Koki Ijuin

Profile Information

Affiliation: Lecturer, School of Knowledge Science, Japan Advanced Institute of Science and Technology

Degree: 博士(工学)(同志社大学)

J-GLOBAL ID: 201901003116214258
researchmap Member ID: B000356751

Research Interests

Research Areas

Research History

Apr, 2024 - Present

Senior Lecturer, School of Knowledge Science, Japan Advanced Institute of Science and Technology
Apr, 2022 - Mar, 2024

Research Assistant Professor, School of Knowledge Science, Japan Advanced Institute of Science and Technology
Apr, 2020 - Mar, 2022

Postdoctoral Researcher, Human Augmentation Research Center, National Institute of Advanced Industrial Science and Technology
Apr, 2019 - Mar, 2020

Postdoctoral Researcher, Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology

Education

Apr, 2014 - Mar, 2019

Department of Information Technology, Graduate School of Science and Engineering, Doshisha University
Apr, 2010 - Mar, 2014

Department of Information Systems Design, Faculty of Science and Engineering, Doshisha University

Papers

Human-Centric Digital Twin Focused on “Gen-Ba” Knowledge: Conceptual Model and Examples by Smart Voice Messaging System

Naoshi Uchihira, Takuichi Nishimura, Koki Ijuin

2023 Portland International Conference on Management of Engineering and Technology (PICMET), Jul, 2023
対面・オンラインのコミュニケーション特性比較：共創活動の観点から

馬田一郎, 伊集院幸輝, 加藤恒夫, 山本誠一

認知科学, 29(2) 163-173, Jun, 2022 Peer-reviewed
Proposing Remote Video Conversation System "PARAPPA": Delivering the Gesture and Body Posture with Rotary Screen*.

Koki Ijuin, Kunihiro Ogata, Kentaro Watanabe, Hiroyasu Miwa, Yoshinobu Yamamoto

30th IEEE International Conference on Robot & Human Interactive Communication(RO-MAN), 1060-1065, 2021
Estimating Interaction State from Nonverbal Cues and Utterance Events: A Preliminary Study to Support Ideation Facilitation in Living Lab

Ichiro Umata, Sumaru Niida, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12774 LNCS 530-537, 2021
Interweaving Data and Knowledge for Co-education Augmentation.

Takuichi Nishimura, Yasuyuki Yoshida, Chiaki Oshiyama, Koki Ijuin, Chisae Murata, Nami Iino, Yuta Tawaki, Yuki Hayashi, Maiko Kobayakawa

IEEE International Conference on Teaching, Assessment, and Learning for Engineering(TALE), 961-964, 2020
Effects of Linguistic Proficiency and Conversation Topic on Listener's Gaze in Triadic Conversation.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Social Computing and Social Media. Design, Ethics, User Behavior, and Social Network Analysis - 12th International Conference, 658-668, 2020
Exploring Gaze Behaviour and Perceived Personality Traits.

Koki Ijuin, Kristiina Jokinen

Social Computing and Social Media. Design, Ethics, User Behavior, and Social Network Analysis - 12th International Conference, 504-512, 2020
Quantitative Analyses of Gaze Duration from the viewpoints of Grounding Acts, Conversation Topic, and Linguistic Proficiency.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Proceedings of the 42th Annual Meeting of the Cognitive Science Society - Developing a Mind: Learning in Humans, Animals, and Machines(CogSci), 2020
Investigation of Method to Structure Worker-based Goal-oriented Knowledge with Action Flowchart and Goal-oriented tree

IJUIN Koki, MAIKO Kobayakawa, SATOSHI Nishimura, TAKUICHI Nishimura

JSAI Technical Report, Type 2 SIG, 2019(SWO-048) 05, Aug 23, 2019
Utterances in Social Robot Interactions - Correlation Analyses between Robot's Fluency and Participant's Impression.

Koki Ijuin, Kristiina Jokinen

Proceedings of the 7th International Conference on Human-Agent Interaction(HAI), 280-282, 2019
Gaze from and Toward the Silent Third Participant in a Triadic Conversation.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Social Computing and Social Media. Communication and Social Communities - 11th International Conference, 68-76, 2019
Floor Apportionment Function of Speaker's Gaze in Grounding Acts.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

ICMI'19: ADJUNCT OF THE 2019 INTERNATIONAL CONFERENCE ON MULTIMODAL INTERACTION, 13-7, 2019
Difference in Eye Gaze for Floor Apportionment in Native- and Second-Language Conversations

Koki Ijuin, Ichiro Umata, Tsuneo Kato, Seiichi Yamamoto

Journal of Nonverbal Behavior, 42(1) 113-128, Mar 1, 2018 Peer-reviewed
Floor Apportionment and Mutual Gazes in Native and Second-Language Conversation.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Proceedings of the 2018 on International Conference on Multimodal Interaction, ICMI 2018, Boulder, CO, USA, October 16-20, 2018, 334-341, 2018 Peer-reviewed
Gaze during utterances and silence in L1 and L2 Conversations.

Ichiro Umata, Koki Ijuin, Tsuneo Kato, Seiichi Yamamoto

Proceedings of the 39th Annual Meeting of the Cognitive Science Society, CogSci 2017, London, UK, 16-29 July 2017, 34th, 2017 Peer-reviewed
Quantitative Analysis of Gazes and Grounding Acts in L1 and L2 Conversations.

Ichiro Umata, Koki Ijuin, Mitsuru Ishida, Moe Takeuchi, Seiichi Yamamoto

Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, Portorož, Slovenia, May 23-28, 2016., 2016 Peer-reviewed
Eye Gaze Analyses in L1 and L2 Conversations: Difference in Interaction Structures.

Koki Ijuin, Yasuhiro Horiuchi, Ichiro Umata, Seiichi Yamamoto

TEXT, SPEECH, AND DIALOGUE (TSD 2015), 9302 114-121, 2015 Peer-reviewed
Quantitative analyses of Gaze Activity during Silence: Comparison between Native-Language and Second-Language Conversation.

Ichiro Umata, Tomoya Tanizoe, Koki Ijuin, Seiichi Yamamoto

Proceedings of the EuroAsianPacific Joint Conference on Cognitive Science / 4th European Conference on Cognitive Science / 11th International Conference on Cognitive Science, Torino, Italy, September 25-27, 2015., 2015 Peer-reviewed
Multimodal corpus of multiparty conversations in L1 and L2 languages and findings obtained from it.

Seiichi Yamamoto, Keiko Taguchi, Koki Ijuin, Ichiro Umata, Masafumi Nishida

Lang. Resour. Evaluation, 49(4) 857-882, 2015 Peer-reviewed
Multimodal Japanese corpus of multi-party conversation on two different topic types.

Keiko Taguchi, Seiichi Yamamoto, Koki Ijuin, Ichiro Umata

2014 17TH ORIENTAL CHAPTER OF THE INTERNATIONAL COMMITTEE FOR THE CO-ORDINATION AND STANDARDIZATION OF SPEECH DATABASES AND ASSESSMENT TECHNIQUES (COCOSDA), 1-4, 2014 Peer-reviewed
Eye Gaze Analyses in L1 and L2 Conversations: From the Perspective of Listeners' Eye Gaze Activity.

Koki Ijuin, Keiko Taguchi, Ichiro Umata, Seiichi Yamamoto

UM3I 2014 - Proceedings of the 2014 ACM Workshop on Understanding and Modeling Multiparty, Multimodal Interactions, Co-located with ICMI 2014, 33-37, 2014 Peer-reviewed
Effects of language proficiency on eye-gaze in second language conversations: toward supporting second language collaboration.

Ichiro Umata, Seiichi Yamamoto, Koki Ijuin, Masafumi Nishida

ICMI'13: PROCEEDINGS OF THE 2013 ACM INTERNATIONAL CONFERENCE ON MULTIMODAL INTERACTION, 413-420, 2013 Peer-reviewed

Misc.

Methodology of Structuring Knowledge by Discussing Purposes of Each Action in Procedure-based Knowledge Graph: Structuring Purpose-based Knowledge Graph with Care-giving Experts

伊集院幸輝, 小早川真衣子, 小早川真衣子, 飯野なみ, 飯野なみ, 飯野なみ, 西村拓一

情報処理学会論文誌ジャーナル(Web), 63(1), 2022
Structuring Expert Knowledge of Inspection Services

伊集院幸輝, 小早川真衣子, 鎌田政智, 石井翔太, 西村拓一

人工知能学会全国大会(Web), 35th, 2021
Knowledge Structuring for Mental and Motor control of physical expression

西村拓一, 吉田康行, 押山千秋, 伊集院幸輝, 飯野なみ, 田脇裕太, 林侑輝, 小早川真衣子

人工知能学会全国大会(Web), 35th, 2021
”Societal Design” practice for Connecting novel Technology to People’s everyday activity

小早川真衣子, 須永剛司, 須永剛司, 伊集院幸輝, 岩岡敦, 岡村綾華, 古立守, 加藤あずさ, 西村拓一

人工知能学会全国大会(Web), 35th, 2021
Constructing a “context” of usage of the tool that you are designing: connecting a new tool to an actual job

岡村綾華, 小早川真衣子, 須永剛司, 須永剛司, 古立守, 加藤あずさ, 岩岡敦, 伊集院幸輝, 西村拓一

日本デザイン学会研究発表大会概要集(CD-ROM), 68th, 2021
Design practice of resources that support the organization of new jobs embedded AI technology

Kobayakawa Maiko, Sunaga Takeshi, Ijuin Koki, Nishimura Takuichi

PROCEEDINGS OF THE ANNUAL CONFERENCE OF JSSD, 67 24-24, 2020
Transform "Knowledge" into "Blocs (objects)" that can be touched by hand

Okamura Ayaka, Kajitani Fumio, Sunaga Takeshi, Kobayakawa Maiko, Ijuin Koki, Nishimura Takuichi

PROCEEDINGS OF THE ANNUAL CONFERENCE OF JSSD, 67 218-218, 2020
A study of topics extraction from a workshop speech record by using clustering method based on unsupervised learning

瀧田美聡, 伊集院幸輝, 小早川真衣子, 西村拓一, 中村嘉志

情報処理学会研究報告(Web), 2020(HCI-186), 2020
Task Visualization and Job Organization by ′′Color′′: Based on Structured Knowledge

小早川真衣子, 伊集院幸輝, 須永剛司, 須永剛司, 西村拓一

人工知能学会全国大会(Web), 34th, 2020
眼球動作情報の有無における母語と第二言語会話での注視行動の比較

大野善彦, 伊集院幸輝, 加藤恒夫, 山本誠一

電子情報通信学会大会講演論文集(CD-ROM), 2019, 2019
Joining-in-type RALLシステムにおける視線動作と会話の理解度との関係についての分析

藤尾昇平, 伊集院幸輝, 加藤恒夫, 山本誠一

電子情報通信学会大会講演論文集(CD-ROM), 2019, 2019
話者による注視の発話ターン制御機能と発話の基盤化アクトについて

馬田一郎, 伊集院幸輝, 加藤恒夫, 山本誠一

日本認知科学会大会発表論文集(CD-ROM), 36th, 2019
Joining-in-type RALLシステムにおける視線動作の計測

藤尾昇平, 伊集院幸輝, 加藤恒夫, 山本誠一

電子情報通信学会大会講演論文集(CD-ROM), 2018, 2018
話者の注視が次発話者の選択に及ぼす継続的な効果に関する母語と第二言語会話での比較分析

山下昂人, 伊集院幸輝, 加藤恒夫, 山本誠一

電子情報通信学会大会講演論文集(CD-ROM), 2018, 2018
母語と第2言語会話における発話ターンと相互注視の関係

馬田一郎, 伊集院幸輝, 加藤恒夫, 山本誠一

日本認知科学会大会発表論文集(CD-ROM), 35th, 2018
Effects of Music Experience on Perception of Tempo Change and Correlation with Auditory Perception Ability

山下真由子, 伊集院幸輝, 加藤恒夫, 柳田益造, 山本誠一

音楽音響研究会資料, 36(4) 145-150, Oct 22, 2017
音楽経験が動的テンポ変化の認知に与える影響分析

山下真由子, 伊集院幸輝, 加藤恒夫, 柳田益造, 山本誠一

日本音響学会研究発表会講演論文集(CD-ROM), 2017, 2017
話者の注視が次発話者の選択に及ぼす影響に関する母語と第二言語会話での比較分析

山下昂人, 伊集院幸輝, 加藤恒夫, 山本誠一

情報科学技術フォーラム講演論文集, 16th, 2017
H-2-11 Difference of Eye Gaze Activities in Discourse Function between L1 and L2

Takeuchi Moe, Ishida Mitsuru, Ijuin Koki, Umata Ichiro, Kato Tsuneo, Yamamoto Seiichi

Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference, 2016 273-273, Mar 1, 2016
H-2-18 Difference of Eye Gaze Activities between Dialogue Structure of First and Second Languages

Horiuchi Yasuhiro, Ijuin Koki, Umata Ichiro, Kato Tsuneo, Yamamoto Seiichi

Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference, 2016 280-280, Mar 1, 2016
発話機能に関する母語と第二言語間の視線動作の相違分析

竹内萌, 石田充, 伊集院幸輝, 馬田一郎, 馬田一郎, 加藤恒夫, 山本誠一

電子情報通信学会大会講演論文集(CD-ROM), 2016, 2016
J-045 Eye Gaze Analyses of Different Interaction Structure between L1 and L2 Conversation

Ijuin Koki, Ishida Mitsuru, Horiuchi Yasuhiro, Umata Ichiro, Yamamoto Seiichi

情報科学技術フォーラム講演論文集, 14(3) 411-414, Aug 24, 2015
J-005 Analysis of Gaze in Second Language Conversation : from a Viewpoint of Linguistic Proficiency

Umata Ichiro, Tanizoe Tomoya, Ijuin Koki, Yamamoto Seiichi

情報科学技術フォーラム講演論文集, 14(3) 315-316, Aug 24, 2015
A-15-6 Listener's Eye Gaze Activities in Multi-party Conversations in Second Language

Ijuin Koki, Taguchi Keiko, Umata Ichiro, Yamamoto Seiichi

Proceedings of the IEICE General Conference, 2015 196-196, Feb 24, 2015
A-15-7 Difference of Eye Gaze Activities between First and Second Languages

Horiuchi Yasuhiro, Ijuin Koki, Taguchi Keiko, Yamamoto Seiichi

Proceedings of the IEICE General Conference, 2015 197-197, Feb 24, 2015
J-028 Comparative analysis of Eye Gaze Activities in L1 and L2 Conversations

Ijuin Koki, Taguchi Keiko, Yamamoto Seiichi, Umata Ichiro

情報科学技術フォーラム講演論文集, 13(3) 323-324, Aug 19, 2014
J-029 during Silence between the Native Language and the Second Language Conversations

Umata Ichiro, Taguchi Keiko, Ijuin Koki, Yamamoto Seiichi

情報科学技術フォーラム講演論文集, 13(3) 325-330, Aug 19, 2014
A-15-8 Multimodal Corpus of Multi-party Conversations in Second Languages

Taguchi Keiko, Ijuin Koki, Nomoto Satoko, Yamamoto Seiichi

Proceedings of the IEICE General Conference, 2014 179-179, Mar 4, 2014
A-15-9 Eye Gaze Activities in Multi-party Conversations in Second Languages

Ijuin Koki, Taguchi Keiko, Umata Ichiro, Yamamoto Seiichi

Proceedings of the IEICE General Conference, 2014 180-180, Mar 4, 2014

Professional Memberships

Apr, 2019 - Present

人工知能学会
Mar, 2014 - Present

電子情報通信学会

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