研究業績 / Publications

論文誌 / Journal

• Article Junya Nakanishi, Jun Baba, Yuki Okafuji, Yuichiro Yoshikawa, Hiroshi Ishiguro: Exploring the Impact of Frequency of Robot’s Proactive Utterances in Product Introduction Dialogues. Scientific Reports, 2026. [Nature]
• Article 中西惇也, 正井良人, 大平義輝, 馬場惇: 言語的手がかりを用いた実時間のターン終了・割込推定. 日本ロボット学会誌, vol. 44, 2026. [JRSJ]
• Report Koichiro Yoshino, Michimasa Inaba, Reina Akama, Koji Inoue, Shogo Okada, Yuka Kobayashi, Shiki Sato, Seitaro Shinagawa, Hiroaki Sugiyama, Ryoko Tokuhisa, Hiromi Narimatsu, Jun Baba, Ryuichiro Higashinaka, Shinya Fujie, Yoichi Matsuyama, Kenta Yamamoto: Dialogue System Symposium. Journal of Natural Language Processing, vol. 33, no. 1, pp. 407-416, 2026. [JNLP]
• Article Sichao Song, Takuya Iwamoto, Yuki Okafuji, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: From Attraction to Engagement: A Robot-Clerk Collaboration Strategy for Retail Success. IEEE Robotics and Automation Letters, vol. 10, no. 7, pp. 6672-6679, 2025. [IEEE]
• Article Nami Ogawa, Yuki Okafuji, Yuji Hatada, Jun Baba: Understanding Collaboration between Professional Designers and Decision-making AI: A Case Study in the Workplace. Proceedings of the ACM on Human-Computer Interaction, vol. 9, no. 7, 2025. [ACM]
• Article Junya Nakanishi, Jun Baba, Yuichiro Yoshikawa, Hiroko Kamide, Hiroshi Ishiguro: Hypothesis on the Functional Advantages of the Selection-Broadcast Cycle Structure: Global Workspace Theory and Dealing with a Real-Time World. Frontiers in Robotics and AI, 2025. [Frontiers]
• Article Megumi Kawata, Masashi Maeda, Hirokazu Kumazaki, Hiroko Kamide, Jun Baba, Naomi Matsuura, Hiroshi Ishiguro, Yuichiro Yoshikawa: Encouraging Classroom Activities for Children Using Avatar Robots: A Field Trial. Frontiers in Robotics and AI, 2025. [Frontiers]
• Article 中西惇也, 挾間智久, 馬場惇, 宋思超, 吉川雄一郎, 石黒浩: ホテルの客室におけるロボットによる対話サービスの在り方の探索. 日本ロボット学会誌, vol. 43, no. 1, pp. 98-107, 2025. [JRSJ]
• Article Junya Nakanishi, Jun Baba, Wei-Chuan Chang, Aya Nakae, Hidenobu Sumioka, Hiroshi Ishiguro: Robot-Mediated Intergenerational Childcare: Experimental Study Based on Health-Screening Task in Nursery School. International Journal of Social Robotics, vol. 16, no. 7, pp. 1589-1603, 2024. [Springer]
• Article Sichao Song, Jun Baba, Yuki Okafuji, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: New Comer in the Bakery Store: A Long-Term Exploratory Study Toward Design of Useful Service Robot Applications. International Journal of Social Robotics, vol. 16, no. 9, pp. 1901-1918, 2024. [Springer]
• Article Sichao Song, Jun Baba, Yuki Okafuji, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Wingman-Leader Recommendation: An Empirical Study on Product Recommendation Strategy Using Two Robots. IEEE Robotics and Automation Letters, vol. 9, no. 3, pp. 2272-2278, 2024. [IEEE]
• Article Yota Hatano, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Field Experiments on the Effects of Multiple-Robot Expressions for Robot Influence in Recommendation Situations. IEEE Robotics and Automation Letters, vol. 9, no. 4, pp. 3609-3616, 2024. [IEEE]
• Article Yuki Okafuji, Takumi Ishikawa, Kohei Matsumura, Jun Baba, Junya Nakanishi: Pseudo-eating Behavior of Service Robot to Improve the Trustworthiness of Product Recommendations. Advanced Robotics, vol. 38, no. 5, pp. 343-356, 2024. [Taylor&Francis]
• Article Takato Mizuho, Yuki Okafuji, Jun Baba, Takuji Narumi: Multiple-agent Promotion in a Grocery Store: Effects of Modality and Variability of Agents on Customer Memory. Frontiers in Robotics and AI, 2024. [Frontiers]
• Article Rikuto Watanabe, Junya Nakanishi, Jun Baba, Yuichiro Yoshikawa, Hiroshi Ishiguro: A Comparative Study of LLM-used Intention Estimation Methods for YES-NO Question Answers including Unknown Answers. 人工知能学会論文誌, vol. 39, no. 6, 2024. [J-STAGE]
• Article Hiroko Kawahara, Nobukazu Kanchi, Megumi Kawata, Yuichiro Yoshikawa, Jun Baba, Taro Muramatsu, Hiroshi Ishiguro, Hirokazu Kumazaki: Training Potential of a Teleoperated Humanoid Robot for Use by a Young Psychiatrist during Childcare Leave. Psychiatry and Clinical Neurosciences Reports, vol. 3, no. 3, e70008, 2024. [Wiley]
• Article Nobukazu Kanchi, Megumi Kawata, Yuichiro Yoshikawa, Jun Baba, Taro Miyashita, Hiroshi Ishiguro, Hirokazu Kumazaki: The Potentiality of Telepsychiatry Using a Teleoperated Robot for a Patient with Alcohol Abuse on an Isolated Island. Psychiatry and Clinical Neurosciences Reports, vol. 3, no. 3, e230, 2024. [Wiley]
• Article Masahiro Shiomi, Daisuke Sakamoto, Takamasa Iio, Martin Cooney, Jun Baba, Mitsuhiko Kimoto, Leimin Tian: Special Issue on Social Interaction with More Than One Robot. Advanced Robotics, vol. 38, no. 7, 2024. [Taylor&Francis]
• Article Yuki Okafuji, Sichao Song, Jun Baba, Yuichiro Yoshikawa, Hiroshi Ishiguro: Influence of Collaborative Customer Service by Service Robots and Clerks in Bakery Stores. Frontiers in Robotics and AI, vol. 10, 1125308, 2023. [Frontiers]
• Article 挾間智久, 中西惇也, 馬場惇, 吉川雄一郎, 石黒浩: 複数の目標を持つ誘導対話のための話題管理部の階層型制御アーキテクチャ. 日本ロボット学会誌, vol. 41, no. 3, 2023. [JRSJ]
• Article Joichiro Amada, Yuki Okafuji, Kohei Matsumura, Jun Baba, Junya Nakanishi: Investigating the Crowd-drawing Effect, on Passersby, of Pseudo-Crowds Using Multiple Robots. Advanced Robotics, 2022. [Taylor&Francis]
• Article Takuya Iwamoto, Jun Baba, Junya Nakanishi, Katsuya Hyodo, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Playful Recommendation: Sales Promotion that Robots Stimulate Pleasant Feelings instead of Product Explanation. IEEE Robotics and Automation Letters, 2022. [IEEE]
• Article Yuki Okafuji, Yasunori Ozaki, Jun Baba, Junya Nakanishi, Kohei Ogawa, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Behavioral assessment of a humanoid robot when attracting pedestrians in a mall. International Journal of Social Robotics, 2022. [Springer]
• Article Zhaojie Luo, Shoufeng Lin, Rui Liu, Jun Baba, Yuichiro Yoshikawa, Ishiguro Hiroshi: Decoupling Speaker-Independent Emotions for Voice Conversion Via Source-Filter Networks. IEEE/ACM Transactions on Audio, Speech, and Language Processing, 2021. [IEEE]
• Article Jun Baba, Sichao Song, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Local vs. Avatar Robot: Performance and Perceived Workload of Service Encounters in Public Space. Frontiers in Robotics and AI, 2021. [Frontiers]
• Article 植田智之, 中西惇也, 伴碧, 倉本到, 馬場惇, 吉川雄一郎, 石黒浩: いじめ場面を想定したキャッチボール課題における傍観行動の選択肢の導入効果. ヒューマンインタフェース学会論文誌, 2021. [JSTAGE]
• Article Yuki Okafuji, Jun Baba, Junya Nakanishi, Itaru Kuramoto, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro(2020): Can a humanoid robot continue to draw attention in an office environment?, Taylor & Francis, Advanced Robotics, vol. 34, no. 14, pp. 931-946, June, 2020.
• Article Junya Nakanishi, Itaru Kuramoto, Jun Baba, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro(2020): Continuous Hospitality with Social Robots at a Hotel. SN Applied Sciences, Vol. 2, No. 3, pp. 1-13, 2020.

国際会議 / International Conference

• Paper Sichao Song, Yuki Okafuji, Takuya Iwamoto, Jun Baba, Hiroshi Ishiguro: From Metrics to Meaning: Insights from a Mixed-Methods Field Experiment on Retail Robot Deployment. ACM/IEEE International Conference on Human-Robot Interaction (HRI 2026), 2026. [ACM]
• Paper Ao Guo, Shota Mochizuki, Sanae Yamashita, Kenya Hoshimure, Jun Baba, Ryuichiro Higashinaka: A Comparative Study of Human-operated and AI-driven Guidance with a Teleoperated Mobile Robot. IJCNLP-AACL 2025, 2025. [ACL Anthology]
• Paper Manato Uetake, Tomonori Kubota, Masaya Iwasaki, Shota Mochizuki, Sanae Yamashita, Ao Guo, Kenya Hoshimure, Jun Baba, Ryuichiro Higashinaka, Satoshi Sato, Kohei Ogawa: Teleoperation System Enabling Operator-Robot Dialogue for Reducing Operator Boredom during Long-Duration Tasks. International Conference on Human-Agent Interaction (HAI 2025), 2025. [ACM]
• Paper Shiki Sato, Jun Baba, Asahi Hentona, Shinji Iwata, Akifumi Yoshimoto, Koichiro Yoshino: Proactive User Information Acquisition via Chats on User-Favored Topics. Findings of the Association for Computational Linguistics: EMNLP 2025, pp. 2418-2443, 2025. [ACL Anthology]
• Paper Shota Mochizuki, Sanae Yamashita, Kenya Hoshimure, Jun Baba, Tomonori Kubota, Kohei Ogawa, Ryuichiro Higashinaka: Anomaly Detection in Human-Robot Interaction Using Multimodal Models Constructed from In-the-Wild Interactions. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2025), pp. 880-886, 2025. [IEEE]
• Paper Ryo Miyoshi, Yuki Okafuji, Takuya Iwamoto, Junya Nakanishi, Jun Baba: User Experience Estimation in Human-Robot Interaction via Multi-Instance Learning of Multimodal Social Signals. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2025), 2025. [IEEE]
• Paper Koji Inoue, Yuki Okafuji, Jun Baba, Yoshiki Ohira, Katsuya Hyodo, Tatsuya Kawahara: A Noise-Robust Turn-Taking System for Real-World Dialogue Robots: A Field Experiment. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2025), 2025. [IEEE]
• Paper Shinji Iwata, Koya Ihara, Shiki Sato, Jun Baba, Asahi Hentona, Masahiro Yamazaki, Yuki Shiotsuka, Takahiro Ishizue, Akifumi Yoshimoto: Identification and Analysis of Identity-Centric Elements of Character-Likeness in Game Scenario. SIGDIAL 2025, pp. 275-284, 2025. (Best Paper Nominee) [ACL Anthology]
• Paper Amy Koike, Yuki Okafuji, Kenya Hoshimure, Jun Baba: What Drives You to Interact?: The Role of User Motivation for a Robot in the Wild. ACM/IEEE International Conference on Human-Robot Interaction (HRI 2025), 2025. [IEEE]
• Paper Asahi Hentona, Jun Baba, Shiki Sato, Reina Akama: User Willingness-aware Sales Talk Dataset. Proceedings of the 31st International Conference on Computational Linguistics (COLING 2025), 2025. [ACL Anthology]
• Paper Manato Uetake, Masaya Iwasaki, Tomonori Kubota, Jun Baba, Satoshi Sato, Kohei Ogawa: Operator Enjoyment in Teleoperation of Customer Service Robots: Interface Design Guidelines from a Field Study. International Conference on Human-Agent Interaction (HAI 2024), 2024. [ACM]
• Paper Kenya Hoshimure, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Where and When Should the Teleoperated Avatar Look: Gaze Instruction Dataset for Enhanced Teleoperated Avatar Communication. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2024), pp. 2494-2501, 2024. [IEEE]
• Paper Ryo Yonetani, Jun Baba, Yasutaka Furukawa: RetailOpt: Opt-In, Easy-to-Deploy Trajectory Estimation from Smartphone Motion Data and Retail Facility Information. ACM International Symposium on Wearable Computers (ISWC 2024), 2024. (Best Paper Honorable Mention) [ACM]
• Paper Nami Ogawa, Jun Baba, Junya Nakanishi: Investigating Effect of Altered Auditory Feedback on Self-Representation, Subjective Operator Experience, and Task Performance in Teleoperation of a Social Robot. CHI Conference on Human Factors in Computing Systems (CHI 2024), 2024. [ACM]
• Poster Yota Hatano, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: How to Decrease Negative Impressions towards Multiple Social Robots: A Preliminary Investigation. Companion of the 2024 ACM/IEEE International Conference on Human-Robot Interaction (HRI 2024), 2024. [ACM]
• Paper Shota Mochizuki, Sanae Yamashita, Kazuyoshi Kawasaki, Reiko Yuasa, Tomonori Kubota, Kohei Ogawa, Jun Baba, Ryuichiro Higashinaka: Investigating the Intervention in Parallel Conversations. International Conference on Human-Agent Interaction (HAI 2023), 2023. [ACM]
• Paper Sanae Yamashita, Shota Mochizuki, Kazuyoshi Kawasaki, Tomonori Kubota, Kohei Ogawa, Jun Baba, Ryuichiro Higashinaka: Investigating the Effects of Dialogue Summarization on Intervention in Human-System Collaborative Dialogue. International Conference on Human-Agent Interaction (HAI 2023), 2023. [ACM]
• Paper Yuki Okafuji, Yuya Mitsui, Kohei Matsumura, Jun Baba, Junya Nakanishi: Changes in Embarrassment Through Repeated Interactions with Robots in Public Spaces. 32nd IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2023), 2023. [IEEE]
• Paper Yuki Chamoto, Yuki Okafuji, Kohei Matsumura, Jun Baba, Junya Nakanishi: Investigating the Influence of Task-dependent and Task-independent Robot Behavior on the Impression of Robots and the User Experience. 32nd IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2023), 2023. [IEEE]
• Paper Yota Hatano, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Exploring the Recommendation Expressions of Multiple Robots Towards Single-Operator-Multiple-Robots Teleoperation. International Conference on Human-Computer Interaction (HCII 2023), pp. 46-60, 2023. [Springer]
• Paper Itaru Kuramoto, Jun Baba, Junya Nakanishi: Designing a Robot as an Interaction Frontend for Elderly People Living in Aging Mountainous District in Japan. International Conference on Human-Computer Interaction (HCII 2023), pp. 234-242, 2023. [Springer]
• Paper Sichao Song, Jun Baba, Yuki Okafuji, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Out for In!: Empirical Study on the Combination Power of Two Service Robots for Product Recommendation. ACM/IEEE International Conference on Human-Robot Interaction (HRI 2023), 2023. [ACM]
• Paper Megumi Kawata, Masashi Maeda, Yuichiro Yoshikawa, Hirokazu Kumazaki, Hiroko Kamide, Jun Baba, Naomi Matsuura, Hiroshi Ishiguro: Preliminary Investigation of the Acceptance of a Teleoperated Interactive Robot Participating in a Classroom by 5th Grade Students. International Conference on Social Robotics (ICSR 2022), pp. 194-203, 2022. [Springer]
• Paper Shuyun Tang, Luo Zhaojie, Jun Baba, Yuichiro Yoshikawa, Hiroshi Ishiguro: Fusion With Hierarchical Graphs for Multimodal Emotion Recognition. 14th Annual Conference on Asia-Pacific Signal and Information Processing Association (APSIPA ASC 2022), 2022. [Arxiv]
• Paper Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Service Robots in a Bakery Shop: A Field Study. IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS 2022), 2022. [Arxiv]
• Paper Jun Baba, Sichao Song, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Instructive Interaction for Redirection of Customer Attention from Robot to Service. 31st IEEE International Conference on Robot and Human Interactive Communication(RO-MAN 2022), pp. 598-602, 2022. [IEEE]
• Paper Junya Nakanishi, Jun Baba, and Hiroshi Ishiguro: Robot-mediated Child–Elderly Interaction: A Pilot Study for Greeting Tasks in Nursery Schools. ACM/IEEE International Conference on Human-Robot Interaction(HRI 2022), pp.63-70, 2022. [ACM]
• Paper Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Costume vs. Autonomous vs. Telepresence: How Social Presence Forms of Tele-operated Robots Influence Customer Behavior. ACM/IEEE International Conference on Human-Robot Interaction(HRI 2022), pp.521-529, 2022. [ACM]
• Poster Takuya Iwamoto, Jun Baba, Junya Nakanishi, Kotaro Nishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Pick-me-up Strategy for a Self-recommendation Agent: A Pilot Field Experiment in a Convenience Store. ACM/IEEE International Conference on Human-Robot Interaction (HRI2022), March, 2022. [ACM]
• Poster Yuki Tamaru, Yasunori Ozaki, Yuki Okafuji, Junya Nakanishi, Yuichiro Yoshikawa, and Jun Baba: 3D Head-Position Prediction in First-Person View by Considering Head Pose for Human-Robot EyeContact. ACM/IEEE International Conference on Human-Robot Interaction(HRI 2022), March, 2022. [ACM]
• Poster Tomomi Takahashi, Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Can an Empathetic Teleoperated Robot Be a Working Mate that Supports Operator’s Mentality?. ACM/IEEE International Conference on Human-Robot Interaction(HRI 2022), March, 2022. [ACM]
• Paper Takuya Iwamoto, Jun Baba, Kotaro Nishi, Taishi Unokuchi, Daisuke Endo, Junya Nakanishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro: The Effectiveness of Self-Recommending Agents in Advancing Purchase Behavior Steps in Retail Marketing. In Proceedings of the 9th International Conference on Human-Agent Interaction (HAI '21). Association for Computing Machinery, New York, NY, USA, 209–217. (Outstanding Paper Award) [ACM]
• Paper Tomoyuki Ueda, Junya Nakanishi, Itaru Kuramoto, Jun Baba, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Cyberbullying Mitigation by a Proxy Persuasion of a Chat Member Hijacked by a Chatbot. In Proceedings of the 9th International Conference on Human-Agent Interaction (HAI '21). Association for Computing Machinery, New York, NY, USA, 202–208. [ACM]
• Paper Yuki Okafuji, Jun Baba, Junya Nakanishi, Joichiro Amada, Yuichiro Yoshikawa, Hiroshi Ishiguro: Persuasion Strategies for Social Robot to Keep Humans Accepting Daily Different Recommendations. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Virtual Conference, September 2021. [Movie]
• Paper Joichiro Amada, Yuki Okafuji, Takahiro Wada, Jun Baba, Junya Nakanishi and Yuichiro Yoshikawa: Behavioral Changes in Passersby by Expanding Embodiment of a Calling Robot. 2021 30th IEEE International Conference on Robot & Human Interactive Communication (RO-MAN), 2021, pp. 1313-1318. [IEEE]
• Paper Junya Nakanishi, Tomohisa Hazama, Jun Baba, Sichao Song, Yuichiro Yoshikawa and Hiroshi Ishiguro: Exploring Possibilities of Social Robot’s Interactive Services in the Case of a Hotel Room. 2021 30th IEEE International Conference on Robot & Human Interactive Communication (RO-MAN), 2021, pp. 925-930.[IEEE]
• Paper Ryosuke Takada, Kenya Hoshimure, Takuya Iwamoto and Jun Baba: POP Cart: Product Recommendation System by an Agent on a Shopping Cart. 2021 30th IEEE International Conference on Robot & Human Interactive Communication (RO-MAN), 2021, pp. 59-66. [IEEE]
• Poster Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro(2021): Teleoperated Robot Sells Toothbrush in a Shopping Mall: A Field Study. Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, New York, NY, USA, Article 221, 1–6. [ACM]
• Paper Junya Nakanishi, Jun Baba, Itaru Kuramoto, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro(2020): Smart Speaker vs. Social Robot in a Case of Hotel Room. Proceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS’20). Las Vegas, USA, October, 2020.
• Poster Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Mind The Voice!: Effect of Robot Voice Pitch, Robot Voice Gender, and User Gender on User Perception of Teleoperated Robots. In Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems Extended Abstracts (CHI ’20). Association for Computing Machinery, New York, NY, USA, 1–8.
• Paper 　Jun Baba, Song Sichao, Junya Nakanishi, Itaru Kuramoto, Kohei Ogawa, Yuichiro Yoshikawa, and Hiroshi Ishiguro: Teleoperated Robot Acting Autonomous for Better Customer Satisfaction. In Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing Systems Extended Abstracts (CHI ’20). Association for Computing Machinery, New York, NY, USA, 1–8. (Acceptance rate < 30%)
• Poster Yuki Okafuji, Yasunori Ozaki, Jun Baba, Asano Kitahara, Junya Nakanishi, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro: Please Listen to Me: How to Make Passersby Stop by a Humanoid Robot in a Shopping Mall. HRI (Companion) 2020: 381-383
• Poster Junya Nakanishi, Jun Baba, Itaru Kuramoto: How to Enhance Social Robots' Heartwarming Interaction in Service Encounters. HAI 2019: 297-299
• Demo 　Yuki Okafuji, Jun Baba, Junya Nakanishi: Face-to-Face Contact Method for Humanoid Robots Using Face Position Prediction. HRI 2019: 666
• Paper 　Junya Nakanishi, Itaru Kuramoto, Jun Baba, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro: Soliloquising Social Robot in a Hotel Room. OZCHI 2019: 21-29
• Paper 　Junya Nakanishi, Itaru Kuramoto, Jun Baba, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro: Can a Humanoid Robot Engage in Heartwarming Interaction Service at a Hotel? HAI 2018: 45-53
• Paper 　Itaru Kuramoto, Jun Baba, Kohei Ogawa, Yuichiro Yoshikawa, Takayuki Kawabata, Hiroshi Ishiguro: Conversational Agents to Suppress Customer Anger in Text-based Customer-support Conversations. HAI 2018: 114-121
• Paper 　Takanori Maehara, Atsuhiro Narita, Jun Baba, Takayuki Kawabata: Optimal Bidding Strategy for Brand Advertising. IJCAI 2018: 424-432

プレプリント / Preprint

• Preprint Sichao Song, Yuki Okafuji, Takuya Iwamoto, Jun Baba, Hiroshi Ishiguro: From Metrics to Meaning: Insights from a Mixed-Methods Field Experiment on Retail Robot Deployment. arXiv:2601.01946, 2026. [Arxiv]
• Preprint Nami Ogawa, Yuki Okafuji, Yuji Hatada, Jun Baba: Understanding Collaboration between Professional Designers and Decision-making AI: A Case Study in the Workplace. arXiv:2509.24718, 2025. [Arxiv]
• Preprint Ryo Miyoshi, Yuki Okafuji, Takuya Iwamoto, Junya Nakanishi, Jun Baba: User Experience Estimation in Human-Robot Interaction via Multi-Instance Learning of Multimodal Social Signals. arXiv:2507.23544, 2025. [Arxiv]
• Preprint Junya Nakanishi, Jun Baba, Yuichiro Yoshikawa, Hiroko Kamide, Hiroshi Ishiguro: Hypothesis on the Functional Advantages of the Selection-Broadcast Cycle Structure: Global Workspace Theory and Dealing with a Real-Time World. arXiv:2505.13969, 2025. [Arxiv]
• Preprint Shiki Sato, Jun Baba, Asahi Hentona, Shinji Iwata, Akifumi Yoshimoto, Koichiro Yoshino: Proactive User Information Acquisition via Chats on User-Favored Topics. arXiv:2504.07698, 2025. [Arxiv]
• Preprint Koji Inoue, Yuki Okafuji, Jun Baba, Yoshiki Ohira, Katsuya Hyodo, Tatsuya Kawahara: A Noise-Robust Turn-Taking System for Real-World Dialogue Robots: A Field Experiment. arXiv:2503.06241, 2025. [Arxiv]
• Preprint Amy Koike, Yuki Okafuji, Kenya Hoshimure, Jun Baba: What Drives You to Interact?: The Role of User Motivation for a Robot in the Wild. arXiv:2501.04929, 2025. [Arxiv]
• Preprint Asahi Hentona, Jun Baba, Shiki Sato, Reina Akama: User Willingness-aware Sales Talk Dataset. arXiv:2412.19490, 2024. [Arxiv]
• Preprint Ryo Yonetani, Jun Baba, Yasutaka Furukawa: RetailOpt: An Opt-In, Easy-to-Deploy Trajectory Estimation System Leveraging Smartphone Motion Data and Retail Facility Information. arXiv:2404.12548, 2024. [Arxiv]
• Preprint Yuki Okafuji, Sichao Song, Jun Baba, Yuichiro Yoshikawa, Hiroshi Ishiguro: Influence of Collaborative Customer Service by Service Robots and Clerks in Bakery Stores. arXiv:2212.10687, 2022. [Arxiv]
• Preprint Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro: Service Robots in a Bakery Shop: A Field Study. arXiv:2208.09260, 2022. [Arxiv]
• Preprint Taichi Sakaguchi, Yuki Okafuji, Kohei Matsumura, Jun Baba, Junya Nakanishi: An Estimation Framework for Passerby Engagement Interacting with Social Robots. arXiv:2206.02394, 2022. [Arxiv]
• Preprint Zhaojie Luo, Shoufeng Lin, Rui Liu, Jun Baba, Yuichiro Yoshikawa, Hiroshi Ishiguro: Decoupling Speaker-Independent Emotions for Voice Conversion Via Source-Filter Networks. arXiv:2110.01164, 2021. [Arxiv]
• Preprint Yuki Okafuji, Yasunori Ozaki, Jun Baba, Junya Nakanishi, Kohei Ogawa, Yuichiro Yoshikawa, Hiroshi Ishiguro: Behavioral assessment of a humanoid robot when attracting pedestrians in a mall. arXiv:2109.02771, 2021. [Arxiv]
• Preprint Yuki Tamaru, Yasunori Ozaki, Yuki Okafuji, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa: 3D Head-Position Prediction in First-Person View by Considering Head Pose for Human-Robot Eye Contact. arXiv:2103.06417, 2021. [Arxiv]

国内会議 / Domastic Conference

• Paper 馬場惇: マルチモーダル入力からの反応動作と応答発話を両立するマルチモーダル対話基盤の開発, 人工知能学会 言語・音声理解と対話処理研究会 (SIG-SLUD) 第99回, 2023. [J-STAGE]
• Paper フロアプラン情報を手掛かりとした最適化に基づくNeural Inertial Localization, 画像の認識・理解シンポジウム (MIRU 2023), 2023.
• Paper 川田萌生, 前田雅史, 吉川雄一郎, 熊崎博一, 上出寛子, 馬場惇: 複数人遠隔操作型対話ロボットの学級参加による5年生児を対象としたロボットに対する受容と学級に与える影響に関する調査, 第41回日本ロボット学会学術講演会, 2023.
• Paper 川田萌生, 前田雅史, 吉川雄一郎, 熊崎博一, 上出寛子, 馬場惇: 遠隔操作ロボットの学級参加による5年生児童を対象としたロボット受容過程の初期調査, 第40回日本ロボット学会学術講演会, 2022.
• Paper Ryosuke Kawashima, Kohei Okuoka, Takuya Iwamoto, Jun Baba, Daisuke Endo, Takayuki Omori, Masahiko Osawa: Preliminary Research on the Effectiveness of Recommendations by Sound Agents without Body. 電子情報通信学会技術研究報告, vol. 121, no. 363, pp. 7-11, 2022.
• Paper 川島遼介，留目沙也，奥岡耕平，岩本拓也，馬場惇，遠藤大介，宮田章裕，大澤正彦: 推薦エージェントの身体が販促に与える影響のフィールド調査， クラウドネットワークロボット研究会.
• Paper 福嶋稜，鈴木啓介，川島遼介，八木拓真，馬場惇，岩本拓也，遠藤大介，宮田章裕，大澤正彦: 推薦対象に変身する擬態エージェントの提案， クラウドネットワークロボット研究会.
• Paper 挾間智久，中西惇也，馬場惇，吉川雄一郎，石黒浩: 複数の目標の話題に誘導する対話のための話題戦略並列実行アーキテクチャ， 第27回ロボティクスシンポジア. （ロボティクスシンポジア賞 優秀賞）
• Poster 天田穣一朗，岡藤勇希，松村耕平，馬場惇，中西惇也: 複数ロボットを用いた疑似的な人だかりによる通行人への集客効果の検証， HAIシンポジウム2022. (IMPRESSIVE SHORT-PAPER AWARD)
• Poster 坂口太一，岡藤勇希，松村耕平，馬場惇，中西惇也: ロボットとインタラクションを行う通行人のエンゲージメントモデリング， HAIシンポジウム2022.
• Poster 牧田昌大，岡藤勇希，松村耕平，馬場惇，中西惇也: 公共空間において恥ずかしさがロボットの利用に与える影響の調査， HAIシンポジウム2022. (IMPRESSIVE SHORT-PAPER AWARD)
• Poster 原拓也, 馬場惇, 岩本拓也: 商品主体推薦：客が選んだ商品による他商品の推薦システム， 人工知能学会全国大会論文集 第 35 回全国大会 (2021).
• Poster 福嶋稜, 八木拓真, 馬場惇, 岩本拓也, 遠藤大介, 大澤正彦: 購買行動において認知的不協和を顕在化し解消を促進する窓エージェントの提案と検討， HAIシンポジウム2021.
• Poster 川島遼介, 曾野太一, 岩本拓也, 馬場惇, 遠藤大介, 大澤正彦: 身体のない音エージェントによる広告効果の検討， HAIシンポジウム2021.
• Poster 片山晋, 馬場惇, 中西惇也, 吉川雄一郎: 対話エージェントの相槌における態度表出に関する有効性の検証， HAIシンポジウム2021.
• Paper 天田穣一朗, 岡藤勇希, 和田隆広, 馬場惇, 中西惇也, 吉川雄一郎: 呼びかけロボットの身体性拡張による通行人の行動促進， HAIシンポジウム2021.
• Poster Sichao Song, Jun Baba, Junya Nakanishi, Yuichiro Yoshikawa, Hiroshi Ishiguro(2019): Investigating the Effects of Robot Voice Pitch，Robot Voice Gender，and User Gender on User Perception of Teleoperated Robots， HAIシンポジウム2019，2020/3/6．
• Poster 馬場 惇，坂田 雄亮(2019): Webからの商品特有の体験談抽出手法と商品推薦会話生成システム， HAIシンポジウム2019，2020/3/6．
• Paper 　植田智之，中西惇也，倉本到，馬場惇，吉川雄一郎，小川浩平，石黒浩(2019): いじめ仲裁を促進する発話者を装うチャットボット， 研究報告ヒューマンコンピュータインタラクション（HCI），Vol. 2019-HCI-184，No.16，pp.1-8，2019/7/22，北海道大学.
• Poster 岡藤勇希，馬場惇，中西惇也，倉本到(2019): ヒューマノイドロボットのための顔位置予測を用いた人の顔追従制御， HAIシンポジウム2018，2019/3/8, 専修大学．
• Paper 　前田 健太郎，中西 惇也，馬場 惇，倉本 到，小川 浩平，吉川 雄一郎，石黒 浩(2018): 意思決定時の自己決定感向上のためのエージェント間対話による推薦情報の周辺提示， 研究報告ヒューマンコンピュータインタラクション（HCI），情報処理学会，Vol. 2019-HCI-181, No.11, pp.1-8. 2019/1/21, 石垣市．
• Paper 　前田 健太郎，中西 惇也，馬場 惇，倉本 到，小川 浩平，吉川 雄一郎，石黒 浩(2018): 意思決定時の自己決定感を維持向上させるためのエージェント間対話の周辺提示による情報推薦， ロボティクス・メカトロニクス講演会2018，日本機械学会 ロボティクス・メカトロニクス部門，2A1-C14. 2018/6/5, 北九州市．
• Paper 　倉本 到，馬場 惇，小川 浩平，吉川 雄一郎，川端 貴幸，石黒 浩(2018): テキストチャットによるクレーム対応における話者の怒り感情を抑制する対話エージェント， 研究報告ヒューマンコンピュータインタラクション（HCI），情報処理学会，Vol. 2018-HCI-176, No. 6, pp.1-8. 2018/1/22, 沖縄大学．
• Paper 　原淳史， 馬場惇， 岩崎祐貴， 田中駿(2017): Entity Linking を用いたユーザのサイト回遊におけるデモグラフィック推定の検討， 人工知能学会全国大会論文集 第 31 回全国大会 (2017)．
• Paper 　馬場惇， 岩崎祐貴， 杉尾樹， 北出庫介， 福嶋剛(2015): 検索連動型広告におけるテキスト自動生成とその評価指標の検討， 人工知能学会全国大会論文集 第 29 回全国大会 (2015)．
• Paper 　馬場惇， 山本章博(2013): Text Localization in Scene Images by Using Character Energy and Maximally Stable Extremal Regions， 人工知能学会全国大会論文集 第 27 回全国大会 (2013)．

事業化 / Commercialization

プロダクト / Product

• Product 薬急便 遠隔接客AIアシスタント（通称：エーアシ）．MG-DX × AI Lab 共同開発の薬局特化型接客AI．AI無人受付と有人遠隔接客を組み合わせ、薬剤師の対人業務を支援． [サービスサイト] [MG-DX] [CyberAgent DX]
• Case クリエイトエス・ディー、薬局受付AIエージェントを導入．お戻り患者の待ち時間を約3分短縮． [導入事例]

取材 / Media

• Media 調剤薬局、ロボが接客　薬剤師不足やカスハラ対策に（日本経済新聞） 2025/07/07
• Media AI無人受付と有人遠隔接客を融合する、サイバーエージェントのリモート接客（MD NEXT） 2025/01/20
• Media サイバーエージェントのAI活用による店舗接客支援サービス提案とは（MD NEXT） 2024/11/25
• Media サイバー、「お待たせしない薬局づくり」を支援　薬局に遠隔接客ロボ（ITmedia） 2024/11/20
• Media サイバーエージェント、薬局に遠隔接客ロボット　マイナ保険証の説明に（日本経済新聞） 2024/11/17
• Media サイバーエージェントの提案する「調剤」と「物販」が融合した、これからのドラッグストア（MD NEXT） 2024/09/23

書籍・メディア掲載 / Books・Media

• Media サイバーエージェントAI Labと大阪大学、1人で複数ロボットを遠隔運用する施設案内の実証実験（ドローンジャーナル） 2026/02/27
• Media ロボットで誰でも「50人力」 サイバーエージェント、AIで同時操作（日本経済新聞） 2026/02/16
• Media 多言語対応のアバターが接客する生成AI免税自販機が京都の元離宮二条城に設置（ASCII STARTUP） 2025/01/14
• Media サイバーエージェントが変える小売り、AIロボット接客を実証（日経クロステック） 2024/06/06
• Media サイバーエージェント、大規模言語モデルを活用した接客ロボットの実証実験（TECH+） 2023/12/04
• Media 100体以上のアバターが働く「アバターまつり」--共生社会目指し実証実験（CNET Japan） 2023/07/11
• Media サイバーエージェントが、阪大の石黒研究室と共にAIに注力するワケ（ASCII STARTUP） 2023/02/28
• Media サイバーエージェント「AI Lab」、グリーンローソンで2種のロボットを用いた販促効果の検証を開始（MarkeZine） 2022/11/29
• Media 「遠隔対話ロボットで働く」3つの実証実験（科学技術振興機構 事業成果） 2022/10
• Media お土産に迷ったら…相談してね！ 神戸空港でロボットが接客 （テレビ大阪） 2022/08/22
• Media 遠隔操作のロボットが接客 神戸空港で実証実験（NHK） 2022/08/22
• Media "人の仕事を奪う"ではない...人と"一体"になる『巨大人型ロボ』『接客上手ロボ』　人×ロボットの最新技術に驚がく！ （毎日放送） 2022/06/13
• Media 未熟な接客ロボ、人が補う　サイバー・阪大が100体実験 （日本経済新聞） 2022/05/09
• Media 保育園 ネットで学び ロボが世話（日本経済新聞 日経MJ） 2022/02/11
• Media コミュニケーションの可能性を拡げる”アバター”（ニューモデルマガジンX）, 2022年2月号
• Media 強い店舗は「すること」を提案、リアルの役割深掘り ルルレモンやアトモス、「売る」以外の価値創る（日本経済新聞 日経MJ）, 2022/01/08
• Media Re店舗 「集う理由」をつくれ 「すること」提案強さの条件 接客はデジタル×人の力（日本経済新聞 日経MJ）, 2022/01/03
• Media 関西の空港、逆風下の変革　接客ロボやAI荷物検査 空の玄関の試み　まとめ読み（日本経済新聞）, 2021/09/25
• Media 神戸空港でロボットが接客　阪大とサイバーが実験開始 （日本経済新聞）, 2021/09/17
• Media 素通りできない自販機　ロボットが接客・AIがお薦め （日本経済新聞）, 2021/09/05
• Media 「対話ロボット普及の肝は 価値＞コスト の実現」AI Lab4年間の実証実験から描く未来予想図【BIT VALLEY 2021 イベントレポ】（エンジニアtype）, 2021/08/30
• Media ロボットによる接客で真珠のネックレスを買う時代は来るか（ASCII STARTUP）, 2021/08/26
• Media 「ロボットらしい演技が大事」　サイバーエージェント流、遠隔接客ロボの効果的な使い方（ITmedia）, 2021/08/10
• Media 「迎える」ロボット　武器は愛嬌？ホテルで手助け（日本経済新聞 ロボット新世紀）, 2021/01/19
• Book ゼロからわかる人工知能 仕事編 増補第2版 (ニュートン別冊)「AIと小売業」「接客AI」, 2020/11/17
• Media 【特別対談】これからのAI発展に必要な人間とAIの“信頼関係”の構築, 2020/11/04
• Book ニュートン式 超図解 最強に面白い!! 人工知能 仕事編 (ニュートン式超図解 最強に面白い!!) （監修：松原仁）「お店ではたらく三つのAI（p.90）」「気配りのできるAIの開発が進む（p.94）」, 2020/7/31
• Media サイバーエージェント AI Lab×阪大 石黒研、珍しく産学連携が上手く進んでいるわけ, 2019/02/22
• Media 怒りを静めるチャットボット!? サイバーエージェントの話者感情制御技術とは, 2019/02/21
• Book ゼロからわかる人工知能 仕事編 (ニュートン別冊)「AIと小売業」「接客AI」, 2018/12/17
• Media AIは人の怒りを鎮めることができるか――信頼できる「対話エージェント」の作り方, 2018/11/12
• Media 人が“生命”を感じ、信頼できる対話AI　実現のヒントは掃除ロボット「ルンバ」にある, 2018/11/08
• Media 「私のためにやってくれている感」 ── サイバーエージェントが科学するボットによる接客コミュニケーション, 2018/08/31
• Media チャットbotでジュエリーの購買率が3倍に!?　CAと「4℃」の実証実験、対話AIの秘密に迫る, 2018/08/23

受賞 / Awards

• Co-author Best Paper Nominee (SIGDIAL 2025), Co-author
• Co-author Best Paper Honorable Mention (ACM ISWC 2024 Notes and Briefs), Second Author
• Co-author 第27回ロボティクスシンポジア ロボティクスシンポジア賞優秀賞, Third Author
• Co-author Outstanding Paper Award (9th annual International Conference on Human-Agent Interaction), Second Author
• Co-author Best Poster Award (7th annual International Conference on Human-Agent Interaction), Second Author
• Co-author March 2019, Most Impressive Poster Award in HAI Symposium 2018, Second Author
  HAIシンポジウム2018 最優秀ポスター賞（共著）