Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology

Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor 2025-05 Association for Computational Linguistics Bilbao, Spain text conference publication 979-8-89176-248-0 iwsds-ws-2025-1 https://aclanthology.org/2025.iwsds-1.0/ Automatic Generation of Structured Domain Knowledge for Dialogue-based XAI Systems Carolin Schindler author Isabel Feustel author Niklas Rach author Wolfgang Minker author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 schindler-etal-2025-automatic https://aclanthology.org/2025.iwsds-1.1/ 2025-05 1 11 Exploring the Impact of Modalities on Building Common Ground Using the Collaborative Scene Reconstruction Task Yosuke Ujigawa author Asuka Shiotani author Masato Takizawa author Eisuke Midorikawa author Ryuichiro Higashinaka author Kazunori Takashio author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 ujigawa-etal-2025-exploring https://aclanthology.org/2025.iwsds-1.2/ 2025-05 12 19 Design, Generation and Evaluation of a Synthetic Dialogue Dataset for Contextually Aware Chatbots in Art Museums Inass Rachidi author Anas Ezzakri author Jaime Bellver-Soler author Luis Fernando D’Haro author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 rachidi-etal-2025-design https://aclanthology.org/2025.iwsds-1.3/ 2025-05 20 28 A Voice-Controlled Dialogue System for NPC Interaction using Large Language Models Milan Wevelsiep author Nicholas Thomas Walker author Nicolas Wagner author Stefan Ultes author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 wevelsiep-etal-2025-voice https://aclanthology.org/2025.iwsds-1.4/ 2025-05 29 38 A Dialogue System for Semi-Structured Interviews by LLMs and its Evaluation on Persona Information Collection Ryo Hasegawa author Yijie Hua author Takehito Utsuro author Ekai Hashimoto author Mikio Nakano author Shun Shiramatsu author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 hasegawa-etal-2025-dialogue https://aclanthology.org/2025.iwsds-1.5/ 2025-05 39 59 Exploring Personality-Aware Interactions in Salesperson Dialogue Agents Sijia Cheng author Wen Yu Chang author Yun-Nung Chen author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 cheng-etal-2025-exploring https://aclanthology.org/2025.iwsds-1.6/ 2025-05 60 71 ReSpAct: Harmonizing Reasoning, Speaking, and Acting Towards Building Large Language Model-Based Conversational AI Agents Vardhan Dongre author Xiaocheng Yang author Emre Can Acikgoz author Suvodip Dey author Gokhan Tur author Dilek Hakkani-Tur author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 dongre-etal-2025-respact https://aclanthology.org/2025.iwsds-1.7/ 2025-05 72 102 Examining Older Adults’ Motivation for Interacting with Health-Monitoring Conversational Systems Through Field Trials Mariko Yoshida author Ryo Hori author Yuki Zenimoto author Mayu Urata author Mamoru Endo author Takami Yasuda author Aiko Inoue author Takahiro Hayashi author Ryuichiro Higashinaka author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 yoshida-etal-2025-examining https://aclanthology.org/2025.iwsds-1.8/ 2025-05 103 114 Balancing Knowledge Delivery and Emotional Comfort in Healthcare Conversational Systems Shang-Chi Tsai author Yun-Nung Chen author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 tsai-chen-2025-balancing https://aclanthology.org/2025.iwsds-1.9/ 2025-05 115 128 Context or Retrieval? Evaluating RAG Methods for Art and Museum QA System Samuel Ramos-Varela author Jaime Bellver-Soler author Marcos Estecha-Garitagoitia author Luis Fernando D’Haro author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 ramos-varela-etal-2025-context https://aclanthology.org/2025.iwsds-1.10/ 2025-05 129 136 Paralinguistic Attitude Recognition for Spoken Dialogue Systems Kouki Miyazawa author Zhi Zhu author Yoshinao Sato author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 miyazawa-etal-2025-paralinguistic https://aclanthology.org/2025.iwsds-1.11/ 2025-05 137 142 Exploring ReAct Prompting for Task-Oriented Dialogue: Insights and Shortcomings Michelle Elizabeth author Morgan Veyret author Miguel Couceiro author Ondrej Dusek author Lina M Rojas Barahona author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 elizabeth-etal-2025-exploring https://aclanthology.org/2025.iwsds-1.12/ 2025-05 143 153 Design of a conversational agent to support people on suicide risk Mario Manso Vázquez author José Manuel Ramírez Sánchez author Carmen García-Mateo author Laura Docío-Fernández author Manuel José Fernández-Iglesias author Beatriz Gómez-Gómez author Beatriz Pinal author Antia Brañas author Alejandro García-Caballero author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 manso-vazquez-etal-2025-design https://aclanthology.org/2025.iwsds-1.13/ 2025-05 154 159 Optimizing RAG: Classifying Queries for Dynamic Processing Kabir Olawore author Michael McTear author Yaxin Bi author David Griol author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 olawore-etal-2025-optimizing https://aclanthology.org/2025.iwsds-1.14/ 2025-05 160 164 Enhancing Proactive Dialogue Systems Through Self-Learning of Reasoning and Action-Planning Ryosuke Ito author Tetsuya Takiguchi author Yasuo Ariki author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 ito-etal-2025-enhancing https://aclanthology.org/2025.iwsds-1.15/ 2025-05 165 171 TrustBoost: Balancing flexibility and compliance in conversational AI systems David Griol author Zoraida Callejas author Manuel Gil-Martín author Ksenia Kharitonova author Juan Manuel Montero-Martínez author David Pérez Fernández author Fernando Fernández-Martínez author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 griol-etal-2025-trustboost https://aclanthology.org/2025.iwsds-1.16/ 2025-05 172 175 ScriptBoard: Designing modern spoken dialogue systems through visual programming Divesh Lala author Mikey Elmers author Koji Inoue author Zi Haur Pang author Keiko Ochi author Tatsuya Kawahara author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 lala-etal-2025-scriptboard https://aclanthology.org/2025.iwsds-1.17/ 2025-05 176 182 D4AC: A Tool for Developing Multimodal Dialogue Systems without Coding Mikio Nakano author Ryuichiro Higashinaka author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 nakano-higashinaka-2025-d4ac https://aclanthology.org/2025.iwsds-1.18/ 2025-05 183 189 A Multilingual Speech-Based Driver Assistant for Basque and English Antonio Aparicio Akcharov author Asier López Zorrilla author Juan Camilo Vásquez Correa author Oscar Montserrat author José Maria Echevarría author Begoña Arrate author Joxean Zapirain author Mikel deVelasco Vázquez author Santiago Andrés Moreno-Acevedo author Ander González-Docasal author Maria Ines Torres author Aitor Álvarez author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 aparicio-akcharov-etal-2025-multilingual https://aclanthology.org/2025.iwsds-1.19/ 2025-05 190 195 Intimebot – A Dialogue Agent for Timekeeping Support Shoaib Khan author Alex Samani author Rafael Banchs author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 khan-etal-2025-intimebot https://aclanthology.org/2025.iwsds-1.20/ 2025-05 196 199 A Chatbot for Providing Suicide Prevention Information in Spanish Pablo Ascorbe author María S Campos author César Domínguez author Jónathan Heras author Magdalena Pérez author Ana Rosa Terroba-Reinares author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 ascorbe-etal-2025-chatbot https://aclanthology.org/2025.iwsds-1.21/ 2025-05 200 204 LAMIA: An LLM Approach for Task-Oriented Dialogue Systems in Industry 5.0 Cristina Fernandez author Izaskun Fernandez author Cristina Aceta author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 fernandez-etal-2025-lamia https://aclanthology.org/2025.iwsds-1.22/ 2025-05 205 214 Conversational Tutoring in VR Training: The Role of Game Context and State Variables Maia Aguirre author Ariane Méndez author Aitor García-Pablos author Montse Cuadros author Arantza del Pozo author Oier Lopez de Lacalle author Ander Salaberria author Jeremy Barnes author Pablo Martínez author Muhammad Zeshan Afzal author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 aguirre-etal-2025-conversational https://aclanthology.org/2025.iwsds-1.23/ 2025-05 215 224 A Methodology for Identifying Evaluation Items for Practical Dialogue Systems Based on Business-Dialogue System Alignment Models Mikio Nakano author Hironori Takeuchi author Kazunori Komatani author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 nakano-etal-2025-methodology https://aclanthology.org/2025.iwsds-1.24/ 2025-05 225 237 Speech-Controlled Smart Speaker for Accurate, Real-Time Health and Care Record Management Jonathan E Carrick author Nina Dethlefs author Lisa Greaves author Venkata M V Gunturi author Rameez Raja Kureshi author Yongqiang Cheng author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 carrick-etal-2025-speech https://aclanthology.org/2025.iwsds-1.25/ 2025-05 238 244 Analysis of Voice Activity Detection Errors in API-based Streaming ASR for Human-Robot Dialogue Kenta Yamamoto author Ryu Takeda author Kazunori Komatani author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 yamamoto-etal-2025-analysis https://aclanthology.org/2025.iwsds-1.26/ 2025-05 245 253 A Survey of Recent Advances on Turn-taking Modeling in Spoken Dialogue Systems Galo Castillo-López author Gael de Chalendar author Nasredine Semmar author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 castillo-lopez-etal-2025-survey https://aclanthology.org/2025.iwsds-1.27/ 2025-05 254 271 Integrating Respiration into Voice Activity Projection for Enhancing Turn-taking Performance Takao Obi author Kotaro Funakoshi author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 obi-funakoshi-2025-integrating https://aclanthology.org/2025.iwsds-1.28/ 2025-05 272 276 DSLCMM: A Multimodal Human-Machine Dialogue Corpus Built through Competitions Ryuichiro Higashinaka author Tetsuro Takahashi author Shinya Iizuka author Sota Horiuchi author Michimasa Inaba author Zhiyang Qi author Yuta Sasaki author Kotaro Funakoshi author Shoji Moriya author Shiki Sato author Takashi Minato author Kurima Sakai author Tomo Funayama author Masato Komuro author Hiroyuki Nishikawa author Ryosaku Makino author Hirofumi Kikuchi author Mayumi Usami author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 higashinaka-etal-2025-dslcmm https://aclanthology.org/2025.iwsds-1.29/ 2025-05 277 283 Cutting Through Overload: Efficient Token Dropping for Speech Emotion Recognition in Multimodal Large Language Models Jaime Bellver-Soler author Mario Rodríguez-Cantelar author Ricardo Córdoba author Luis Fernando D’Haro author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 bellver-soler-etal-2025-cutting https://aclanthology.org/2025.iwsds-1.30/ 2025-05 284 289 Integrating Conversational Entities and Dialogue Histories with Knowledge Graphs and Generative AI Graham Wilcock author Kristiina Jokinen author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 wilcock-jokinen-2025-integrating https://aclanthology.org/2025.iwsds-1.31/ 2025-05 290 298 Enabling Trait-based Personality Simulation in Conversational LLM Agents: Case Study of Customer Assistance in French Ahmed Njifenjou author Virgile Sucal author Bassam Jabaian author Fabrice Lefèvre author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 njifenjou-etal-2025-enabling https://aclanthology.org/2025.iwsds-1.32/ 2025-05 299 308 Developing Classifiers for Affirmative and Negative User Responses with Limited Target Domain Data for Dialogue System Development Tools Yunosuke Kubo author Ryo Yanagimoto author Mikio Nakano author Kenta Yamamoto author Ryu Takeda author Kazunori Komatani author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 kubo-etal-2025-developing https://aclanthology.org/2025.iwsds-1.33/ 2025-05 309 317 Why Do We Laugh? Annotation and Taxonomy Generation for Laughable Contexts in Spontaneous Text Conversation Koji Inoue author Mikey Elmers author Divesh Lala author Tatsuya Kawahara author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 inoue-etal-2025-laugh https://aclanthology.org/2025.iwsds-1.34/ 2025-05 318 323 Adaptive Psychological Distance in Japanese Spoken Human-Agent Dialogue: A Politeness-Based Management Model Akira Inaba author Emmanuel Ayedoun author Masataka Tokumaru author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 inaba-etal-2025-adaptive https://aclanthology.org/2025.iwsds-1.35/ 2025-05 324 329 An LLM Benchmark for Addressee Recognition in Multi-modal Multi-party Dialogue Koji Inoue author Divesh Lala author Mikey Elmers author Keiko Ochi author Tatsuya Kawahara author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 inoue-etal-2025-llm https://aclanthology.org/2025.iwsds-1.36/ 2025-05 330 334 Will AI shape the way we speak? The emerging sociolinguistic influence of synthetic voices Eva Szekely author Jura Miniota author Míša (Michaela) Hejná author 2025-05 text Proceedings of the 15th International Workshop on Spoken Dialogue Systems Technology Maria Ines Torres editor Yuki Matsuda editor Zoraida Callejas editor Arantza del Pozo editor Luis Fernando D’Haro editor Association for Computational Linguistics Bilbao, Spain conference publication 979-8-89176-248-0 szekely-etal-2025-will https://aclanthology.org/2025.iwsds-1.37/ 2025-05 335 340