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48 results on '"Iwasaki, Masaya"'

1. Gaze-Aware Social Interaction Techniques for Human-Robot Collaborative Shopping

Author

Iwasaki, Masaya, Ogawa, Kosuke, Kawamura, Tatsuyuki, Nakanishi, Hideyuki, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Takada, Hideyuki, editor, Marutschke, D. Moritz, editor, Alvarez, Claudio, editor, Inoue, Tomoo, editor, Hayashi, Yugo, editor, and Hernandez-Leo, Davinia, editor

Published
2023
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5. Perceptive Recommendation Robot: Enhancing Receptivity of Product Suggestions Based on Customers' Nonverbal Cues.

Author

Iwasaki, Masaya, Yamazaki, Akiko, Yamazaki, Keiichi, Miyazaki, Yuji, Kawamura, Tatsuyuki, and Nakanishi, Hideyuki

Subjects
*CONSUMER behavior, *NONVERBAL cues, *PSEUDOPOTENTIAL method, *FIELD research, *SOCIAL robots
Abstract

Service robots that coexist with humans in everyday life have become more common, and they have provided customer service in physical shops around the world in recent years. However, their potential in effective sales strategies has not been fully realized due to their low social presence. This study aims to clarify what kind of robot behavior enhances the social presence of service robots and how it affects human–robot interaction and purchasing behavior. We conducted two experiments with a sales robot, Pepper, at a retail shop in Kyoto. In Experiment 1, we showed that the robot's social presence increased and that customers looked at the robot longer when the robot understood human gaze information and was capable of shared attention. In Experiment 2, we showed that the probability of customers picking up products increased when the robot suggested products based on the humans' degree of attention from gaze and posture information. These results indicate that the robot's ability to understand and make utterances about a customer's orientation and attention effectively enhances human–robot communication and purchasing motivation. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Tetraarylphosphonium salt-catalyzed formal [3+2] cycloaddition between epoxides and trichloroacetonitrile for the synthesis of β-amino alcohol derivatives.

Author

Toda, Yasunori, Shiokawa, Ryota, Iwasaki, Masaya, Yamaguchi, Daisuke, Kawamura, Keisuke, Sukegawa, Kimiya, and Suga, Hiroyuki

Subjects
EPOXY compounds, RING formation (Chemistry), ALCOHOL, HYDROLYSIS
Abstract

Efficient regioselective synthesis of β-amino alcohol derivatives, including enantioenriched ones, by a tetraarylphosphonium salt-catalyzed coupling reaction of epoxides with trichloroacetonitrile is described. Formal [3+2] cycloaddition, followed by hydrolysis, proceeded smoothly to afford N-protected β-amino alcohols in good yields. [ABSTRACT FROM AUTHOR]

Published
2022
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27. Decarbonylation through Aldehydic C–H Bond Cleavage by a Cationic Iridium Catalyst

Author

Shirai, Tomohiko, Sugimoto, Kazuki, Iwasaki, Masaya, Sumida, Ryuki, Fujita, Harunori, 1000030271646, Yamamoto, Yasunori, Shirai, Tomohiko, Sugimoto, Kazuki, Iwasaki, Masaya, Sumida, Ryuki, Fujita, Harunori, 1000030271646, and Yamamoto, Yasunori

Abstract

We report the decarbonylation of aldehydes through an aldehydic C–H bond cleavage catalyzed by a cationic iridium/bisphosphine catalyst. The reaction proceeds under relatively mild conditions to give the corresponding hydrocarbon products in moderate to high yields. In addition, this cationic iridium catalyst system can be applied to an asymmetric hydroacylation of ketones.

Published
2019

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