Journal Papers

Y.Fu, K.Inoue, D.Lala, K.Yamamoto, C.Chu, and T.Kawahara (2023). "Dual variational generative model and auxiliary retrieval for empathetic response generation by conversational robot.", Advanced Robotics, Vol.37, No.21, pp. 1406--1418.

K.Ochi, K.Inoue, D.Lala, T.Kawahara, and H.Kumazaki (2023). "Effect of attentive listening robot on pleasure and arousal change in psychiatric daycare". Advanced Robotics, Vol.37, No.21, pp.1382--1391.

K. Inoue, D. Lala and T. Kawahara (2022). "Can a robot laugh with you?: Shared laughter generation for empathetic spoken dialogue", Frontiers in Robotics and AI, Volume 9.

T. Kawahara, N. Muramatsu, K. Yamamoto, D. Lala and K. Inoue. (2021). "Semi-autonomous avatar enabling unconstrained parallel conversations --seamless hybrid of WOZ and autonomous dialogue systems", Advanced Robotics, 35(11). pp. 657-663.

K. Inoue, D. Lala, T. Takanashi and T. Kawahara (2018). "Engagement recognition by a latent character model based on multimodal listener behaviors in spoken dialogue", APSIPA Transactions on Signal and Information Processing, 7(E9).

D. Lala and T. Nishida (2015). "A data-driven passing interaction model for embodied basketball agents", Journal of Intelligent Information Systems, 48(1), pp. 27-60.

T. Nishida, A. Nakazawa, Y. Ohmoto, C. Nitschke, Y. Mohammad, S. Thovuttikul, D. Lala, M. Abe, and T. Ookaki (2015) "Synthetic Evidential Study as Primordial Soup of Conversation." Databases in Networked Information Systems, pp. 74-83. Springer International Publishing.

D. Lala & T. Nishida (2014). “Modeling Agent Interactions using Common Ground Knowledge from a Joint Activity Theory Perspective”, International Journal of Software Science and Computational Intelligence, 5(4), pp. 1-19.

Y. Ohmoto, D. Lala, H. Saiga, H. Ohashi, S. Mori, K. Sakamoto, K. Kinoshita and T. Nishida. (2013). "Design of Immersive Environment for Social Interaction Based on Socio-Spatial Information and the Applications." Journal of Information Science and Engineering 29(4), pp. 663-679

D. Lala & T. Nishida (2012). “A Collaborative Pointing Experiment for Analyzing Bodily Communication in Virtual Immersive Environment”, International Journal of Software Science and Computational Intelligence, 4(3). pp. 1-19.

Conference Papers

K. Ochi, K. Inoue, D. Lala, and T. Kawahara. (2024), "Entrainment analysis and prosody prediction of subsequent interlocutor’s backchannels in dialogue.", In INTERSPEECH (to appear).

K. Inoue, D. Lala, K. Ochi, T. Kawahara, and G. Skantze. (2024), "An analysis of user behaviours for objectively evaluating spoken dialogue systems.", 14th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2024)

H. Kawai, D. Lala, K. Inoue, K. Ochi, and T. Kawahara. (2024) "Evaluation of a semi-autonomous attentive listening system with takeover prompting.", 14th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2024).

Z. H. Pang, Y. Fu, D. Lala, K. Ochi, K. Inoue, and T. Kawahara. (2024) "Acknowledgment of emotional states: Generating validating responses for empathetic dialogue.", 14th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2024) (Best paper nominee)

K. Inoue, D. Lala, K. Ochi, T. Kawahara, and G. Skantze. (2023) "Towards objective evaluation of socially-situated conversational robots: Assessing human-likeness through multimodal user behaviors." (ICMI 2023 Late Breaking Papers)

Y. Fu, K. Inoue, D. Lala, K. Yamamoto, C. Chu, and T. Kawahara. (2023) "Improving empathetic response generation with retrieval based on emotion recognition.", 13th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2023)

Y. Muraki, H. Kawai, K. Yamamoto, K. Inoue, D. Lala, and T. Kawahara. (2023), "Semi-autonomous guide agents with simultaneous handling of multiple users." 13th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2023)

D. Lala, K. Inoue, K. Sawada and T. Kawahara. (2022), "Backchannel Generation Model for a Third Party Listening Agent.", International Conference on Human-Agent Interaction (HAI), 2022.

H. Kawai, Y. Muraki, K. Yamamoto, D. Lala, K. Inoue and T.Kawahara. (2022), "A Simultaneous Job Interview System Using Multiple Semi-autonomous Agents.", SIGDIAL 2022

Y. Li, C. Lai, D. Lala, K. Inoue and T. Kawahara. (2022), "Alzheimer’s Dementia Detection through Spontaneous Dialogue with Proactive Robotic Listeners.", ACM/IEEE International Conference on Human-Robot Interaction (HRI), pp. 875-879.

K.Inoue, H.Sakamoto, K.Yamamoto, D.Lala, and T.Kawahara. (2021), "A multi-party attentive listening robot which stimulates involvement from side participants.", (SIGDIAL 2021 demo paper)

E.Ishii, G.I.Winata, S.Cahyawijaya, D.Lala, T.Kawahara, and P.Fung (2021). "ERICA: An empathetic android companion for Covid-19 quarantine.", (SIGDIAL 2021 demo paper)

D. Lala, K. Inoue and T. Kawahara. (2020), "Prediction of shared laughter for human-robot dialogue.", 22nd International Conference on Multimodal Interaction (ICMI 2020 Late Breaking Papers)

K. Inoue, K. Hara, D. Lala, K. Yamamoto, S. Nakamura, K. Takanashi and T. Kawahara. (2020), "Job interviewer android with elaborate follow-up question generation.", 22nd International Conference on Multimodal Interaction (ICMI 2020)

K. Inoue, D. Lala, K. Yamamoto, S. Nakamura, K. Takanashi and T. Kawahara (2020), "An attentive listening system with android ERICA: Comparison of autonomous and WOZ interactions", 21st Annual SIGdial Meeting on Discourse and Dialogue (SIGDIAL 2020)

S. Isonishi, K. Inoue, D. Lala, K. Takanashi and T. Kawahara (2020). "Response generation to out-of-database questions for example-based dialogue systems, 11th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2020).

T. Zhao, D. Lala and T. Kawahara (2020). "Designing Precise and Robust Dialogue Response Evaluators", 2020 Annual Conference of the Association for Computational Linguistics (ACL 2020)

D. Lala, K. Inoue and T. Kawahara (2019). "Smooth Turn-taking by a Robot Using an Online Continuous Model to Generate Turn-taking Cues", 21st ACM International Conference on Multimodal Interaction (ICMI 2019)

D. Lala, S. Nakamura and T. Kawahara (2019). "Analysis of effect and timing of fillers in natural turn-taking", 20th Annual Conference of the International Speech Communication Association (INTERSPEECH 2019)

D. Lala, G. Wilcock, K. Jokinen and T. Kawahara (2019). "ERICA and WikiTalk", 28th International Joint Conference on Artificial Intelligence (IJCAI 2019)

K. Inoue, K. Hara, D. Lala, S. Nakamura, K. Takanashi and T. Kawahara (2019). "A job interview dialogue system with autonomous android ERICA.", 10th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2019)

K. Inoue, D. Lala, K. Yamamoto, K. Takanashi and T. Kawahara (2019). "Engagement-based adaptive behaviors for laboratory guide in human-robot dialogue.", 10th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2019)

D. Lala, K. Inoue and T. Kawahara (2018). "Evaluation of Real-Time Deep Learning Turn-Taking Models for Multiple Dialogue Scenarios.", 20th ACM International Conference on Multimodal Interaction (ICMI 2018)

K. Inoue, D. Lala, K. Takanashi and T. Kawahara (2018). "Engagement Recognition in Spoken Dialogue via Neural Network by Aggregating Different Annotators' Models.", 19th Annual Conference of the International Speech Communication Association (INTERSPEECH 2018)

T. Kawahara, K. Inoue, D. Lala and K. Takanashi (2018). "Audio-visual conversation analysis by smart posterboard and humanoid robot.", 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing

K. Inoue, D. Lala, K. Takanashi and T. Kawahara(2018). "Latent Character Model for Engagement Recognition Based on Multimodal Behaviors.", 9th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2018)

D. Lala, K. Inoue, P. Milhorat and T. Kawahara (2017). "Detection of social signals for recognizing engagement in human-robot interaction", AAAI Symposium on Natural Communication for Human-Robot Collaboration 2017

D. Lala, P. Milhorat, K. Inoue, M. Ishida, K. Takanashi and T. Kawahara (2017). "Attentive listening system with backchanneling, response generation and flexible turn-taking", 18th Annual SIGdial Meeting on Discourse and Dialogue (SIGDIAL 2017)

P. Milhorat, D. Lala, K. Inoue, T. Zhao, M. Ishida, K. Takanashi, S. Nakamura and T. Kawahara (2017). "A conversational dialogue manager for the humanoid robot ERICA", 8th International Workshop on Spoken Dialogue Systems Technology (IWSDS 2017)

D. Lala, Y. Li and T. Kawahara (2017). "Utterance behavior of users while playing basketball with a virtual teammate", 9th International Conference on Agents and Artificial Intelligence (ICAART 2017)

D. Lala, P. Milhorat, K. Inoue, T. Zhao and T. Kawahara (2016). "Multimodal Interaction with the Autonomous Android ERICA", 18th ACM International Conference on Multimodal Interaction (ICMI 2016)

K. Inoue, D. Lala, S. Nakamura, K. Takanashi and T. Kawahara (2016). "Annotation and analysis of listener’s engagement based on multi-modal behaviors", Workshop on Multimodal Analyses enabling Artificial Agents in Human-Machine Interaction at ICMI 2016

D. Lala and T. Kawahara (2016). "Managing Dialog and Joint Actions for Virtual Basketball Teammates", 16th International Conference on Intelligent Virtual Agents (IVA 2016)

K. Inoue, P. Milhorat, D. Lala, T. Zhao and T. Kawahara (2016). "Talking with ERICA, an autonomous android", 17th Annual SIGdial Meeting on Discourse and Dialogue (SIGDIAL 2016)

D. Lala and A. Nakazawa (2016). "Heat map visualization of multi-slice medical images through correspondence matching of video frames", 2016 Symposium on Eye Tracking Research & Applications (ETRA 2016)

D. Lala and T. Nishida (2015). “An imitation-based approach to represent common ground in a virtual basketball agent team mate”, ACM Symposium on Virtual Reality Software and Technology (VRST 2015)

D. Lala, C. Nitschke and T. Nishida (2015). “User perceptions of communicative and task-competent agents in a virtual basketball game”, 7th International Conference on Agents and Artificial Intelligence (ICAART 2015)

D. Lala, Y. Mohammad and T. Nishida (2014). “A joint activity theory analysis of body interactions in multiplayer virtual basketball”, 28th British Human Computer Interaction Conference (BCS HCI 2014)

D. Lala, C. Nitschke and T. Nishida (2014). “Enhancing Communication Through Distributed Mixed Reality”, 8th International Workshop on Human Aspects in Ambient Intelligence

D. Lala, Y. Mohammad and T. Nishida (2013). “Unsupervised gesture recognition system for learning manipulative actions in virtual basketball”, HAI

D. Lala and T. Nishida (2013). “Modeling Communicative Virtual Agents Based on Joint Activity Theory”, ICCI*CC

D. Lala and T. Nishida (2012). “Joint Activity Theory as a Framework for Natural Body Expression in Autonomous Agents”, 1st International Workshop on Multimodal Learning Analytics at ICMI 2012

D. Lala and T. Nishida (2012). “A Collaborative Pointing Experiment for Analyzing Bodily Communication in a Virtual Immersive Environment”, ICCI*CC 2012 (Best paper award)

D. Lala and T. Nishida (2011). “VISIE: A Spatially Immersive Interaction Environment Using Real-Time Human Measurement”, International Conference on Granular Computing

D. Lala, S. Thovutikkul and T. Nishida (2011). “Towards a Virtual Environment for Capturing Behavior in Cultural Crowds”, ICDIM

D. Lala and T. Nishida (2011). “The Interpretation of Emotion Based on Gestural Parameters and Culture”, Workshop On Culturally Motivated Virtual Characters at IVA

S. Thovuttikul, D. Lala, H. Ohashi, S. Okada, Y. Ohmoto and T. Nishida (2011). ”Simulated Crowd: Towards a Synthetic Culture for Engaging a Learner in Culture-dependent Nonverbal Interaction”, 2nd Workshop on Eye Gaze in Intelligent Human Machine Interaction at IUI 2011

D. Lala and T. Nishida (2010). “The Design of Model-based Agents and a Gaming Environment to Analyze and Express Trust Behavior”, in 9th International Workshop on Social Intelligence Design

D. Lala & T. Nishida (2010). “Development of a game simulation to analyze coalitions in agents”, in Cybernetics and Systems 2010.