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1,123 results on '"HAYASHI, Yuki"'

17. Final Analysis of COVID-19 Patients With Inflammatory Bowel Disease in Japan (J-COSMOS): A Multicenter Registry Cohort Study

Author

Sasaki, Makoto, Iizuka, Masahiro, Fujiya, Mikihiro, Matsumoto, Takayuki, Kinjo, Fukunori, Nakamura, Shiro, Kamata, Noriko, Iijima, Hideki, Etani, Yuri, Ueno, Fumiaki, Hiraoka, Sakiko, Kondo, Takeo, Kagaya, Takashi, Naganuma, Makoto, Kobayashi, Kiyonori, Kobayashi, Taku, Yamamoto, Shuji, Naito, Yuji, Hisamatsu, Tadakazu, Furuta, Yoki, Mitsuyama, Keichi, Hashimoto, Yu, Arai, Katsuhiro, Kato, Shingo, Iwama, Itaru, Esaki, Motohiro, Tanaka, Hiroki, Nakase, Hiroshi, Motoya, Satoshi, Maemoto, Atsuo, Ashida, Toshifumi, Nishimata, Nobuaki, Aono, Shigeaki, Andoh, Akira, Yamamoto, Hironori, Ishihara, Shunji, Shimizu, Toshiaki, Yasuharu, Maeda, Kinoshita, Kenji, Fukuda, Katuyuki, Kato, Jun, Takeuchi, Ken, Nagahori, Masakazu, Fukuzawa, Masakatsu, Saruta, Masayuki, Suzuki, Takayoshi, Itabashi, Michio, Shinozaki, Masaru, Ishihara, Soichiro, Yoshimura, Naoki, Matsuoka, Katsuyoshi, Kakuta, Yoichi, Takahashi, Kenichi, Tominaga, Keiichi, Sakemi, Ryosuke, Nanjo, Sohachi, Yoshikawa, Shusaku, Ozeki, Keiji, Fuchigami, Ayako, Katsurada, Takehiko, Watanabe, Kenji, Sakuraba, Hirotake, Hirai, Fumihito, Hisabe, Takashi, Iwase, Shigeru, Ohmiya, Naoki, Hokari, Ryota, Nakai, Katsuhiko, Ueda, Takeshi, Abukawa, Daiki, Yamamoto, Shojiro, Koganei, Kazutaka, Kunisaki, Reiko, Hokama, Akira, Hayashi, Yuki, Yokoyama, Yoshihiro, and Matsuura, Minoru

Published
2023
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20. Toward Personalized Scaffolding and Fading of Motivational Support in L2 Learner-Dialogue Agent Interactions: An Exploratory Study

Author

Ayedoun, Emmanuel, Hayashi, Yuki, and Seta, Kazuhisa

Abstract

This article proposes a computer-based approach to effectively enhance second language learners' willingness to communicate in the target language. To do so, we implemented a conversational agent embedding a dialogue management model based on two conversational strategies (i.e., communication strategies and affective backchannels), serving as scaffolds for enhancing learners' willingness to communicate in the target language. Here, we report on differences observed among second language learners' preferences for both conversational strategies according to their initial level of willingness to communicate and on variations of their willingness with respect to such differences. Although we found that most students generally preferred a combination of both strategies, learners' preferences and the effects of the support provided by these strategies varied according to their level of willingness to communicate. Learners with lower willingness to communicate tended to prefer affective backchannels, whereas those with higher willingness to communicate seemed to favor communication strategies. These results were consistent with post-test results, which showed that learners' expected willingness to communicate tended to be higher after interacting with systems embedding their preferred strategies. In sum, these results are preliminary evidence of the meaningfulness of accounting for such learners' preferences in adaptively using and fading the strategies employed by conversational agents to motivate second language learners to communicate in the target language.

Published
2020
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26. Multimodal Interaction-Aware Integrated Platform for CSCL

Author

Sugimoto, Aoi, Hayashi, Yuki, Seta, Kazuhisa, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Yamamoto, Sakae, editor, and Mori, Hirohiko, editor

Published
2020
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27. Services Task Model Based Dialogue Scenarios Design Towards L2 WTC Support Oriented Dialogues Authoring Tool

Author

Ayedoun, Emmanuel, Hayashi, Yuki, Seta, Kazuhisa, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Yamamoto, Sakae, editor, and Mori, Hirohiko, editor

Published
2020
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28. Learning Support for Historical Interpretation Using Semantically Enhanced Historical Cartoons

Author

Muroya, Daiki, Seta, Kazuhisa, Hayashi, Yuki, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Yamamoto, Sakae, editor, and Mori, Hirohiko, editor

Published
2020
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30. Utility of Magnetic Resonance Spectroscopy for the Progression of Neurological Symptoms in Lenticulostriate Artery Territory Infarction

Author

Shiga, Yuji, Nezu, Tomohisa, Nakamori, Masahiro, Hosomi, Naohisa, Akiyama, Yuji, Tachiyama, Keisuke, Kamimura, Teppei, Kinoshita, Naoto, Hayashi, Yuki, Matsushima, Hayato, Imamura, Eiji, Aoki, Shiro, Ueno, Hiroki, Ohshita, Tomohiko, Wakabayashi, Shinichi, Yamasaki, Fumiyuki, Awai, Kazuo, and Maruyama, Hirofumi

Published
2021
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31. Adding Communicative and Affective Strategies to an Embodied Conversational Agent to Enhance Second Language Learners' Willingness to Communicate

Author

Ayedoun, Emmanuel, Hayashi, Yuki, and Seta, Kazuhisa

Abstract

This paper describes an embodied conversational agent enhanced with specific conversational strategies aiming to foster learners' readiness towards communication in a second language (L2). Willingness to communicate (WTC) in a second language is believed to have a direct and sustained influence on learners' actual usage frequency of the target language. To help overcome the lack of suitable environments for increasing L2 learners' WTC, our approach is to build embodied conversational agents that can help learners surmount their apprehension towards communication in L2. Here, we focus on the dialogue management aspects of our approach and propose a model based on a set of communication strategies (CS) and affective backchannels (AB) to foster such agents' ability to carry on natural and WTC-friendly conversations with learners. We examined learners' expected WTC after interacting with one of the following versions of the system: an agent featuring both CS and AB; an agent featuring only CS; and an agent featuring only AB. The results suggested that combining CS and AB empowers the conversational agent and leads to higher expected WTC among L2 learners. We also found that even the AB-only version of the system had the potential to enhance WTC to some extent. These findings are evidence of the feasibility of enhancing L2 learners' engagement towards communication using a computer-based environment coupled with appropriate conversational strategies.

Published
2019
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33. L2 Learners’ Preferences of Dialogue Agents: A Key to Achieve Adaptive Motivational Support?

Author

Ayedoun, Emmanuel, Hayashi, Yuki, Seta, Kazuhisa, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Isotani, Seiji, editor, Millán, Eva, editor, Ogan, Amy, editor, Hastings, Peter, editor, McLaren, Bruce, editor, and Luckin, Rose, editor

Published
2019
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38. New Silica Removal Technique by Vacuum Heating toward High-Performance Cryosorption Pumps Based on Biomass-Based Activated Carbon

Author

YANAGIHARA, Yuto, primary, MURASE, Takanori, additional, NOTO, Hiroyuki, additional, OGAWA, Kunihiro, additional, SHIMIZU, Akihiro, additional, ISOBE, Mitsutaka, additional, NAGAHARA, Kazuki, additional, TANOUE, Hiroyuki, additional, NAKAGAWA, Sho, additional, HAYASHI, Yuki, additional, PHAM, Ngat T. H., additional, SHIOZAKI, Tomohiro, additional, SOGABE, Toshiaki, additional, and NISOA, Mudtorlep, additional

Published
2024
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49. Cytokine Profile in Predicting the Effectiveness of Advanced Therapy for Ulcerative Colitis: A Narrative Review.

Author

Kurumi, Hiroki, Yokoyama, Yoshihiro, Hirano, Takehiro, Akita, Kotaro, Hayashi, Yuki, Kazama, Tomoe, Isomoto, Hajime, and Nakase, Hiroshi

Subjects
ULCERATIVE colitis, CYTOKINES, INFLAMMATORY bowel diseases
Abstract

Cytokine-targeted therapies have shown efficacy in treating patients with ulcerative colitis (UC), but responses to these advanced therapies can vary. This variability may be due to differences in cytokine profiles among patients with UC. While the etiology of UC is not fully understood, abnormalities of the cytokine profiles are deeply involved in its pathophysiology. Therefore, an approach focused on the cytokine profile of individual patients with UC is ideal. Recent studies have demonstrated that molecular analysis of cytokine profiles in UC can predict response to each advanced therapy. This narrative review summarizes the molecules involved in the efficacy of various advanced therapies for UC. Understanding these associations may be helpful in selecting optimal therapeutic agents. [ABSTRACT FROM AUTHOR]

Published
2024
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