Movement Conceptualizations in Graphical Communication. - Ichiro Umata; Yasuhiro Katagiri; Atsushi Shimojima (Diagrams, 2002)

Graphical representation in graphical dialogue. - Patrick G. T. Healey; Nik Swoboda; Ichiro Umata; Yasuhiro Katagiri (Int. J. Hum. Comput. Stud., 2002)

Using Graphics to Communicate Across Cultures. - Nicolas Fay; Nik Swoboda; Takugo Fukaya; Ichiro Umata; Yasuhiro Katagiri (Diagrams, 2004)

Speech and Graphical Interaction in Multimodal Communication. - Ichiro Umata; Atsushi Shimojima; Yasuhiro Katagiri (Diagrams, 2004)

Toward Adaptive Interaction - The Effect of Ambient Sounds in an Ultra-Realistic Communication System. - Noriko Suzuki; Ichiro Umata; Tatsuya Kitamura; Hiroshi Ando; Naomi Inoue (HCI (9), 2007)

Graphical Language Games: Interactional Constraints on Representational Form. - Patrick G. T. Healey; Nik Swoboda; Ichiro Umata; James King 002 (Cogn. Sci., 2007)

Psychological Study for Designing Privacy Protected Video Surveillance System: PriSurv. - Noboru Babaguchi; Takashi Koshimizu; Ichiro Umata; Tomoji Toriyama (Protecting Privacy in Video Surveillance, 2009)

Do 3D images help social interaction?: A study in remote music education. - Ichiro Umata; Chika Oshima; Sadanori Ito; Shoichiro Iwasawa; Hidenori Nakamura; Akira Endo; Yoh Nakayama; Hiroshi Ando (IUCS, 2010)

Training support system for violin bowing. - Yuuki Tanjo; Junichi Ogawa; Sadanori Ito; Ryuuki Sakamoto; Ichiro Umata; Hiroshi Ando (AH, 2011)

What role do you play in group activity? Objective evaluation through third parties. - Noriko Suzuki; Tosirou Kamiya; Ichiro Umata; Sadanori Ito; Shoichiro Iwasawa; Mamiko Sakata; Katsunori Shimohara (CogSci, 2012)

Analyzing the structure of the emergent division of labor in multiparty collaboration. - Noriko Suzuki; Tosirou Kamiya; Ichiro Umata; Sadanori Ito; Shoichiro Iwasawa (CSCW, 2012)

Differences in Interactional Attitudes in Second Language Conversations: From the Perspective of Expertise. - Ichiro Umata; Seiichi Yamamoto; Kosuke Kabashima; Masafumi Nishida (CogSci, 2013)

Differences in Interactional Attitudes in Native and Second Languag Conversations: Quantitative Analyses of Multimodal Three-Party Corpus. - Seiichi Yamamoto; Keiko Taguchi; Ichiro Umata; Kosuke Kabashima; Masafumi Nishida (CogSci, 2013)

Detection of Division of Labor in Multiparty Collaboration. - Noriko Suzuki; Tosirou Kamiya; Ichiro Umata; Sadanori Ito; Shoichiro Iwasawa; Mamiko Sakata; Katsunori Shimohara (HCI (15), 2013)

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, 2013)

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@ICMI, 2014)

Multimodal Japanese corpus of multi-party conversation on two different topic types. - Keiko Taguchi; Seiichi Yamamoto; Koki Ijuin; Ichiro Umata (O-COCOSDA, 2014)

Quantitative analyses of Gaze Activity during Silence: Comparison between Native-Language and Second-Language Conversation. - Ichiro Umata; Tomoya Tanizoe; Koki Ijuin; Seiichi Yamamoto (EAPCogSci, 2015)

Eye Gaze Analyses in L1 and L2 Conversations: Difference in Interaction Structures. - Koki Ijuin; Yasuhiro Horiuchi; Ichiro Umata; Seiichi Yamamoto (TSD, 2015)

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, 2015)

Quantitative Analysis of Gazes and Grounding Acts in L1 and L2 Conversations. - Ichiro Umata; Koki Ijuin; Mitsuru Ishida; Moe Takeuchi; Seiichi Yamamoto (LREC, 2016)

Effects of the mode of tempo change on perception of tempo change. - Masuzo Yanagida; Seiichi Yamamoto; Ichiro Umata (Proc. Meet. Acoust., 2016)

Gaze during utterances and silence in L1 and L2 Conversations. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (CogSci, 2017)

Floor Apportionment and Mutual Gazes in Native and Second-Language Conversation. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (ICMI, 2018)

Universal Principles of Human Communication: Preliminary Evidence From a Cross-cultural Communication Game. - Nicolas Fay; Bradley Walker; Nik Swoboda; Ichiro Umata; Takugo Fukaya; Yasuhiro Katagiri; Simon Garrod (Cogn. Sci., 2018)

Gaze from and Toward the Silent Third Participant in a Triadic Conversation. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (HCI (14), 2019)

Floor Apportionment Function of Speaker's Gaze in Grounding Acts. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (ICMI (Adjunct), 2019)

Quantitative Analyses of Gaze Duration from the viewpoints of Grounding Acts, Conversation Topic, and Linguistic Proficiency. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (CogSci, 2020)

Effects of Linguistic Proficiency and Conversation Topic on Listener's Gaze in Triadic Conversation. - Ichiro Umata; Koki Ijuin; Tsuneo Kato; Seiichi Yamamoto (HCI (14), 2020)

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 (HCI (13), 2021)

Supporting Hybrid Interaction: A Design Approach for Mitigating the "Barrier" Encountered by Remote Participants in Hybrid Working Environments. - Ichiro Umata; Takumi Ishikawa; Sumaru Niida; Tsuneo Kato (HCI (22), 2024)