Yutaka Ishii

35 papers A 1B 9C 1Journal 3Unranked 21
YearRankTypeTitle / Venue / Authors
2026 J jnl
Automatic Feedback Generation for Japanese Reading Comprehension Short-Answer Questions Using Discourse-Structure-based Answer Diagnostic Graphs.
J. Nat. Lang. Process.
Momoka Furuhashi, Hiroaki Funayama, Yuichiroh Matsubayashi, Machi Shimmei, Yoriko Isobe, Yutaka Ishii, Kentaro Inui
2025 B conf
Disappearing to Facilitate: Designing a Temporarily Absent Agent in Group Discussion.
HAI
Manato Ueda, Yutaka Ishii, Toshio Mochizuki, Hironori Egi
2025 — conf
Evaluation of a Speech-Driven Communication Support System Using a Smartwatch with Vibratory Nodding Responses in First-Time Interview Conversations.
HCI (10)
Yutaka Ishii, Jun Nakano, Miwako Kitamura, Tomio Watanabe
2024 — conf
Agent "Nah": Development of a Voice-Driven Embodied Entrainment Character with Non-agreeable Responses.
HCI (6)
Yutaka Ishii, Masaki Matsuno, Tomio Watanabe
2023 — conf
Development of a Speech-Driven Communication Support System Using a Smartwatch with Vibratory Nodding Responses.
HCI (5)
Yutaka Ishii, Kenta Koike, Miwako Kitamura, Tomio Watanabe
2023 C conf
Discussion Support Agent System to Promote Equalization of Speech among Participants.
ICCE
Ryunosuke Nishimura, Risa Iharada, Yuya Sugamoto, Yutaka Ishii, Toshio Mochizuki, Hironori Egi
2022 — conf
Development of a Web-Based Interview Support System Using Characters Nodding with Various Movements.
HCI (44)
Yutaka Ishii, Satoshi Kurokawa, Miwako Kitamura, Tomio Watanabe
2021 — conf
Avatar Twin Using Shadow Avatar in Avatar-Mediated Communication.
HCI (4)
Yutaka Ishii, Satoshi Kurokawa, Tomio Watanabe
2021 — conf
Comparison Experiment of Learning State Between Visual Programming Language and Text Programming Language.
TALE
Katsuyuki Umezawa, Yutaka Ishii, Makoto Nakazawa, Michiko Nakano, Manabu Kobayashi, Shigeichi Hirasawa
2021 — conf
Evaluation of Difficulty During Visual Programming Learning Using a Simple Electroencephalograph and Minecraft Educational Edition.
WorldCIST (3)
Katsuyuki Umezawa, Makoto Nakazawa, Manabu Kobayashi, Yutaka Ishii, Michiko Nakano, Shigeichi Hirasawa
2020 — conf
Analysis of Logic Errors Utilizing a Large Amount of File History During Programming Learning.
TALE
Katsuyuki Umezawa, Makoto Nakazawa, Manabu Kobayashi, Yutaka Ishii, Michiko Nakano, Shigeichi Hirasawa
2020 — conf
Detection of Careless Mistakes during Programming Learning using a Simple Electroencephalograph.
ICCSE
Katsuyuki Umezawa, Makoto Nakazawa, Manabu Kobayashi, Yutaka Ishii, Michiko Nakano, Shigeichi Hirasawa
2020 — conf
Face-to-Face Holographic Agent Used as Catalyst for Learning and Employing Co-regulation in Collaborative Discussion.
ICLS
Toshio Mochizuki, Naruaki Ishikawa, Hironori Egi, Ayane Hisatomi, Yutaka Ishii, Natsumi Yuki, Yoshihiko Kubota, Hiroshi Kato
2019 B conf
A Speech Promotion System by Using Embodied Entrainment Objects of Spoken Words and a Listener Character for Joint Attention.
HAI
Masakatsu Kubota, Tomio Watanabe, Yutaka Ishii
2019 B conf
Development of a Prototype of Face-to-Face Conversational Holographic Agent for Encouraging Co-regulation of Learning.
HAI
Ayane Hisatomi, Yutaka Ishii, Toshio Mochizuki, Hironori Egi, Yoshihiko Kubota, Hiroshi Kato
2019 — conf
Development of an Embodied Group Entrainmacent Response System to Express Interaction-Activated Communication.
HCI (3)
Yutaka Ishii, Tomio Watanabe
2019 — conf
Polyvision: 4D Space Manipulation through Multiple Projections.
SIGGRAPH ASIA Emerging Technologies
Keigo Matsumoto, Nami Ogawa, Hiroyuki Inou, Shizuo Kaji, Yutaka Ishii, Michitaka Hirose
2018 J jnl
Boundary of the Horseshoe Locus for the Hénon Family.
SIAM J. Appl. Dyn. Syst.
Zin Arai, Yutaka Ishii, Hiroki Takahasi
2016 B conf
Development of an Embodied Avatar System using Avatar-Shadow's Color Expressions with an Interaction-activated Communication Model.
HAI
Yutaka Ishii, Tomio Watanabe, Yoshihiro Sejima
2015 — conf
A nursing communication education support system with the function of reflection.
SII
Mayo Yamamoto, Noriko Takabayashi, Tomio Watanabe, Yutaka Ishii
2014 B conf
Evaluation of a video communication system with speech-driven embodied entrainment audience characters with partner's face.
HAI
Yutaka Ishii, Tomio Watanabe
2013 B conf
A superimposed self-character mediated video chat system with the function of face-to-face projection based on talker's face direction.
RO-MAN
Yutaka Ishii, Shiho Nakayama, Tomio Watanabe
2013 — conf
Evaluation of Superimposed Self-character Based on the Detection of Talkers' Face Angles in Video Communication.
HCI (13)
Yutaka Ishii, Tomio Watanabe
2013 — conf
Video communication system with speech-driven embodied entrainment audience characters with partner's face.
SII
Shiho Nakayama, Tomio Watanabe, Yutaka Ishii
2012 B conf
E-VChat: A video communication system in which a speech-driven embodied entrainment character working with head motion is superimposed for a virtual face-to-face scene.
RO-MAN
Yutaka Ishii, Tomio Watanabe
2011 — conf
A Virtual Audience System for Enhancing Embodied Interaction Based on Conversational Activity.
HCI (12)
Yoshihiro Sejima, Yutaka Ishii, Tomio Watanabe
2011 — conf
Embodied Communication Support Using a Presence Sharing System under Teleworking.
HCI (23)
Yutaka Ishii, Tomio Watanabe
2010 — conf
Effects of delayed presentation of self-embodied avatar motion with network delay.
IUCS
Yutaka Ishii, Yoshihiro Sejima, Tomio Watanabe
2010 A conf
Instructional Video Content Employing User Behavior Analysis: Time Dependent Annotation with Levels of Detail.
UMAP
Junzo Kamahara, Takashi Nagamatsu, Masashi Tada, Yohei Kaieda, Yutaka Ishii
2009 — conf
Development of a Virtual Presence Sharing System Using a Telework Chair.
FIRA
Yutaka Ishii, Tomio Watanabe
2009 — conf
Ghatcha: GHost Avatar on a Telework CHAir.
HCI (12)
Yutaka Ishii, Kouzi Osaki, Tomio Watanabe
2009 — conf
Method for Identifying Task Hardships by Analyzing Operational Logs of Instruction Videos.
SAMT
Junzo Kamahara, Takashi Nagamatsu, Yuki Fukuhara, Yohei Kaieda, Yutaka Ishii
2008 B conf
Evaluation of embodied avatar manipulation based on talker's hand motion by using 3D trackball.
RO-MAN
Yutaka Ishii, Kouzi Osaki, Tomio Watanabe, Yoshijiro Ban
2007 B conf
An Embodied Avatar Mediated Communication System with VirtualActor for Human Interaction Analysis.
RO-MAN
Yutaka Ishii, Tomio Watanabe
2004 J jnl
Visualization of Respiration in the Embodied Virtual Communication System and Its Evaluation.
Int. J. Hum. Comput. Interact.
Tomio Watanabe, Masamichi Ogikubo, Yutaka Ishii