Researchers Information System

日本語に切り替えるswitch to english

Hadfi, Rafik

Graduate School of Informatics, Department of Intelligence Science and Technology Program-Specific Associate Professor

Hadfi, Rafik
list
    Last Updated :2023/07/24

    Basic Information

    Faculty

    • Institute for Liberal Arts and Sciences (ILAS)

    Academic Degree

    • 修士(工学)(名古屋工業大学)
    • 博士(工学)(名古屋工業大学)

    Research History

    • From Feb. 2023, To Present
      Kyoto University, Graduate School of Informatics, Associate Professor
    • From Dec. 2020, To Jan. 2023
      Kyoto University, Graduate School of Informatics, Assistant Professor
    • From Sep. 2019, To Dec. 2020
      Nagoya Institute of Technology, Graduate School of Engineering Computer Science and Engineering, Adjunct Assistant Professor
    • From Apr. 2017, To Feb. 2019
      Monash University, Psychology / Philosophy, Research Fellow
    • From Apr. 2015, To Mar. 2017
      Nagoya Institute of Technology, Graduate School of Engineering Computer Science and Engineering
    • From Oct. 2014, To Mar. 2015
      Nagoya Institute of Technology, Faculty of Engineering Dept. of Computer Science, Research Assistant
    • From Sep. 2007, To Feb. 2009
      Sagem Communications, Set-top box (STB) division, Embedded System Engineer

    Language of Instruction

    • English

    ID,URL

    researchmap URL

    list
      Last Updated :2023/07/24

      Research

      Research Topics, Overview of the research

      • Research Topics

        - Conversational multiagent systems and their applications to deliberation and voting.
        - Multiagent simulation of complex systems, road traffic, urbanism, and social networks.
        - Automated decision-making, preference elicitation and automated negotiation.
        - Enactive AI, autonomy, and agency.

      Research Interests

      • Game Theory
      • Machine Learning
      • Multi-Agent System
      • Artificial Intelligence

      Research Areas

      • Informatics, Statistical science, Variational Bayes, Inference, Bayesian statistics
      • Informatics, Computational science, Simulation, Algorithms, Optimization, Distributed systems
      • Informatics, Mathematical informatics, Information Theory, Graph Theory, Game Theory
      • Informatics, Intelligent informatics, Agents, Multiagent systems, Simulation, Natural Language Processing, Conversational AI, Automated decision-making, Enactive AI, 4E Cognition, Embodied Cognition

      Papers

      • Computational Social Choice Competition: Overview
        Rafik Hadfi; Takayuki Ito
        The 37th Annual Conference of the Japanese Society for Artificial Intelligence, Jun. 2023, Lead author, Corresponding author
      • Concession Strategy Adjustment in Automated Negotiation Problems
        Yuchen Liu; Rafik Hadfi; Takayuki Ito
        2023
      • Agenda-Based Automated Negotiation Through Utility Decomposition
        Zongcan Li; Rafik Hadfi; Takayuki Ito
        2023
      • Recent Advances in Agent-Based Negotiation: Applications and Competition Challenges
        Rafik Hadfi
        2023
      • Optimization of tree positioning to maximize walking in urban outdoor spaces: A modeling and simulation framework
        Rafik Hadfi
        Sustainable Cities and Society, 03 Aug. 2022
      • Augmented Democratic Deliberation: Can Conversational Agents Boost Deliberation in Social Media?
        Rafik Hadfi; Takayuki Ito 0001
        21st International Conference on Autonomous Agents and Multiagent Systems(AAMAS), 2022
      • An Agent that Facilitates Crowd Discussion
        Takayuki Ito; Rafik Hadfi; Shota Suzuki
        Group Decision and Negotiation, 06 Nov. 2021
      • Argumentative Conversational Agents for Online Discussions
        Rafik Hadfi; Jawad Haqbeen; Sofia Sahab; Takayuki Ito
        Journal of Systems Science and Systems Engineering, 25 May 2021
      • Shame in two-stage choice problems with interdependent alternatives.
        Shun Okuhara; Rafik Hadfi; Takayuki Ito 0001
        IEEE International Conference on Agents(ICA), 2021
      • Meeting the SDGs : Enabling the Goals by Cooperation with Crowd using a Conversational AI Platform.
        Jawad Ahmad Haqbeen; Takayuki Ito 0001; Sofia Sahab; Rafik Hadfi; Takumi Sato; Shun Okuhara
        CoRR, 2021
      • A Contribution to COVID-19 Prevention through Crowd Collaboration using Conversational AI & Social Platforms.
        Jawad Ahmad Haqbeen; Takayuki Ito; Sofia Sahab; Rafik Hadfi; Shun Okuhara; Nasim Saba; Murataza Hofaini; Umar Baregzai
        CoRR, 2021
      • A Node Classification Approach for Dynamically Extracting the Structures of Online Discussions.
        Shota Suzuki; Takayuki Ito 0001; Ahmed Moustafa; Rafik Hadfi
        Advances in Artificial Intelligence - Selected Papers from the Annual Conference of Japanese Society of Artificial Intelligence(JSAI), 2020
      • Usage & Application of AI-based Discussion Facilitation System for Urban Renewal in selected districts of Kabul city: Afghanistan Experimental View
        HAQBEEN Jawad; ITO Takayuki; HADFI Rafik; SAHAB Sofia; NISHIDA Tomohiro; AMIRYAR Ramin
        Proceedings of the Annual Conference of JSAI, 2020
      • Agent-Based Crowd Discussion Support System and Its Societal Experiments.
        Takayuki Ito; Rafik Hadfi; Jawad Ahmad Haqbeen; Shota Suzuki; Atsuya Sakai; Naoki Kawamura; Naoko Yamaguchi
        Advances in Practical Applications of Agents, Multi-Agent Systems, and Trustworthiness. The PAAMS Collection - 18th International Conference(PAAMS), 2020
      • Solving Tree Problems with Category Theory
        Rafik Hadfi
        Artificial General Intelligence - 11th International Conference(AGI), 16 Oct. 2018
      • Investigating Enactive Learning for Autonomous Intelligent Agents
        Rafik Hadfi
        CoRR, 09 Oct. 2018
      • Solving Tree Problems with Category Theory.
        Rafik Hadfi
        CoRR, 2018
      • An Implementation of Large-Scale Holonic Multi-agent Society Simulator and Agent Behavior Model.
        Takayuki Ito; Takanobu Otsuka; Teruyoshi Imaeda; Rafik Hadfi
        PRICAI 2018: Trends in Artificial Intelligence - 15th Pacific Rim International Conference on Artificial Intelligence, 2018
      • Modern Approaches to Agent-based Complex Automated Negotiation
        Katsuhide Fujita; Quan Bai; Takayuki Ito; Minjie Zhang; Fenghui Ren; Reyhan Aydoğan; Rafik Hadfi
        2017, Peer-reviewed
      • Traffic Simulation in Urban Networks Using Stochastic Cell Transmission Model.
        Rafik Hadfi; Sho Tokuda; Takayuki Ito
        Comput. Intell., 2017, Peer-reviewed
      • Preface
        Katsuhide Fujita; Quan Bai; Takayuki Ito; Minjie Zhang; Fenghui Ren; Reyhan Aydoğan; Rafik Hadfi
        Modern Approaches to Agent-based Complex Automated Negotiation, 01 Jan. 2017, Peer-reviewed
      • Ontology-Based Architecture for Intelligent Transportation Systems Using a Traffic Sensor Network.
        Susel Fernandez; Rafik Hadfi; Takayuki Ito; Ivan Marsa-Maestre; Juan R Velasco
        Sensors (Basel, Switzerland), 15 Aug. 2016, Peer-reviewed
      • Social Affinity and Facial Emotion Based Social Correlation.
        Pankaj Mishra; Rafik Hadfi; Takayuki Ito 0001
        IEEE International Conference on Agents(ICA), 2016
      • Social Influence Analysis based on Facial Emotions.
        Pankaj Mishra; Rafik Hadfi; Takayuki Ito
        Proceedings of the 2nd International Workshop on Social Influence Analysis co-located with 25th International Joint Conference on Artificial Intelligence (IJCAI 2016)(SocInf@IJCAI), 2016
      • Multilayered Multiagent System for Traffic Simulation: (Demonstration).
        Rafik Hadfi; Takayuki Ito
        Proceedings of the 2016 International Conference on Autonomous Agents & Multiagent Systems(AAMAS), 2016
      • Role of human emotions in social influence
        Pankaj Mishra; Rafik Hadfi; Takayuki Ito
        International Journal of Information Technology, 2016, Peer-reviewed
      • Adaptive Model for Traffic Congestion Prediction.
        Pankaj Mishra; Rafik Hadfi; Takayuki Ito
        Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2016, Peer-reviewed
      • Architecture for intelligent transportation system based in a general traffic ontology
        Fernandez, S.; Ito, T.; Hadfi, R.
        Studies in Computational Intelligence, 2016, Peer-reviewed
      • Holonic Multiagent Simulation of Complex Adaptive Systems.
        Rafik Hadfi; Takayuki Ito
        Communications in Computer and Information Science, 2016, Peer-reviewed
      • Multiagent Social Influence Detection Based on Facial Emotion Recognition.
        Pankaj Mishra; Rafik Hadfi; Takayuki Ito
        Communications in Computer and Information Science, 2016, Peer-reviewed
      • Low-Complexity Exploration in Utility Hypergraphs.
        Rafik Hadfi; Takayuki Ito
        J. Inf. Process., 2015, Peer-reviewed
      • Complex Multi-Issue Negotiation Using Utility Hyper-Graphs.
        Rafik Hadfi; Takayuki Ito
        J. Adv. Comput. Intell. Intell. Informatics, 2015, Peer-reviewed
      • Constraint-Based Preferences via Utility Hyper-Graphs.
        Rafik Hadfi; Takayuki Ito
        Multidisciplinary Workshop on Advances in Preference Handling(MPREF@AAAI), 2014
      • Addressing Complexity in Multi-Issue Negotiation via Utility Hypergraphs.
        Rafik Hadfi; Takayuki Ito
        Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence(AAAI), 2014
      • Modeling Complex Nonlinear Utility Spaces Using Utility Hyper-Graphs.
        Rafik Hadfi; Takayuki Ito
        Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2014, Peer-reviewed
      • Approximating Constraint-Based Utility Spaces Using Generalized Gaussian Mixture Models.
        Rafik Hadfi; Takayuki Ito
        Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2014, Peer-reviewed
      • Optimal Non-adaptive Concession Strategies with Incomplete Information.
        Tim Baarslag; Rafik Hadfi; Koen V. Hindriks; Takayuki Ito; Catholijn M. Jonker
        Recent Advances in Agent-based Complex Automated Negotiation, 2014, Peer-reviewed
      • On the Complexity of Utility Hypergraphs.
        Rafik Hadfi; Takayuki Ito
        Recent Advances in Agent-based Complex Automated Negotiation, 2014, Peer-reviewed
      • Uncertainty of cognitive processes with high-information load
        Rafik Hadfi; Takayuki Ito
        9TH INTERNATIONAL CONFERENCE ON COGNITIVE SCIENCE, 2013, Peer-reviewed
      • Agreement among agents based on decisional structures and its application to group formation
        Rafik Hadfi; Takayuki Ito
        Studies in Computational Intelligence, 2013, Peer-reviewed
      • Asymptotic Maximum Entropy Principle for Utility Elicitation under High Uncertainty and Partial Information.
        Rafik Hadfi; Takayuki Ito 0001
        Proceedings of the Twenty-Fifth International Florida Artificial Intelligence Research Society Conference, 2012
      • Towards collective collaborative design : An implementation of agent-mediated collaborative 3D products design system.
        Rafik Hadfi; Takayuki Ito 0001; Katsuhide Fujita
        2010 International Symposium on Collaborative Technologies and Systems(CTS), 2010

      Misc.

      • Usage & Application of AI-based Discussion Facilitation System for Urban Renewal in selected districts of Kabul city: Afghanistan Experimental View
        HAQBEEN Jawad; ITO Takayuki; HADFI Rafik; SAHAB Zoia; SAHAB Sofia; AMIRYAR Ramin; NISHIDA Tomohiro
        人工知能学会全国大会(Web), 2020
      • 渋滞緩和のためのクラウドベースのアーキテクチャ
        ラフィック ヘドゥフィ; 鳥居 義高; 伊藤 孝行; 徳田 渉; 金森 亮; 田中 雅章
        第77回全国大会講演論文集, 17 Mar. 2015
      • Low-Complexity Exploration in Utility Hypergraphs
        Rafik Hadfi; Takayuki Ito
        IPSJ Journal, 15 Mar. 2015
      • 自動車間の動的経路割当メカニズムに基づく渋滞緩和システムの設計とシミュレーション
        伊藤 孝行; 田中 雅章; ラフィック ヘドゥフィ; 鳥居 義高; 徳田 渉; 金森 亮
        研究報告知能システム(ICS), 08 Dec. 2014

      Presentations

      • Society 5.0: Challenges, Implementations, and Implications
        Rafik Hadfi
        3rd & 4th Datascience Open Seminar, Mie University, Japan, 08 Dec. 2022, Invited
      • Governance by Simulation
        Rafik Hadfi
        The 1st International Workshop on Democracy and AI (DemocrAI 2022), 10 Nov. 2022
      • Theories and Practices of Multiagent Social Simulations
        Rafik Hadfi
        The International Institute of Applied Informatics (IIAI), Apr. 2022
      • New Trends of Polarization Detection Techniques in Online Discussions
        Rafik Hadfi
        International Conference on Knowledge, Information and Creativity Support Systems (KICSS), Invited
      • Active Inference: From Biological Organisms to Artificial Intelligence
        Rafik Hadfi
        Frontier Research Institute for Information Science, NITech, Japan, 16 Sep. 2020
      • Conversational Agents in Polarized Online Discussions
        Rafik Hadfi
        SMASH20 Summer Symposium, 16 Sep. 2020
      • Boundary Exploration in Enactive Artificial Agents
        Rafik Hadfi
        Consciousness Club, Tokyo University, 11 Jan. 2018, Invited
      • Boundary Exploration in Enactivist Artificial Agents
        Rafik Hadfi
        Science of the Self: The Agency and Body Representation Research Forum
      • New Paradigms in Complex Systems Simulation
        Rafik Hadfi
        NIT International Symposium on Future Informatics. Nagoya Institute of Technology, Japan, 27 Mar. 2017
      • From a constructivist epistemology to a physical theory of consciousness
        Rafik Hadfi
        Consciousness Club, RCAST, University of Tokyo, 17 Nov. 2016
      • Recent Advances in Agent-Based Negotiation: Applications and Competition Challenges
        Rafik Hadfi; Reyhan Aydoğan; Takayuki Ito; Ryuta Arisaka, Editor
        Springer, 2023
      • Modern approaches to agent-based complex automated negotiation
        Fujita, Katsuhide; Bai, Quan; Ito, Takayuki; Zhang, Minjie; Ren, Fenghui; Aydoğan, Reyhan; Hadfi, Rafik, Joint work
        Springer, 2017
      • A Baseline for Nonlinear Bilateral Negotiations: The full results of the agents competing in ANAC 2014
        Aydogan R, Baarslag T, Jonker CM, Fujita K, Ito T, Hadfi R, Hayakawa K., Joint work
        Jul. 2016

      Awards

      • 14 Jun. 2023
        The Group Decision and Negotiation (GDN), Gregory Kersten GDN Journal Best Paper Award
        Gregory Kersten GDN Journal Best Paper Award on “An Agent that Facilitates Crowd Discussion”, Japan, International society
        Takayuki Ito, Rafik Hadfi, and Shota Suzuki
        Gregory Kersten GDN Journal Best Paper Award on “An Agent that Facilitates Crowd Discussion”, by Ito, Hadfi, and Suzuki, Group Decision and Negotiation, Vol. 31, No. 3, pp. 621-647, 2022. https://connect.informs.org/group-decision-and-negotiation/awards/gdn-award-recipients
      list
        Last Updated :2023/07/24

        Education

        Teaching subject(s)

        • From 01 Apr. 2023, To 31 Mar. 2024
          Perspective in Informatics 5
          8045, Fall, Graduate School of Informatics, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Practice of Information Systems
          3221, Spring, Graduate School of Informatics, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Basic Informatics-E2
          T051, Spring, Institute for Liberal Arts and Sciences, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Information and Society-E2
          T018, Spring, Institute for Liberal Arts and Sciences, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Information and Society-E2
          T018, Fall, Institute for Liberal Arts and Sciences, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Practice of Basic Informatics-E2
          T056, Fall, Institute for Liberal Arts and Sciences, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Practice of Information Systems
          3221, Spring, Graduate School of Informatics, 2
        • From Apr. 2021, To Mar. 2022
          Practice of Information Systems (Jp)
          Spring, 情報学研究科
        • From Apr. 2021, To Mar. 2022
          Practice of Information Systems (En)
          Spring, 情報学研究科
        list
          Last Updated :2023/07/24

          Administration

          Faculty management (title, position)

          • From 01 Apr. 2023, To 31 Mar. 2023
            システム運用WG委員
          • From 01 Apr. 2023, To 31 Mar. 2024
            情報セキュリティWG委員
          list
            Last Updated :2023/07/24

            Academic, Social Contribution

            Committee Memberships

            • From Jan. 2023, To Dec. 2023
              Program Chair, The 7th IEEE International Conference on Agents (IEEE ICA 2023)
            • From Jan. 2023, To Aug. 2023
              Organization Chair, The 2nd International Workshop on Democracy and AI (DemocrAI 2023) -- IJCAI 2023.
            • From 2022, To 2023
              Program Committee - The 37th AAAI Conference on Artificial Intelligence (AAAI 2023)
            • From Jan. 2022, To Nov. 2022
              Program Chair - The 6th IEEE International Conference on Agents (IEEE ICA 2022)
            • From Jan. 2022, To Nov. 2022
              Tutorials Chair - The 19th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2022)
            • From Jan. 2022, To Aug. 2022
              Organizing Chair - The 13th International Workshop on Agent-based Complex Automated Negotiations (ACAN 2022)
            • From Jan. 2022, To Jun. 2022
              Local Organization Committee - The 36th Japanese Society for Artificial Intelligence National Convention (JSAI 2022)
            • From 2022, To 2022
              Program Committee - The 24th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2022)
            • From 2021, To 2021
              Program Committee - The 30th International Joint Conference on Artificial Intelligence (IJCAI2021)
            • From 2021, To 2021
              Publication Chair - The 5th IEEE International Conference on Agents (IEEE ICA 2021
            • From 2020, To 2020
              Workshop and Tutorial Chair - The 23rd International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2020)
            • From 2020, To 2020
              Volunteer Chair and Web Chair - The 29th International Joint Conference on Artificial Intelligence and the 17th Pacific Rim International Conference on Artificial Intelligence (IJCAI-PRICAI 2020)
            • From 2019, To 2019
              Program Committee - The International Conference on Agents (ICA2019)
            • From 2019, To 2019
              Program Committee - The International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2019)
            • From 2019, To 2019
              Program Committee - The International Joint Conference on Artificial Intelligence (IJCAI 2019)
            • From 2018, To 2018
              Program Committee - The International Conference on Agents (ICA2018)
            • From 2018, To 2018
              Program Committee - The International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2018)
            • From 2017, To 2017
              Program Committee - The International Conference on Agents (ICA2017)
            • From 2016, To 2016
              Program Committee - The International Conference on Agents (ICA2016)
            • Information Processing Society of Japan (IPSJ)
            • The Japanese Society for Artificial Intelligence (JSAI)
            • The Institute of Electrical and Electronics Engineers (IEEE)
            • Association for the Advancement of Artificial Intelligence (AAAI)
            • Association for Computing Machinery (ACM)

            Social Contribution

            • Science For Society: AI for Social Good
              Guest, Panelist
              JST, SciFoS (Science For Society) JST Program, From Aug. 2021, To Mar. 2022
            • Exploring new research agendas connecting Artificial Intelligence, Robotics, Humanities and Social science
              Panelist
              Japan Science and Technology Agency (JST) and National Science Foundation (NSF), Japan-US Workshop on Exploring new research agendas connecting Artificial Intelligence, Robotics, Humanities and Social science, From 02 Feb. 2022, To 08 Feb. 2022
            • Research at the Intersection of Human Science and Information Technologies: Cultivating Relationships between Humans & Machines
              Panelist
              Stanford University, MediaX at Stanford University, From 20 Jan. 2022, To 20 Jan. 2022
            • Research at the Intersection of Human Science and Information Technologies: Trust and Artificial Intelligence
              Panelist
              Stanford University, MediaX at Stanford University, From 19 Jan. 2022, To 19 Jan. 2022
            • Informatics and Multiagent Systems under COVID-19: Theory and applications
              Guest, Panelist, Lecturer
              JST, Science Agora 2020 Japan, From 15 Nov. 2020, To 22 Nov. 2020

            ページ上部へ戻る