Yu Maemura, Masahide Horita, Liping Fang, Pascale Zaraté: Group Decision and Negotiation in the Era of Multimodal Interactions - 23rd International Conference on Group Decision and Negotiation, GDN 2023, Tokyo, Japan, June 11-15, 2023, Proceedings. Lecture Notes in Business Information Processing 478, Springer 2023, ISBN 978-3-031-33779-6