domain Walls; 1990
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 分数計算を指導する知的CAI--分数の基礎概念と加減算の多重階層世界--; 1990
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 分数計算を指導する知的CAI --システム構成--; 1990
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 一様等方宇宙に埋め込まれたブラックホールからのホーキング輻射; 1989
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Hawking Radiation from Cosmological Black Holes; 1989
    ANNOUNCEMENT INFO.; 12th International Conference on General Relativity and Gravitation (July 2-8, 1989) (University of Colorado)
    AUTHOR; S. Tadaki
  • 2次元Schwarzschild-de Sitter時空上の場の量子論; 1989
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Classification of Conformal Cosmological Models; 1989
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Domain Walls Coupled to Gravity; 1989
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Schwarzschild 時空上の<Tμν>;; 1987
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Schwarzschild 時空上の<Tμν>; II; 1987
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Friedmann 時空上のスカラー場; 1987
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Hadamard正則化法とconformal変換; 1987
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • Schwarzschild 時空上の<Tμν>;; 1986
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • ブラックホールと黒体輻射からなる系の平衡状態; 1984
    ANNOUNCEMENT INFO.; 
    AUTHOR; 

Other Lectures

  • Toward Business Continuity Plans for ICT Sections in Universities; 2011/08
    ANNOUNCEMENT INFO.; Lecture at TOPIC meeting (Tohoku University, 2011/8/3)
    AUTHOR; S. Tadaki
  • 佐賀大学におけるシングルサインオンの取り組みと今後の展望; 2011/02
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 学術情報基盤の現状と課題 - 所有から利用へ -; 2009/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 大学情報システムの強化・効率化 -統合・アウトソーシング。協同化-; 2009/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • ITは大学運営の効率化に寄与しているか?; 2008/10
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 情報センターと図書館の融合の行方; 2007/06
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • 利用者用ネットワークと統合認証; 2006/01
    ANNOUNCEMENT INFO.; 
    AUTHOR; 
  • シンクライアントで実現!コンピュータ管理コスト削減; 2005/11
    ANNOUNCEMENT INFO.; 
    AUTHOR; 

Invited Lecture, Special Lecture

  • Information Infrasturcture based on Authentication System: Case of Saga University; 2011/03
    ANNOUNCEMENT INFO.; 74th Annual Meeting of Information Processing Society of Japan
    AUTHOR; Shin-ichi Tadaki


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