Updated on 2025/03/08

写真a

 
SAKAI, Masahiko
 
Organization
Graduate School of Informatics Department of Computing and Software Systems 1 Professor
Graduate School
Graduate School of Informatics
Undergraduate School
School of Engineering
School of Informatics Department of Computer Science
Title
Professor

Degree 1

  1. 博士(工学) ( 1992.1   名古屋大学 ) 

Research Interests 4

  1. Combinatorial optimization

  2. Term rewriting system

  3. 音楽情報処理

  4. Semantics of programs

Research Areas 3

  1. Informatics / Theory of informatics  / Term rewriting systems

  2. Informatics / Software  / Combinatorial optimization

  3. Informatics / Intelligent informatics  / 音楽情報処理

Current Research Project and SDGs 4

  1. Mechanical proof of security

  2. Midiからの自動採譜

  3. 項書換え系の基礎研究

  4. Psudo-Boolean constraint solver

Research History 1

  1. Nagoya University   Professor

    2017.4

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    Country:Japan

Education 3

  1. Nagoya University   Graduate School, Division of Engineering

    1986.4 - 1989.3

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    Country: Japan

  2. Nagoya University   Graduate School, Division of Engineering

    1984.4 - 1986.3

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    Country: Japan

  3. Nagoya University   Faculty of Engineering

    1980.4 - 1984.3

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    Country: Japan

Professional Memberships 3

  1. 電子情報通信学会

  2. 日本ソフトウェア科学会

  3. 情報処理学会

Committee Memberships 26

  1. 9th International workshop on rewriting techniques for program transformations and evaluation (WPTE 2022)   Program committee member  

    2022.1 - 2022.7   

  2. 7th International Conference on Formal Structures for Computation and Deduction (FSCD 2022)   Program Committee Member  

    2021.3 - 2022.11   

  3. 7th International Conference on Formal Structures for Computation and Deduction (FSCD 2022)   Program Committee Member  

    2021.3 - 2022.11   

  4. 30th International Symposium on Logic-Based Program Synthesis and Transformation (LOPSTR 2020)   Program Committee Member  

    2020.1 - 2020.11   

  5. 4th International workshop on rewriting techniques for program transformations and evaluation (WPTE 2017)   Program committee member  

    2017.1 - 2017.7   

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Awards 3

  1. Best Paper Award of IEICE

    2011.5   IEICE  

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    Country:Japan

  2. Best Paper Award of IEICE

    1992.5  

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    Country:Japan

  3. Winner in the Inspiring Idea Track on International Competition on Graph Counting Algorithms

    2023.9  

    Kosuke Oguri, Kenji Hashimoto, and Masahiko Sakai

 

Papers 218

  1. 拍対応情報の利用による楽譜と実演奏の音符対応情報の自動生成法

    佐藤 宏志, 酒井 正彦

    情報処理学会技術報告 SIGMUS   Vol. 142   2025.3

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    Authorship:Last author, Corresponding author   Language:Japanese   Publishing type:Research paper (conference, symposium, etc.)  

  2. Solving Rep-Tile by Computers: Performance of Solvers and Analyses of Solutions Invited

    Mutsunori Banbara, Kenji Hashimoto, Takashi Horiyama, Kosuke Oguri, Shin-ichi Minato, Masaaki Nishino, Masahiko Sakai, Ryuhei Uehara, Yushi Uno, and Norihito Yasuda

    Algorithmic Foundations for Social Advancement     page: 187 - 208   2025.3

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    Language:English   Publishing type:Part of collection (book)  

    DOI: 10.1007/978-981-96-0668-9_13

  3. Tokenization of MIDI Sequences for Transcription Reviewed International coauthorship

    Florent Jacquemard, Masahiko Sakai, Yosuke Amagasu

    Proceedings of the International Conference on Technologies for Music Notation and Representation (TENOR 2024)     page: 98 - 108   2024.4

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    Authorship:Corresponding author   Language:English  

    DOI: 10.5281/zenodo.13144433

  4. 演奏MIDIのリズム量子化のためのトークン化の提案

    天春 陽介, 酒井 正彦

    情報処理学会技術報告 SIGMUS     2024.3

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    Authorship:Last author, Corresponding author   Language:Japanese   Publishing type:Research paper (conference, symposium, etc.)  

  5. 8+8=4: Formalizing Time Units to Handle Symbolic Music Durations Reviewed International coauthorship

    Emmanouil Karystinaios, Francesco Foscarin, Florent Jacquemard, Masahiko Sakai, Satoshi Tojo and Gerhard Widmer

    The 16th International Symposium on Computer Music Multidisciplinary Research     page: 536 - 546   2023.9

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.5281/zenodo.10112505

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Books 1

  1. プログラムの設計

    坂部俊樹編、分担執筆酒井正彦( Role: Joint author)

    オーム社  2000 

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    Language:Japanese

MISC 3

  1. Solving Rep-tile by Computers: Performance of Solvers and Analyses of Solutions

    Mutsunori Banbara, Kenji Hashimoto, Takashi Horiyama, Shin-ichi Minato, Kakeru Nakamura, Masaaki Nishino, Masahiko Sakai, Ryuhei Uehara, Yushi Uno, Norihito Yasuda

    arXiv 2110.05184     2021.6

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    Authorship:Last author   Language:English  

  2. Reduced dependency spaces for existential parameterised Boolean equation system Reviewed

    Yutaro Nagae, Masahiko Sakai

    Informal Proceedings of the 4th International Workshop on Rewriting Techniques for Program Transformations and Evaluation (WPTE 2017)     page: 10   2017.9

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    Language:English  

  3. Transforming Dependency Chains of Constrained TRSs into Bounded Monotone Sequences of Integers Reviewed

    Tomohiro Sasano, Naoki Nishida, Masahiko Sakai, and Tomoya Ueyama

    Informal Proceedings of the 4th International Workshop on Rewriting Techniques for Program Transformations and Evaluation (WPTE 2017)     page: 10   2017.9

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    Language:English  

Presentations 53

  1. ペントミノパズルの解の計数のための問題分割手法

    小栗 滉介, 酒井正彦, 橋本健二

    組合せゲーム・パズル(CGP) プロジェクト, 第18回 研究集会  2024.3 

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    Event date: 2024.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:調布市  

  2. Ground Canonical Rewrite Systems Revisited International coauthorship International conference

    Aart Middeldorp, Masahiko Sakai, and Sarah Winkler

    12th International Workshop on Confluence (IWC 2023)  2023.8.24 

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    Event date: 2023.8

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Obergurgl   Country:Austria  

  3. A formal description of a functional language with exception handling, and constrained dependency pairs for the termination proofs

    Takeshi Hamaguchi, Masahiko Sakai

    Technical report of IEICE, SS group  2023.1.11 

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    Event date: 2023.1

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Osaka   Country:Japan  

  4. 自動演奏への表情付けのための生成音楽理論に基づくフレーズ情報の生成法

    後藤 円香, 酒井 正彦, 東条 敏

    第135回音楽情報科学研究発表会  2022.9.15  情報処理学会

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    Event date: 2022.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  5. レプ・タイルの定式化を用いた各種ソルバの性能比較

    番原睦則, 橋本健二, 堀山貴史, 湊真一, 中村駆, 西野正彬, 酒井正彦, 上原隆平, 宇野裕之, 安田宜仁

    組合せゲーム・パズル(CGP) プロジェクト, 第16回 研究集会 

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    Event date: 2022.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

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Research Project for Joint Research, Competitive Funding, etc. 5

  1. Constrained Rewriting and SMT: Emerging Trends in Rewriting

    2012.5 - 2014.3

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    Grant type:Competitive

  2. Austria - Japan Summer Workshop on Term Rewriting

    2010.8

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    Grant type:Competitive

  3. 項書換え理論の関数型言語への応用

    2002.4

    日東学術振興財団第19回助成金 

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    Grant type:Competitive

  4. 関数型言語における計算戦略

    2000.4 - 2002.3

    栢森情報科学振興財団研究助成金 

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    Grant type:Competitive

  5. 定理自動証明のためのAC停止性

    1998 - 1999

    財団法人人工知能研究振興財団 

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    Grant type:Competitive

KAKENHI (Grants-in-Aid for Scientific Research) 8

  1. 形式言語理論に基づく自動採譜 International coauthorship

    Grant number:20H04302  2020.4 - 2025.3

    科学研究費補助金  基盤研究(B)

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\15990000 ( Direct Cost: \12300000 、 Indirect Cost:\3690000 )

  2. データベース上の制約プログラミングのためのSQL言語の拡張とその処理系

    Grant number:17H01721  2017.4 - 2020.3

    科学研究費補助金  基盤研究(B)

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    Authorship:Principal investigator 

    Grant amount:\11050000 ( Direct Cost: \8500000 、 Indirect Cost:\2550000 )

  3. 耐改竄性をもつプログラム言語とそのプログラム開発手法の研究

    2014 - 2017.3

    科学研究費補助金  挑戦的萌芽研究

    酒井 正彦

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    Authorship:Principal investigator 

  4. ソフトウェアプロテクションのための超難読言語Malbolgeの研究

    2010 - 2013.3

    科学研究費補助金  挑戦的萌芽研究,課題番号:22650003

    酒井 正彦

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    Authorship:Principal investigator 

  5. 関数型言語の解析・検証・効率的実行のための書換え系理論の研究

    2006.4 - 2010.3

    科学研究費補助金  基盤研究(C),課題番号:18500011

    酒井 正彦

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    Authorship:Principal investigator 

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Teaching Experience (On-campus) 5

  1. プログラム理論特論

    2001

  2. 情報基礎論第1及び演習

    1999

  3. プログラム理論特論

    1999

  4. 情報基礎論第1及び演習

    1998

  5. 情報基礎論第1及び演習

    1997

Teaching Experience (Off-campus) 14

  1. 計算機科学特論I

    2004.4 - 2005.3 Kochi University)

  2. 計算機科学特論I

    2003.4 - 2004.3 Kochi University)

  3. 計算機科学特論I

    2002.4 - 2003.3 Kochi University)

  4. 計算機科学特論I

    2001.4 - 2002.3 Kochi University)

  5. 計算機科学特論I

    2000.4 - 2001.3 Kochi University)

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