Shudo, Kazuyuki(Academic Center for Computing and Media Studies (ACCMS)) | Activity Database on Education and Research, Kyoto University

Shudo, Kazuyuki

Academic Center for Computing and Media Studies (ACCMS) Professor

Last Updated :2026/07/28

Basic Information

Affiliated programs (koza)

Graduate School of Informatics, 社会情報学コース社会情報解析基盤講座, 教授

Email Address

Email Address
shudo.kazuyuki.3xkyoto-u.ac.jp

Professional Memberships

Japan Society for Software Science and Technology (JSSST)

Association for Computing Machineary (ACM)

IEEE Computer Society (IEEE-CS)

Information Processing Society of Japan (IPSJ)

日本ソフトウェア科学会

Association for Computing Machineary (ACM)

IEEE Computer Society (IEEE-CS)

情報処理学会

Academic Degree

15 Mar. 2001
早稲田大学博士（情報科学）

15 Mar. 1998
早稲田大学修士（情報科学）

Academic Resume (Undergraduate School/Majors)

早稲田大学, 理工学部, 情報学科, 卒業

High School

High School
神奈川県立横須賀高等学校

Research History

From Apr. 2022, To Present
Kyoto University, Academic Center for Computing and Media Studies, Professor

From Apr. 2016, To Mar. 2022
Tokyo Institute of Technology, Dept. of Mathematical and Computing Science, School of Computing, Associate Professor

From Dec. 2008, To Mar. 2016
Tokyo Institute of Technology, Dept. of Mathematical and Computing Sciences, Graduate School of Information Science and Engineering, Associate Professor

From Apr. 2006, To Nov. 2008
Utagoe Inc., Director, CTO

From Apr. 2001, To Mar. 2006
National Institute of Advanced Industrial Science and Technology (AIST), Research Scientist

From Apr. 1998, To Mar. 2001
Waseda University, Media Network Center, Research Associate

ID,URL

J-Global ID
200901021576879739
Researcher number
90308271
External link
http://www.shudo.net/

researchmap URL

https://researchmap.jp/kazuyukishudo

Last Updated :2026/07/28

Research

Research Areas

Informatics, Database science

Informatics, Computer systems

Informatics, Software

Papers

A Fully Local Last-Generated Rule in a Blockchain.
Akira Sakurai; Kazuyuki Shudo
IEEE Access, 08 Jun. 2026, Peer-reviewed

On the Incentive Compatibility of Block Propagation in Bitcoin.
Fumichika Maeda; Akira Sakurai; Taishi Nakai; Kazuyuki Shudo
arXiv, 05 Jun. 2026

Model-Based Calculation Method of Mining Fairness in Blockchain.
Akira Sakurai; Kazuyuki Shudo
IEEE Open J. Comput. Soc., 17 Dec. 2025, Peer-reviewed

Measuring Geographic Preferences in Social Networks Beyond Population Bias.
Keitaro Takayanagi; Shiori Hironaka; Kazuyuki Shudo
Proc. IEEE Big Data 2025 (ABCSS 2025), 09 Dec. 2025, Peer-reviewed

Bringing Together Cross-ISA Checkpoint/Restoration and AOT Compilation of WebAssembly Programs
Raiki Tamura; Daisuke Kotani; Kazuyuki Shudo; Yasuo Okabe
Proceedings of the 22nd ACM SIGPLAN International Conference on Managed Programming Languages and Runtimes (MPLR 2025), 09 Oct. 2025, Peer-reviewed

An Experimental Analysis of Blockchain Mining Using Game Theory.
Kakeru Hayashi; Akira Sakurai; Kazuyuki Shudo
Proc. 7th Int'l Conf. on Blockchain Computing and Applicatios (BCCA 2025), Oct. 2025, Peer-reviewed

Ridesharing Simulation to Explore Matching Algorithms.
Kazuyuki Shudo; Tsuyoshi Hasegawa; Yuito Ueda; Hiroshige Umino; Masahiro Sano; Keisuke Sogawa
Proc. DS-RT 2025, Sep. 2025, Peer-reviewed

Clustering coefficient reflecting pairwise relationships within hyperedges
Rikuya Miyashita; Shiori Hironaka; Kazuyuki Shudo
Scientific Reports, 01 Jul. 2025, Peer-reviewed
Access this paper :

The Rich Get Richer in Bitcoin Mining Induced by Blockchain Forks.
Akira Sakurai; Kazuyuki Shudo
arXiv, Jun. 2025

FiberPool: Leveraging Multiple Blockchains for Decentralized Pooled Mining.
Akira Sakurai; Kazuyuki Shudo
arXiv, 26 Jan. 2025

The More Halving Advances, the More Rational Double Spending Attack is.
Taishi Nakai; Akira Sakurai; Kazuyuki Shudo
Proc. IEEE ICCE 2025, Jan. 2025, Peer-reviewed

Loss Based Byzantine Resilience for Decentralized Learning.
Shinnosuke Masuda; Kazuyuki Shudo
Proc. IEEE ICCE 2025, Jan. 2025, Peer-reviewed

Balancing Computing and Networking in Autonomous Edge Clouds.
Shinnosuke Masuda; Tsuyoshi Hasegawa; Kazuyuki Shudo; Kenjiro Cho
22nd IEEE Consumer Communications & Networking Conference(CCNC), Jan. 2025, Peer-reviewed

Tie-Breaking Rule Based on Partial Proof of Work in a Blockchain.
Akira Sakurai; Kazuyuki Shudo
IEEE Access, 23 Dec. 2024, Peer-reviewed

Comparing User Activity on X and Mastodon
Shiori Hironaka; Mitsuo Yoshida; Kazuyuki Shudo
Proc. IEEE Big Data 2024 (ABCSS 2024), 15 Dec. 2024, Peer-reviewed

Estimation of Graph Features Based on Random Walks Using Neighbors’ Properties
Tsuyoshi Hasegawa; Shiori Hironaka; Kazuyuki Shudo
Proc. WISE 2024 (LNCS 15437), 03 Dec. 2024, Peer-reviewed

Effective Ethereum Staking in Cryptocurrency Exchanges
Yuto Takei; Kazuyuki Shudo
2024 IEEE International Conference on Blockchain (Blockchain), 19 Aug. 2024, Peer-reviewed

Correlation Analysis of Reward Rate in a DPoS Blockchain.
Hidemasa Tanaka; Shiori Hironaka; Kazuyuki Shudo
Proc. IEEE Blockchain 2024 (FBS 2024), Aug. 2024, Peer-reviewed

A Formulation of the Trilemma in Proof of Work Blockchain.
Taishi Nakai; Akira Sakurai; Shiori Hironaka; Kazuyuki Shudo
IEEE Access, Jun. 2024, Peer-reviewed
Access this paper :

FATF Travel Rule's Technical Challenges and Solution Taxonomy.
Yuto Takei; Kazuyuki Shudo
IEEE International Conference on Blockchain and Cryptocurrency(ICBC), May 2024, Peer-reviewed

Pragmatic Analysis of Key Management for Cryptocurrency Custodians.
Yuto Takei; Kazuyuki Shudo
IEEE International Conference on Blockchain and Cryptocurrency(ICBC), May 2024, Peer-reviewed

Quantitative Analysis of the Reward Rate Disparity Among Delegators in a DPoS Blockchain.
Hidemasa Tanaka; Shiori Hironaka; Kazuyuki Shudo
Proc. IEEE BigComp 2024, Feb. 2024, Peer-reviewed

Impacts on Fork Rate of Changes of Block Size and Block Generation Time for Blockchain Scalability.
Taishi Nakai; Kazuyuki Shudo
Proc. IEEE ICCE 2024, Jan. 2024, Peer-reviewed

The Blockchain Trilemma Described by a Formula.
Taishi Nakai; Akira Sakurai; Shiori Hironaka; Kazuyuki Shudo
Proc. IEEE Blockchain 2023, Dec. 2023, Peer-reviewed

Gossip Distillation: Decentralized Deep Learning Transmitting Neither Training Data Nor Models.
Taisuke Moriwaki; Kazuyuki Shudo
Proc. IEEE VCC 2023, Nov. 2023, Peer-reviewed

Quantifying gender imbalance in East Asian academia: Research career and citation practice.
Kazuki Nakajima; Ruodan Liu; Kazuyuki Shudo; Naoki Masuda
Journal of Informetrics, Nov. 2023, Peer-reviewed

Random Hypergraph Model Preserving Two-Mode Clustering Coefficient.
Rikuya Miyashita; Kazuki Nakajima; Mei Fukuda; Kazuyuki Shudo
Proc. DaWaK 2023, Aug. 2023, Peer-reviewed

Hypergraph Embedding Based on Random Walk with Adjusted Transition Probabilities.
Kazuya Nagasato; Satoshi Takabe; Kazuyuki Shudo
Proc. DaWaK 2023, Aug. 2023, Peer-reviewed

Accelerating Block Propagation with Sender Switchover in a Blockchain.
Akira Sakurai; Kazuyuki Shudo
Proc. IEEE ISCC 2023, Jul. 2023, Peer-reviewed

Quick Notification of Block Generation Using Bloom Filter in a Blockchain.
Tsuyoshi Hasegawa; Akira Sakurai; Kazuyuki Shudo
Proc. IEEE ISCC 2023, Jul. 2023, Peer-reviewed

A Study of Using Plumtree Algorithm in Blockchain Networks.
Yusuke Kitagawa; Kazuyuki Shudo; Osamu Mizuno; Ryohei Banno
Journal of Information Processing, 15 Jun. 2023, Peer-reviewed

Blockchain Network Studies Enabled by SimBlock.
Kazuyuki Shudo; Tsuyoshi Hasegawa; Akira Sakurai; Ryohei Banno
Proc. IEEE ICBC 2023, May 2023, Peer-reviewed

Higher-order rich-club phenomenon in collaborative research grant networks.
Kazuki Nakajima; Kazuyuki Shudo; Naoki Masuda
Scientometrics, Apr. 2023, Peer-reviewed

Broadcast with Tree Selection from Multiple Spanning Trees on an Overlay Network.
Takeshi Kaneko; Kazuyuki Shudo
IEICE Transactions on Communications, Feb. 2023, Peer-reviewed

Impact of the Hash Rate on the Theoretical Fork Rate of Blockchain.
Akira Sakurai; Kazuyuki Shudo
Proc. IEEE ICCE 2023, Jan. 2023, Peer-reviewed

Randomizing Hypergraphs Preserving Two-mode Clustering Coefficient.
Rikuya Miyashita; Kazuki Nakajima; Mei Fukuda; Kazuyuki Shudo
Proc. IEEE BigComp 2023, Jan. 2023, Peer-reviewed

Random Walk Sampling in Social Networks Involving Private Nodes.
Kazuki Nakajima; Kazuyuki Shudo
ACM Transactions on Knowledge Discovery from Data (TKDD), 06 Sep. 2022, Peer-reviewed

Block Pruning with UTXO Aggregation.
Taegyu Song; Kazuyuki Shudo
Proc. IEEE Blockchain 2022, Aug. 2022, Peer-reviewed

Block Interval Adjustment Based on Block Propagation Time in a Blockchain.
Masumi Arakawa; Kazuyuki Shudo
Proc. IEEE Blockchain 2022, Aug. 2022, Peer-reviewed

A Distributed Clock Synchronization Protocol for Proof of Stake Blockchains.
Yuya Miki; Kazuyuki Shudo
Proc. IEEE Blockchain 2022, Aug. 2022, Peer-reviewed

Higher-order rich-club phenomenon in collaborative research grants.
Kazuki Nakajima; Kazuyuki Shudo; Naoki Masuda
arXiv, 23 Jun. 2022

Detecting and Forecasting Local Collective Sentiment Using Emojis.
Mei Fukuda; Kazuyuki Shudo; Hiroki Sayama
Workshop Proceedings of the 16th International AAAI Conference on Web and Social Media, Jun. 2022, Peer-reviewed

Social Graph Restoration via Random Walk Sampling.
Kazuki Nakajima; Kazuyuki Shudo
Proc. IEEE ICDE 2022, May 2022, Peer-reviewed

Estimating the Bot Population on Twitter via Random Walk Based Sampling.
Mei Fukuda; Kazuki Nakajima; Kazuyuki Shudo
IEEE Access, 07 Feb. 2022, Peer-reviewed

Trail: An Architecture for Compact UTXO-Based Blockchain and Smart Contract.
Ryunosuke Nagayama; Ryohei Banno; Kazuyuki Shudo
IEICE Transactions on Information & Systems, 01 Feb. 2022, Peer-reviewed

Broadcast with Tree Selection on An Overlay Network.
Takeshi Kaneko; Kazuyuki Shudo
Proc. ICOIN 2022, Jan. 2022, Peer-reviewed

An Efficient Range Search Method Utilizing Detour Routes in Skip Graph.
Yuya Miki; Takeshi Kaneko; Ryohei Banno; Kazuyuki Shudo
Proc. IEEE CCNC 2022, Jan. 2022, Peer-reviewed

Randomizing Hypergraphs Preserving Degree Correlation and Local Clustering.
Kazuki Nakajima; Kazuyuki Shudo; Naoki Masuda
IEEE Transactions on Network Science and Engineering (TNSE), 08 Dec. 2021, Peer-reviewed

An Examination Protocol for Handling Programmable Answers Using a Public Blockchain.
Shu Takayama; Yuto Takei; Kazuyuki Shudo
Proc. IEEE Blockchain 2021 (BSAP 2021), Dec. 2021, Peer-reviewed

Impact of Saving Attacks on Blockchain Consensus.
Kai Otsuki; Ryuya Nakamura; Kazuyuki Shudo
IEEE Access, 23 Sep. 2021, Peer-reviewed

Exploiting semi-structured overlay networks in blockchain systems
Ryohei Banno; Yusuke Kitagawa; Kazuyuki Shudo
IEICE Communications Express, 01 Aug. 2021, Peer-reviewed

Communication Scheduling for Gossip SGD in a Wide Area Network.
Hideaki Oguni; Kazuyuki Shudo
IEEE Access, 25 May 2021, Peer-reviewed

Dynamic Computing Resources Allocation for Multiple Deep Learning Tasks.
Liang Wei; Kazuyuki Shudo
IEEE International Parallel and Distributed Processing Symposium Workshops, May 2021, Peer-reviewed

Addressing the Heterogeneity of A Wide Area Network for DNNs.
Hideaki Oguni; Kazuyuki Shudo
Proc. IEEE CCNC 2021, Jan. 2021, Peer-reviewed

Estimating Properties of Social Networks via Random Walk considering Private Nodes.
Kazuki Nakajima; Kazuyuki Shudo
KDD '20: The 26th ACM SIGKDD Conference on Knowledge Discovery and Data Mining(KDD), Aug. 2020, Peer-reviewed

An Efficient Routing Method for Range Queries in Skip Graph
Ryohei Banno; Kazuyuki Shudo
IEICE Transactions on Information and Systems, Mar. 2020, Peer-reviewed

Trail: A Blockchain Architecture for Light Nodes.
Ryunosuke Nagayama; Ryohei Banno; Kazuyuki Shudo
IEEE Symposium on Computers and Communications(ISCC), 2020

Identifying Impacts of Protocol and Internet Development on the Bitcoin Network.
Ryunosuke Nagayama; Ryohei Banno; Kazuyuki Shudo
IEEE Symposium on Computers and Communications(ISCC), 2020

Block Interval Adjustment Toward Fair Proof-of-Work Blockchains.
Reiki Kanda; Kazuyuki Shudo
36th IEEE International Conference on Data Engineering Workshops, 2020

Adaptive Topology for Scalability and Immediacy in Distributed Publish/Subscribe Messaging.
Ryohei Banno; Kazuyuki Shudo
44th IEEE Annual Computers, Software, and Applications Conference(COMPSAC), 2020

Quantitatively Analyzing Relay Networks in Bitcoin.
Kai Otsuki; Ryohei Banno; Kazuyuki Shudo
IEEE International Conference on Blockchain(Blockchain), 2020

Estimating High Betweenness Centrality Nodes via Random walk in Social Networks.
Kazuki Nakajima; Kazuyuki Shudo
Journal of Information Processing, 2020

Detouring Skip Graph: Efficient Routing via Detour Routes on Skip Graph Topology.
Takeshi Kaneko; Ryohei Banno; Kazuyuki Shudo; Kota Abe; Yuuichi Teranishi
IEEE Open Journal of the Communications Society, 2020

Detouring Skip Graph: A Structured Overlay Utilizing Detour Routes
Takeshi Kaneko; Ryohei Banno; Kazuyuki Shudo; Yusuke Aoki; Kota Abe; Yuuichi Teranishi
Proceedings of The Anual IEEE Consumer Communications and Networking Conference (CCNC), Jan. 2020, Peer-reviewed

Skip Suffix Array: A Partial Match Retrieval Method on Structured Overlay Networks
Ryohei Banno; Kazuyuki Shudo
Proceedings of The IEEE International Conference on Information Networking (ICOIN), Jan. 2020, Peer-reviewed

Interworking Layer of Distributed MQTT Brokers
Ryohei Banno; Jingyu Sun; Susumu Takeuchi; Kazuyuki Shudo
IEICE Transactions on Information and Systems, Dec. 2019, Peer-reviewed

Effects of a Simple Relay Network on the Bitcoin Network
Kai Otsuki; Ryohei Banno; Kazuyuki Shudo
Proceedings of The Asian Internet Engineering Conference (AINTEC), Aug. 2019, Peer-reviewed

Simulating a Blockchain Network with SimBlock
Ryohei Banno; Kazuyuki Shudo
Proceedings of The IEEE International Conference on Blockchain and Cryptocurrency (ICBC), May 2019, Peer-reviewed

SimBlock: A Blockchain Network Simulator
Yusuke Aoki; Kai Otsuki; Takeshi Kaneko; Ryohei Banno; Kazuyuki Shudo
Proceedings of The Workshop on Cryptocurrencies and Blockchains for Distributed Systems (CryBlock), Apr. 2019, Peer-reviewed

SimBlock: A Blockchain Network Simulator.
Yusuke Aoki; Kai Otsuki; Takeshi Kaneko; Ryohei Banno; Kazuyuki Shudo
CoRR, 2019

Metropolis-Hastings Random Walk with a Reduced Number of Self-Loops.
Toshiki Matsumura; Kazuyuki Shudo
2019 IEEE Intl Conf on Parallel & Distributed Processing with Applications(ISPA/BDCloud/SocialCom/SustainCom), 2019

Distributed ID/Locator Resolution System for Inter Mesh Networks.
Masaaki Ohnishi; Kazuyuki Shudo
33rd International Conference on Information Networking(ICOIN), 2019

A Framework for Model Search Across Multiple Machine Learning Implementations.
Yoshiki Takahashi; Masato Asahara; Kazuyuki Shudo
15th International Conference on eScience(eScience), 2019

Proximity Neighbor Selection in Blockchain Networks.
Yusuke Aoki; Kazuyuki Shudo
IEEE International Conference on Blockchain(Blockchain), 2019

Estimation of Data Propagation Time on the Bitcoin Network.
Reiki Kanda; Kazuyuki Shudo
AINTEC '19(AINTEC), 2019

Comparing Graph Sampling Methods Based on the Number of Queries.
Kenta Iwasaki; Kazuyuki Shudo
IEEE International Conference on Parallel & Distributed Processing with Applications(ISPA/IUCC/BDCloud/SocialCom/SustainCom), 2018

Estimating Top-k Betweenness Centrality Nodes in Online Social Networks.
Kazuki Nakajima; Kenta Iwasaki; Toshiki Matsumura; Kazuyuki Shudo
IEEE International Conference on Parallel & Distributed Processing with Applications(ISPA/IUCC/BDCloud/SocialCom/SustainCom), 2018

Ballistic Skip Graph: A Skip Graph-Style Constant-Degree Structured Overlay.
Yusuke Aoki; Masaaki Ohnishi; Kazuyuki Shudo
2018 IEEE Symposium on Computers and Communications(ISCC), 2018

Average Path Length Estimation of Social Networks by Random Walk.
Toshiki Matsumura; Kenta Iwasaki; Kazuyuki Shudo
2018 IEEE International Conference on Big Data and Smart Computing(BigComp), 2018

Estimating the Clustering Coefficient of a Social Network by a Non-backtracking Random Walk.
Kenta Iwasaki; Kazuyuki Shudo
2018 IEEE International Conference on Big Data and Smart Computing(BigComp), 2018

Dissemination of Edge-Heavy Data on Heterogeneous MQTT Brokers
Ryohei Banno; Jingyu Sun; Masahiro Fujita; Susumu Takeuchi; Kazuyuki Shudo
Proceedings of The IEEE International Conference on Cloud Networking (CloudNet), Sep. 2017, Peer-reviewed

Message bundling on structured overlays.
Kazuyuki Shudo
2017 IEEE Symposium on Computers and Communications(ISCC), 2017

Causal Consistency for Data Stores and Applications as They are.
Kazuyuki Shudo; Takashi Yaguchi
Journal of Information Processing, 2017

Skip Graph Approaching to an Ideal Topology
Takafumi Kawaguchi; Ryohei Banno; Masashi Hojo; Masaaki Ohnishi; Kazuyuki Shudo
2017 14TH IEEE ANNUAL CONSUMER COMMUNICATIONS & NETWORKING CONFERENCE (CCNC), 2017, Peer-reviewed

Parallel Discrete-Event Simulation on Data Processing Engines.
Kazuyuki Shudo; Yuya Kato; Takahiro Sugino; Masatoshi Hanai
20th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications(DS-RT), 2016

Causal Consistency for Distributed Data Stores and Applications as They are.
Kazuyuki Shudo; Takashi Yaguchi
40th IEEE Annual Computer Software and Applications Conference(COMPSAC), 2016

A caching mechanism based on data freshness.
Yasunari Takatsuka; Hiroya Nagao; Takashi Yaguchi; Masatoshi Hanai; Kazuyuki Shudo
2016 International Conference on Big Data and Smart Computing(BigComp), 2016

Self-Refining Skip Graph: A Structured Overlay Approaching to Ideal Skip Graph
Takafumi Kawaguchi; Ryohei Banno; Masashi Hojo; Kazuyuki Shudo
PROCEEDINGS 2016 IEEE 40TH ANNUAL COMPUTER SOFTWARE AND APPLICATIONS CONFERENCE WORKSHOPS (COMPSAC), VOL 2, 2016, Peer-reviewed

FRT-Skip Graph: A Skip Graph-Style Structured Overlay based on Flexible Routing Tables
Masashi Hojo; Ryohei Banno; Kazuyuki Shudo
2016 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATION (ISCC), 2016, Peer-reviewed

A two-dimensional structured overlay based on flexible routing tables.
Masashi Hojo; Hiroya Nagao; Takehiro Miyao; Kazuyuki Shudo
2015 IEEE Symposium on Computers and Communication(ISCC), 2015

Mergeable flexible routing tables: A design framework for reusable structured overlay algorithms.
Hiroya Nagao; Kazuyuki Shudo
2015 International Conference on Information Networking(ICOIN), 2015

GFRT-chord: Flexible Structured Overlay Using Node Groups.
Hiroya Nagao; Kazuyuki Shudo
2014 IEEE 11th Intl Conf on Ubiquitous Intelligence and Computing and 2014 IEEE 11th Intl Conf on Autonomic and Trusted Computing and 2014 IEEE 14th Intl Conf on Scalable Computing and Communications and Its Associated Workshops(UIC/ATC/ScalCom), 2014

Routing table construction method solely based on query flows for structured overlays.
Yasuhiro Ando; Hiroya Nagao; Takehiro Miyao; Kazuyuki Shudo
14th IEEE International Conference on Peer-to-Peer Computing(P2P), 2014

A structured overlay for non-uniform node identifier distribution based on flexible routing tables.
Takehiro Miyao; Hiroya Nagao; Kazuyuki Shudo
IEEE Symposium on Computers and Communications(ISCC), 2014

Towards a Framework for Adaptive Resource Provisioning in Large-Scale Distributed Agent-Based Simulation.
Masatoshi Hanai; Toyotaro Suzumura; Anthony Ventresque; Kazuyuki Shudo
Euro-Par 2014: Parallel Processing Workshops - Euro-Par 2014 International Workshops, 2014

Optimistic Parallel Simulation of Very Large-Scale Peer-to-Peer Systems.
Masatoshi Hanai; Kazuyuki Shudo
18th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications(DS-RT), 2014

An Adaptive VM Provisioning Method for Large-Scale Agent-Based Traffic Simulations on the Cloud.
Masatoshi Hanai; Toyotaro Suzumura; Anthony Ventresque; Kazuyuki Shudo
IEEE 6th International Conference on Cloud Computing Technology and Science(CloudCom), 2014

FRT-2-Chord: A DHT Supporting Seamless Transition between One-hop and Multi-hop Lookups with Symmetric Routing Table
Yasuhiro Ando; Hiroya Nagao; Takehiro Miyao; Kazuyuki Shudo
2014 INTERNATIONAL CONFERENCE ON INFORMATION NETWORKING (ICOIN 2014), 2014, Peer-reviewed

A method for designing proximity-aware routing algorithms for structured overlays.
Takehiro Miyao; Hiroya Nagao; Kazuyuki Shudo
2013 IEEE Symposium on Computers and Communications(ISCC), 2013

MyCassandra: a cloud storage supporting both read heavy and write heavy workloads.
Shunsuke Nakamura; Kazuyuki Shudo
The 5th Annual International Systems and Storage Conference(SYSTOR), 2012

A 3D visualization system for structured overlays.
Hiroya Nagao; Shuji Suzuki; Kazuyuki Shudo
2011 IEEE International Conference on Peer-to-Peer Computing, 2011

Flexible routing tables: Designing routing algorithms for overlays based on a total order on a routing table set.
Hiroya Nagao; Kazuyuki Shudo
2011 IEEE International Conference on Peer-to-Peer Computing, 2011

Churn Tolerance Improvement Techniques in an Algorithm-Neutral DHT.
Kazuyuki Shudo
Scalability of Networks and Services, Third International Conference on Autonomous Infrastructure, Management and Security(AIMS), 2009

Overlay weaver: An overlay construction toolkit
Kazuyuki Shudo; Yoshio Tanaka; Satoshi Sekiguchi
COMPUTER COMMUNICATIONS, Feb. 2008, Peer-reviewed

P3: P2P-based middleware enabling transfer and aggregation of computational resources
Kazuyuki Shudo; Yoshio Tanaka; Satoshi Sekiguchi
2005 IEEE International Symposium on Cluster Computing and the Grid, CCGrid 2005, 2005, Peer-reviewed

Cost-effective compilation techniques for Java just-in-time compilers
Kazuyuki Shudo; Satoshi Sekiguchi; Yoichi Muraoka
Systems and Computers in Japan, 15 Nov. 2004, Peer-reviewed

Constructing Grid Applications Using Standard Grid Middleware.
Hiroshi Takemiya; Kazuyuki Shudo; Yoshio Tanaka; Satoshi Sekiguchi
Journal of Grid Computing, 2003

Asynchronous migration of execution context in Java Virtual Machines.
Kazuyuki Shudo; Yoichi Muraoka
Future Generation Computer Systems, 2001

A Model for Stream Calculation.
Hirobumi Sugino; Kazuyuki Shudo; Masayoshi Sekiguchi; Yoichi Muraoka
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications(PDPTA), 2000

MetaVM: A Transparent Distributed Object System Supported by Runtime Compiler.
Kazuyuki Shudo; Yoichi Muraoka
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications(PDPTA), 2000

Grid-Based Asynchronous Migration of Execution Context in Java Virtual Machines.
Gregor von Laszewski; Kazuyuki Shudo; Yoichi Muraoka
Euro-Par 2000(Euro-Par), 2000

Misc.

Simulation of the Bitcoin Network Considering Compact Block Relay and Internet Improvements
Ryunosuke Nagayama; Kazuyuki Shudo; Ryohei Banno
arXiv:1912.05208, Dec. 2019

東京工業大学における実践的IT人材育成の試み―ITシステムの価値探索とチームビルディング
小林隆志; 権藤克彦; 佐伯元司; 首藤一幸; 西崎真也; 森本千佳子; 脇田建; 渡部卓雄
日本ソフトウェア科学会研究会資料シリーズ(Web), 2018

東京工業大学におけるITシステムの価値探索を狙いとした実践的IT人材育成の試み―Problem Based LearningとProject Based Learning
小林隆志; 権藤克彦; 佐伯元司; 首藤一幸; 西崎真也; 森本千佳子; 脇田建; 渡部卓雄
日本ソフトウェア科学会大会講演論文集(CD-ROM), 2017

Overlay Weaver: An Overlay Construction Toolkit
SHUDO KAZUYUKI; TANAKA YOSHIO; SEKIGUCHI SATOSHI
情報処理学会論文誌コンピューティングシステム（ACS）, 15 Sep. 2006

オーバレイ構築ツールキットOverlay Weaver
首藤一幸; 田中良夫; 関口智嗣
情報処理学会シンポジウム論文集, 22 May 2006

アプリケーション層マルチキャスト : 基本と応用
首藤一幸
UNIX magazine, 2006

P2P - based Middleware Enabling Transfer and Aggregation of Computational Resources
SHUDO KAZUYUKI; ONISHI JOJI; TANAKA YOSHIO; SEKIGUCHI SATOSHI
情報処理学会論文誌コンピューティングシステム（ACS）, 15 May 2004

Exploitation of Computational Applications : Stream from World Wide Web to Grid of Computer, Devices and Software
SHUDO Kazuyuki; TANAKA Yoshio; SEKIGUCHI Satoshi
The Journal of The Institute of Image Information and Television Engineers, 01 Dec. 2003

Efficient Implementation of Strict Floating-point Semantics
SHUDO Kazuyuki; SEKIGUCHI Satoshi; MURAOKA Yoichi
Transactions of Information Processing Society of Japan, 15 Jun. 2003

A Case Study of Access Grid Node Construction and a Global Technical Conference
SHUDO Kazuyuki; TANAKA Yoshio; KOMATSU Hiroyuki; MATSUOKA Satoshi; NANRI Takeshi; OKAMURA Koji; SEKIGUCHI Satoshi
IPSJ SIG Notes, 07 Mar. 2002

Efficient Implementation of Strict Floating - Point Semantics
SHUDO Kazuyuki; MURAOKA Yoichi
IPSJ SIG Notes, 25 Jul. 2001

Awards

05 Nov. 2025
第21回 Webインテリジェンスとインタラクション (WI2) 研究会, 学生奨励賞
高柳慶太郎, 廣中詩織, 首藤一幸

25 Oct. 2024
CSS2024プログラム委員会, CSS 2024 最優秀論文賞
中井大志, 首藤一幸

17 Jun. 2024
電子情報通信学会インターネットアーキテクチャ研究専門委員会, 2023年度インターネットアーキテクチャ優秀研究賞
中井大志, 櫻井晶, 廣中詩織, 首藤一幸

08 Jan. 2023
IEEE ICCE 2023 Technical Program Committee, 2023 ICCE 1st Place Best Student Paper Award
Akira Sakurai, Kazuyuki Shudo

21 Jun. 2021
電子情報通信学会インターネットアーキテクチャ研究専門委員会, 2020年度インターネットアーキテクチャ最優秀研究賞

02 Mar. 2021
東京工業大学, 令和元年度東工大教育賞優秀賞

02 Sep. 2020
FIT2019学術賞選定委員会, FIT船井ベストペーパー賞

06 Jun. 2019
電子情報通信学会インターネットアーキテクチャ研究専門委員会, 2018年度インターネットアーキテクチャ優秀研究賞

06 Mar. 2018
東京工業大学, 平成28年度東工大教育賞優秀賞

16 Mar. 2016
東京工業大学理学部, 平成27年度理学部若手教員教育賞

05 Jun. 2012
情報処理学会, 2012年度長尾真記念特別賞

17 Apr. 2012
文部科学省, 平成24年度科学技術分野の文部科学大臣表彰若手科学者賞

30 Nov. 2010
情報処理学会, 第22回コンピュータシステム・シンポジウム最優秀ポスター賞

26 Aug. 2010
DICOMO2010実行委員会, DICOMO2010 優秀論文賞

29 Jul. 2010
東京工業大学, 東工大挑戦的研究賞

09 Jul. 2010
DICOMO2010実行委員会, DICOMO2010 優秀プレゼンテーション賞

17 Apr. 2010
船井情報科学振興財団, 船井学術賞

14 Mar. 2008
情報処理学会, 山下記念研究賞

28 Jun. 2007
情報処理推進機構, 平成18年度未踏ソフトウェア創造事業天才プログラマー/スーパークリエータ認定

30 May 2007
情報処理学会, 平成18年度論文賞

22 May 2006
SACSIS 2006組織委員・プログラム委員, SACSIS 2006 最優秀論文賞

External funds: Kakenhi

トリレンマの数理的解明とそれに基づく持続可能ブロックチェーンの研究
Grant-in-Aid for Scientific Research (A)
Medium-sized Section 60:Information science, computer engineering, and related fields
Kyoto University
首藤一幸
From 01 Apr. 2024, To 31 Mar. 2029, Granted
ブロックチェーン;トリレンマ;安全性;分権性;インセンティブ整合性
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24H00691/

Mathematical and experimental studies to make blockchain sustainable
Grant-in-Aid for Scientific Research (A)
Medium-sized Section 60:Information science, computer engineering, and related fields
Kyoto University
Kazuyuki Shudo
From 05 Apr. 2021, To 31 Mar. 2025, Project Closed
ブロックチェーン;安全性;分権性;ブロックチェーントリレンマ;トリレンマ;インセンティブ整合性
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H04872/

Anatomy of benchmarks
Grant-in-Aid for Challenging Exploratory Research
Tokyo Institute of Technology
Kazuyuki Shudo
From 01 Apr. 2016, To 31 Mar. 2019, Project Closed
ベンチマーク;回帰分析;性能モデリング;確証的因子分析;性能評価
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K12406/

Graph sampling techniques for precise estimation of large-scale graph measures
Grant-in-Aid for Challenging Exploratory Research
Tokyo Institute of Technology
Kazuyuki Shudo
From 01 Apr. 2014, To 31 Mar. 2016, Project Closed
グラフサンプリング;大規模グラフ
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26540161/

Techniques for simulating an autonomous system with over 10 billion nodes
Grant-in-Aid for Young Scientists (A)
Tokyo Institute of Technology
KAZUYUKI SHUDO
From 01 Apr. 2013, To 31 Mar. 2018, Project Closed
シミュレーション;大規模分散システム;インターネット高度化;ネットワーク
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25700008/

Fundamentally scalable routing algorithms for Internet
Grant-in-Aid for Challenging Exploratory Research
Tokyo Institute of Technology
Kazuyuki SHUDO
From 01 Apr. 2012, To 31 Mar. 2014, Project Closed
ネットワークアーキテクチャ;オーバレイネットワーク;インターネット;ルーティング;インターネットルーティング
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24650025/

Simulating distributed systems composed of millions nodes
Grant-in-Aid for Young Scientists (A)
Tokyo Institute of Technology
Kazuyuki SHUDO
From 01 Apr. 2010, To 31 Mar. 2012, Project Closed
大規模ネットワークシミュレーション;大規模分散システム;インターネット高度化;ネットワーク;ディペンダブル・コンピューティング;データストレージ
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22680005/

100万を超えるノードからなる自律分散システムの実験環境構成法
Grant-in-Aid for Research Activity Start-up
Tokyo Institute of Technology
首藤一幸
From 01 Apr. 2009, To 31 Mar. 2011, Project Closed
大規模分散システム;インターネット高度化;ネットワーク;ディペンダブル・コンピューティング;データストレージ
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21800019/

ストリーミング計算モデルに基づく広域高性能計算に関する研究
Grant-in-Aid for Encouragement of Young Scientists (A)
Waseda University
首藤一幸
From 01 Apr. 2000, To 31 Mar. 2002, Project Closed
広域分散処理;高性能計算;通信遅延;パイプライニング
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-12780245/

External funds: others

クラウドモーフィング研究の推進および論文発表
受託研究
株式会社インターネットイニシアティブ
From 01 Dec. 2024, To 30 Jun. 2025

サイバーインフラのためのブロックチェーンの数理的解明
受託研究
科学技術振興機構（JST）
From 01 Oct. 2024, To 31 Mar. 2027

Last Updated :2026/07/28

Education

Teaching subject(s)

From 01 Apr. 2026, To 31 Mar. 2027
Operating Systems
9103, Spring, Faculty of Engineering, 2

From 01 Apr. 2026, To 31 Mar. 2027
Distributed System
3226, Fall, Graduate School of Informatics, 2

From 01 Apr. 2026, To 31 Mar. 2027
Introductory Statistics
N801, Fall, Institute for Liberal Arts and Sciences, 2

From 01 Apr. 2025, To 31 Mar. 2026
Operating Systems
9103, Spring, Faculty of Engineering, 2

From 01 Apr. 2025, To 31 Mar. 2026
Distributed System
3226, Fall, Graduate School of Informatics, 2

From 01 Apr. 2025, To 31 Mar. 2026
Introductory Statistics
N801, Fall, Institute for Liberal Arts and Sciences, 2

From 01 Apr. 2024, To 31 Mar. 2025
Operating Systems
9103, Spring, Faculty of Engineering, 2

From 01 Apr. 2024, To 31 Mar. 2025
Distributed System
3226, Fall, Graduate School of Informatics, 2

From 01 Apr. 2024, To 31 Mar. 2025
Introductory Statistics
N801, Fall, Institute for Liberal Arts and Sciences, 2

From 01 Apr. 2023, To 31 Mar. 2024
Operating Systems
9103, Spring, Faculty of Engineering, 2

From 01 Apr. 2023, To 31 Mar. 2024
Distributed System
3226, Fall, Graduate School of Informatics, 2

From 01 Apr. 2023, To 31 Mar. 2024
Introductory Statistics
N801, Fall, Institute for Liberal Arts and Sciences, 2

From 01 Apr. 2022, To 31 Mar. 2023
Operating Systems
9103, Spring, Faculty of Engineering, 2

From 01 Apr. 2022, To 31 Mar. 2023
Distributed System
3226, Fall, Graduate School of Informatics, 2

From 01 Apr. 2022, To 31 Mar. 2023
Introductory Statistics
N801, Fall, Institute for Liberal Arts and Sciences, 2

Participation in PhD Defense

Studies on Secure and Efficient Systems for Cloud-Independent Edge Computing
MATSUMOTO NAOKI, Graduate School of Informatics, Sub-chief Examiner
23 Mar. 2026

Communication-Efficient Decentralized Learning: Topology Design and Optimization Methods
TAKEZAWA YUKI, Graduate School of Informatics, Sub-chief Examiner
23 Mar. 2026

Scaling Telemetry Workloads in Cloud Applications: Techniques for Instrumentation, Storage, and Mining
TSUBOUCHI YUUKI, Graduate School of Informatics, Sub-chief Examiner
24 Mar. 2025

Last Updated :2026/07/28

Administration

School management (title, position)

From 01 Apr. 2026, To 31 Mar. 2028
広報委員会委員

From 01 Apr. 2026, To 31 Mar. 2028
広報委員会ホームページ企画専門部会

From 01 Apr. 2024, To 31 Mar. 2026
広報委員会委員

From 01 Apr. 2024, To 31 Mar. 2026
広報委員会ホームページ企画専門部会

From 01 Apr. 2022, To 31 Mar. 2024
広報委員会委員

Faculty management (title, position)

From 01 Apr. 2025, To 31 Mar. 2027
情報環境機構スーパーコンピュータシステム運用委員会委員

From 01 Apr. 2026, To 31 Mar. 2028
学術情報メディアセンタースーパーコンピュータシステム共同研究企画委員会委員

From 01 Apr. 2026, To 31 Mar. 2028
学術情報メディアセンター全国共同利用運営委員会委員

From 01 Apr. 2025, To 31 Mar. 2027
学術情報メディアセンター情報セキュリティ委員会委員

From 01 Apr. 2025
メディアセンタ―及び情報環境機構　安全衛生委員会　委員

From 01 Apr. 2023, To 31 Mar. 2027
情報環境機構　スーパーコンピュータシステム運用委員会　委員

From 01 Apr. 2022, To 31 Mar. 2023
学術情報メディアセンター　教員会議　委員

From 01 Apr. 2022, To 31 Mar. 2023
学術情報メディアセンター　ハラスメント窓口相談員

From 01 Apr. 2022, To 31 Mar. 2028
学術情報メディアセンター協議員会協議員

From 01 Apr. 2022, To 31 Mar. 2024
学術情報メディアセンター　スーパーコンピュータシステム共同研究企画委員会　委員

From 01 Apr. 2022, To 31 Mar. 2024
学術情報メディアセンター　全国共同利用運営委員会　委員

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