Journal Articles

   Hung-Hsuan Huang, Takuya Furukawa, Hiroki Ohashi, Toyoaki Nishida, Aleksandra Cerekovic, Igor S. Pandzic, Yukiko Nakano, Communicating with multiple users for embodied conversational agents in quiz game context, International Journal of Intelligent Information and Database Systems (IJIIDS), Volume 4, Issue 6, pp.579 – 598, 2010.

   Afia Akhter Lipi, Yukiko Nakano and Mathias Rehm. Culture and Social Relationship as Factors of Affecting Communicative Non-verbal Behaviors, JSAI, Vol.25 No.6, pp.712-722, 2010.

   Rehm, M. Nakano, Y. Andre, E. Nishida, T. Bee, N. Endrass, B., Wissner, M. Lip,i A. A., Huang, H.-H., "From observation to simulation: generating culture-specific behavior for interactive systems," AI & Society, vol. 24, no. 3, pp. 267-280 2009.

   Huang, H.H.,? Cerekovic, A., Pandzic, I., Nakano, Y., and Nishida, T.: Toward a Multi-culture Adaptive Virtual Tour Guide Agent with a Modularized Approach, AI & Society Journal of Knowledge, Culture and Communication, Vol. 24, No. 3, pp225-235, Springer Press, October 2009.

   Hung-Hsuan Huang, Kateryna Tarasenko, Toyoaki Nishida, Aleksandra Cerekovic, Vjekoslav Levacic, Goranka Zoric, Igor S. Pandzic, and Yukiko Nakano, An Agent Based Multicultural Tour Guide System with Nonverbal User Interface, the International Journal on Multimodal Interfaces, Vol. 1 No. 1, pp 41-48, Springer Press, April 2008.

   Huang, H., Cerekovic, A., Tarasenko, K., Levacic, V., Zoric, G., Pandzic, I., Nakano, Y., and Nishida, T.: ?Integrating Embodied Conversational Agent Components with a Generic Framework, Multiagent and Grid Systems, Vol. 4, No. 4, pp 371-386 , IOS Press, 2008.

   Xu, Y. Ogasawara, Y., Okamoto, M., Hiramatsu, T., Tarasenko, K., Tajima, T., Hatakeyama, M., Nakano, Y. I., and Nishida, T. A Two-layered Approach to Communicative Artifacts, Journal of AI & Society special issue on Mediated Communication in Action: a Social Intelligence Design Approach, Renate Fruchter (Ed.), Volume 22, Issue 2, pp.185-196, 2007.

   Nakano, Y. I., Murayama, T., Okamoto, M., Kawahara, D., Li, Q., Kurohashi, S., & Nishida, T.? Cards-to-Presentation on the Web: Generating Multimedia Contents Featuring Animated Agents, Journal of Network and Computer Applications, Vol. 29, pp.83-104, 2006.

   Okamoto, M., Nakano, Y. I., Okamoto, K., Matsumura, K., and Nishida, T. Producing effective shot transitions in CG contents based on a cognitive model of User Involvement. IEICE Transactions on Information and Systems, Vol.E88-D, No.11, pp.2523-2532, 2005.

   Nakano, Y. I., Murayama, T., and Nishida, T. Multimodal Story-based Communication: Integrating a Movie and a Conversational Agent. IEICE Transactions on Information and Systems, VOL.E87-D, No.6, pp.1338-1346, 2004.

 

International Conference Papers

   Fumie Nori, Afia Akhter Lipi, Yukiko Nakano, Cultural Difference in Nonverbal Behaviors in Negotiation Conversations: Towards a Model for Culture-adapted Conversational Agents, in 14th International Conference on Human-Computer Interaction (HCII2011), 2011.

   Takeo Tsukamoto, Yumi Muroya, Masashi Okamoto & Yukiko Nakano, Collection and Analysis of Multimodal Interaction in Direction Giving Dialogues: Towards an Automatic Gesture Selection Mechanism for Metaverse Avatars, AAMAS2011 Workshop on the uses of Agents for Education, Games and Simulations, 2011.

   Birgit Endrass, Elisabeth Andre, Yukiko Nakano, Matthias Rehm, Afia Akhter Lipi, Culture-related differences in aspects of behavior for virtual characters across Germany and Japan, in the proceedings of the 10th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2011), 2011.

   Yuki Fukuhara and Yukiko Nakano, Gaze and Conversation Domination in Multiparty Interaction, in 2011 International Conference on Intelligent User Interfaces (IUI2011), Workshop on Eye Gaze in Intelligent Human Machine Interaction, Palo Alto, California, 2011.

   Ryo Ishii, Yuta Shinohara, Yukiko Nakano, and Toyoaki Nishida, Combining Multiple Types of Eye-gaze Information to Predict User’s Conversational Engagement, in 2011 International Conference on Intelligent User Interfaces (IUI2011), Workshop on Eye Gaze in Intelligent Human Machine Interaction, Palo Alto, California, 2011.

   Huang, H.H., Takeda, S., Fukuhara, Y., Baba, N., Shibasaki, Y., Nakano, Y., Nishida, T.: An Empirical Study of Multiparty Conversations with a Virtual Agent in Wizard-of-Oz Setting, the 10th International Conference on Intelligent Virtual Agents (IVA'10), Philadelpha, USA, September 20-22, 2010.

   Huang, H.H., Takeda, S., Ono, M., Nakano, Y., Pandzic, I., Nishida, T.: Toward a Proactive Information Providing Agent in Multi-user Collaborative Decision-making Conversation, International Workshop on Interacting with ECAs as Virtual Characters, 9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS'10), pp46-52, Toronto, Canada, May 10, 2010.

   Huang, H.H., Furukawa, T., Ohashi, H., Cerekovic, A., Pandzic, I., Nakano, Y., Nishida, T.: How Multiple Current Users React to a Quiz Agent Attentive to the Dynamics of Their Participation, 9th International Conference on Autonomous Agents and Multiagent Systems (AAMAS'10), pp1281-1288, Toronto, Canada, May 10-14, 2010.

   Afia AkhterLipi, Yukiko Nakano, and Matthias Rehm. A Socio-Cultural Model Based on Empirical Data of Cultural and Social Relationship. International Workshop on Agents in Cultural Context, 2010.

   Nakano, Y.I. and Ishii, R. Estimating User's Engagement from Eye-gaze Behaviors in Human-Agent Conversations. in 2010 International Conference on Intelligent User Interfaces (IUI2010). (2010). Hong Kong.

   Ishii, R. and Nakano, Y.I. An Empirical Study of Eye-gaze Behaviors: Towards the Estimation of Conversational Engagement in Human-Agent Communication. in 2010 International Conference on Intelligent User Interfaces (IUI2010), Workshop on Eye Gaze in Intelligent Human Machine Interaction. (2010). Hong Kong.

   Rehm, M,. Andre E., and Nakano, Y., "Some Pitfalls for Developing Enculturated Conversational Agents," in 13th International Conference on Human-Computer Interaction (HCII09), pp. 340-348, 2009.

   Nakano, Y. and Rehm, M., "Multimodal Corpus Analysis as a Method for Ensuring Cultural Usability of Embodied Conversational Agents," in 13th International Conference on Human-Computer Interaction (HCII09), pp. 521-530, 2009.

   Lipi, A. A., Nakano, Y. and Rehm, M., "A Parameter-based Model for Generating Culturally Adaptive Nonverbal Behaviors in Embodied Conversational Agents," in 13th International Conference on Human-Computer Interaction (HCII09), pp. 631-640, 2009.

   Huang, H.H., Cerekovic, A., Furukawa, T., Yamaoka, Y., Ohashi, H., Pandzic, I., Nakano, Y., Nishida, T., Communicating with Multiple Users for Embodied Conversational Agents, 10th International Conference on Telecommunications (ConTEL'09), pp155-162, Zagreb, Croatia, June 8-10, 2009.

   Nakano, Y., Yamaoka, Y. Information State based Multimodal Dialogue Management: Estimating Conversational Engagement from Gaze Information, 9th International Conference on Intelligent Virtual Agents (IVA08), pp. 531-532, Springer, Berlin, Heidelberg, 2009.

   Huang, H., Furukawa, T., Ohashi, H., Cerekovic, A., Yamaoka, Y., Pandzic, I., Nakano, Y., Nishida, T., The Lessons Learned in Developing Multi-user Attentive Quiz Agents, 9th International Conference on Intelligent Virtual Agents (IVA09), pp. 166-173, Springer, Berlin, Heidelberg, 2009.

   Ishii,R., Nakano, Y.: Estimating User's Conversational Engagement based on Gaze Behaviors, 8th International Conference on Intelligent Virtual Agents (IVA08), pp. 200-207, Springer, Berlin, Heidelberg, 2008.

   Matthias Rehm, Yukiko Nakano, Elisabeth Andre, and Toyoaki Nishida. Culture-specific first meeting encounters between virtual agents. 8th International Conference on Intelligent Virtual Agents (IVA08), pp. 223-236, Springer, Berlin, Heidelberg, 2008 [Best Paper Award Finalist].

   Akhter Lipi Afia, Yuji Yamaoka, Yukiko Nakano, and Matthias Rehm. Enculturating Conversational Agents based on a Comparative Corpus Study. 8th International Conference on Intelligent Virtual Agents (IVA08), pp. 465-467, Springer, Berlin, Heidelberg, 2008.

   Huang, H., Cerekovic, A., Pandzic, I., Nakano, Y, and Nishida, T.: The Design of a Generic Framework for Integrating ECA Components, The Seventh International Conference of Autonomous Agents and Multiagent Systems (AAMAS08), Estoril, Portugal, 2008.

   Rehm, M., Gruneberg, F., Nakano, Y., Lipi, A. A., Yamaoka, Y., Huang, H.: Creating a Standardized Corpus of Multimodal Interactions for Enculturating Conversational Interfaces, Workshop on Enculturating Conversational Interfaces by Socio-cultural Aspects of Communication, 2008 International Conference on Intelligent User Interfaces (IUI2008), Canary Islands, Spain, January 2008.

   Endrass, B., Rehm, M., Andre, E., and Nakano, Y.: Talk is silver, silence is golden: A cross-cultural study on the use of pauses in speech, Workshop on Enculturating Conversational Interfaces by Socio-cultural Aspects of Communication, 2008 International Conference on Intelligent User Interfaces (IUI2008), Canary Islands, Spain, January 2008.

   Huang, H., Cerekovic, A., Pandzic, I., Nakano, Y, and Nishida, T.: Toward a Culture Adaptive Conversational Agent with a Modularized Approach, Workshop on Enculturating Conversational Interfaces by Socio-cultural Aspects of Communication, 2008 International Conference on Intelligent User Interfaces (IUI2008), Canary Islands, Spain, January 2008.

   Huang, H., Cerekovic, A., Pandzic, I., Nakano, Y, and Nishida, T.: Scripting Human-Agent Interactions in a Generic ECA Framework, In proceedings of 27th BCS SGAI International Conference on Artificial Intelligence (AI-2007), pp103-115, Applications and Innovations in Intelligent Systems XV, Springer London, Cambridge, England, December 2007.

   Rehm, M., Andre, E., Bee, N., Endrass, B., Wissner, M., Nakano, Y., Nishida T., Huang, H.: The CUBE-G approach - Coaching culgure-specific nonverbal behavior by virtual agents. Proceedings of the 38th Conference of the International Simulation and Gaming Association (ISAGA), Nijmegen, New Zealand, July 2007.

   Murata, K., Enomoto, M., Arimoto, Y., and Nakano, Y.: When Should Animated Agents Give Additional Instructions to Users? - Monitoring user's understanding in multimodal dialogues -, International Conference on Control, Automation and Systems (ICCAS 2007), pp.733-736, 2007.

   Cerekovic, A., Huang, H., Pandzic, I., Nakano, Y, and Nishida, T.: Towards a Multicultural ECA Tour Guide System, 7th International Conference on Intelligent Virtual Agents (IVA07), pp. 364-365, Paris, France, September 2007.

   Huang, H., Inoue, T., Cerekovic, A., Pandzic, I., Nakano, Y, and Nishida, T.: A Quiz Game Console Based on a Generic Embodied Conversational Agent Framework, 7th International Conference on Intelligent Virtual Agents (IVA07), pp. 383-384, Paris, France, September 2007.

   Huang, H., Cerekovic, A., Pandzic, I., Nakano, Y, and Nishida, T.: A Script Driven Multimodal Embodied Conversational Agent Based on a Generic Framework, 7th International Conference on Intelligent Virtual Agents (IVA07), pp. 381-382, Paris, France, September 2007.

   Nakano, Y. I., Murata, K., Enomoto, M., Arimoto, Y., Asa, Y., and Sagawa, H.: Predicting Evidence of Understanding by Monitoring User's Task Manipulation in Multimodal Conversations, In Proceedings of the ACL 2007 Demo and Poster Sessions, pp 121?124, 2007.

   Cerekovic, A., Huang, H., Zoric, G., Tarasenko, K., Levacic, V., Pandzic, I., Nakano, Y., and Nishida, T.: Towards an Embodied Conversational Agent Talking in Croatian, In Proceedings of the 9th Intenational Conference on Telecommunications (ConTEL 2007), Zagreb, Croatia, June 2007.

   Huang, H., Masuda, T., Cerekovic, A., Tarasenko, K., Pandzic, I., Nakano, Y., and Nishida, T.: Toward a Universal Platform for Integrating Embodied Conversational Agent Components, In Proceedings of KES 2006, pp. 220-226, Lecture Notes in Computer Science vol.4252/2006, Springer, 2006.

   Ishii, R., Miyajima, T., Fujita, K., and Nakano Y. Avatar's Gaze Control to Facilitate Conversational Turn-taking in Virtual-Space Multi-User Voice Chat System, In Proceedings of the International Conference on Intelligent Virtual Agents, Lecture Notes in Computer Science, Volume 4133/2006, Intelligent Virtual Agents, Page 458, Springer Berlin, 2006.

   Okamoto, K., Nakano, Y. I., Okamoto, M., Huang, H., and Nishida, T. Generating CG Movies based on a Cognitive Model of Shot Transition, In Proceedings of the 9th International Conference on Knowledge-Based Intelligent Information and Engineering Systems KES2005 (3), pp. 848-854, 2005.

   Ogasawara, Y., Okamoto, M., Nakano, Y. I., Xu, Y., Nishida, T. How to Make Robot a Robust and Interactive Communicator, In Proceedings of the 9th International Conference on Knowledge-Based Intelligent Information and Engineering Systems KES2005 (3), pp. 289-295, 2005.

   Nakano, Y. I., and Nishida, T. Interpreting User’s Attention as Engagement Cues in Multiparty Immersive Conversations, CHI05 workshop on the Virtuality Continuum Revisited, 2005.

   Nakano, Y. I. and Nishida, T. Awareness of perceived world and conversational engagement by conversational agents,. In Proceedings of AISB05: the Symposium on Conversational Informatics for Supporting Social Intelligence and Interaction -Situational and Environmental Information Enforcing Involvement in Conversation-, pp. 128?134, 2005.

   Ogasawara, Y., Okamoto, M., Nakano, Y. I., and Nishida, T. Establishing natural communication environment between a human and a listener robot. In Proceedings of AISB05: the Symposium on Conversational Informatics for Supporting Social Intelligence and Interaction -Situational and Environmental Information Enforcing Involvement in Conversation-, pp. 42?51, 2005.

   Okamoto, M., Okamoto, K., Nakano, Y. I., and Nishida, T. Supporting the creation of immersive cg contents with enhanced user involvement. In Proceedings of AISB05: the Symposium on Conversational Informatics for Supporting Social Intelligence and Interaction -Situational and Environmental Information Enforcing Involvement in Conversation-, pp. 87?96, 2005.

   Nakano, Y. I., Okamoto, M., and Nishida, T. Enriching Agent Animations with Gestures and Highlighting Effects. In Leonard Bolc, Zbigniew Michalewicz and Toyoaki Nishida (Eds.), International Workshop on Intelligent Media Technology for Communicative Intelligence (LNAI 3490), pp. 91-98, 2005.

   Okamoto, M., and Nakano, Y. I., and Nishida, T. Toward Enhancing User Involvement via Empathy Channel in Human-Computer Interface Design. In Leonard Bolc, Zbigniew Michalewicz and Toyoaki Nishida (Eds.), International Workshop on Intelligent Media Technology for Communicative Intelligence (LNAI 3490), pp. 111-121, 2005.

   Matsumura, K., Nakano, Y. I., and Nishida, T. The Explanatory Experiment for Evaluation of SPOC System from Contents Creators’ Perspective. In Leonard Bolc, Zbigniew Michalewicz and Toyoaki Nishida (Eds.), International Workshop on Intelligent Media Technology for Communicative Intelligence (LNAI 3490), pp. 79?90, 2005.

   Nakano, Y. I., Okamoto, M., Kawahara, D., Li, Q., and Nishida, T. Converting text into agent animations: Assigning gestures to text. In Proceedings of Human Language Technology Conference of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL 2004), Companion Volume, pp. 153?156, 2004.

   Nakano, Y. I., Murayama, T., and Nishida, T. Engagement in situated communication by conversational agents. In Proceedings of Multimedia and Network Information Systems, vol. 2: the 1st International Workshop on Intelligent Media Technology for Communicative Intelligence, pp. 95?101, 2004.

   Murayama, T., Nakano, Y. I., and Nishida, T. Participatory information sharing system by using an interface agent and a situation. In Proceedings of Multimedia and Network Information Systems, vol. 2: the 1st International Workshop on Intelligent Media Technology for Communicative Intelligence, pp. 87?93, 2004.

   Li, Q., Nakano, Y., Okamoto, M., and Nishida, T. Highlighting Multimodal Synchronization for Embodied Conversational Agents, In Proceedings of the 2nd International Conference on Information Technology for Application (ICITA 2004), China, 2004.

   Nakano, Y. I., Reinstein, G., Stocky, T., Cassell, J. (2003). Towards a Model of Face-to-Face Grounding. In Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics (ACL 03), pp. 553-561. July 8-10, Sapporo, Japan. [Best Paper Award]

   Nakano, Y, Murayama, T., Kawahara, D., Kurohashi, S., and Nishida, T. (2003). Embodied Conversational Agents for Presenting Intellectual Multimedia Contents. In Proceedings of the 7th International Conference on Knowledge-Based Intelligent Information and Engineering Systems (KES 2003), pp. 1030-1036. September 3-5, Oxford, UK.?

   Murayama, T., Nakano, Y., Nshida, T., Participatory Broadcasting SystemUsing Interface Agent and Multimedia. In Proceedings of the Social Intelligence Design International Conference (SID 2003), 2003

   Cassell, J., Stocky, T., Bickmore, T., Gao, Y., Nakano, Y., Ryokai, K., Tversky, D., Vaucelle, C., Vilhjalmsson, H. (2002). MACK: Media lab Autonomous Conversational Kiosk. In Proceedings of Imagina02. February 12-15, Monte Carlo.

   Nakano, Y. (2002) Nonverbal Signals for Natural Communication with Embodied Conversational Agents. In Proceedings of International Workshop on Intelligent Media Technology for Communicative Reality, 2002 [Invited Talk]

   Cassell, J., Nakano, Y. I., Bickmore, T., Sidner, C., Rich, C. (2001). Annotating and Generating Posture from Discourse Structure in Embodied Conversational Agent. In Proceedings of the ACM Agents Conference Workshop on Representing, Annotating, and Evaluating Non-Verbal and Verbal Communicative Acts to Achieve Contextual Embodied Agents. May 28-30, Montreal, Canada.

   Cassell, J., Nakano, Y. I., Bickmore, T. W., Sidner, C. L., Rich, C. Non-Verbal Cues for Discourse Structure. In Proceedings of the 39th Annual Meeting of the Association of Computational Linguistics (ACL 01), pp.106-115, 2001.

   Nakano, Y. I., Imamura, K., Ohara, H. Taking Account of the User's View in 3D Multimodal Instruction Dialogue. In Proceedings of the 18th International Conference on Computational Linguistics COLING2000, pp.572-578, 2000.

   Nakano, Y. I., and Kato, T. Cue Phrase Selection in Instruction Dialogue Using Machine Learning In Proceedings of COLING-ACL’98 Workshop for Discourse Relations and Discourse Markers, pp.100-106, 1998.

   Tsuneaki Kato and Yukiko I. Nakano. Referent identification requests in multimodal dialogs. In Harry Bunt, Robbert-Jab Beun, and Tijn Borghuis (Eds.), Multimodal Human-Computer Communication ? Systems, Techniques, and Experiments- (Lecture Notes in Artificial Intelligence 1374), pp. 294?311. Springer- Verlag, 1998.

   Kato, T. and Nakano, Y. I. Aggregative Utterance Planning for Interactive Instruction. In Proceedings of the International Conference Recent Advances in Natural Language Processing (RANLP-97). pp.120 ? 126, 1997.

   Hasegawa, T., Nakano, Y. I., Kato, T. A collaborative dialog model based on interaction between reactivity and deliberation. In W. Lewis Johnson, editor, Proceedings of the First International Conference on Autonomous Agents, pp.83-87, ACM SIGART, ACM Press, 1997.

   Kato, T., and Nakano, Y. I. Towards Generation of Fluent Referring Action in Multimodal Situations. In Proceedings of a Workshop on Referring Phenomena in a Multimedia Context and Their Computational Treatment. ACL SIG on Multimedia, pp.20 ? 28, 1997.

   Kato, T., Nakano, Y. I., Nakajima, H., Hasegawa, T. Interactive Multimodal Explanations and their Temporal Coordination. In Proceedings of the 12th European Conference on Artificial Intelligence (ECAI-96). John Wiley and Sons Limited. pp.261 ? 265, 1996.

   Nakano, Y. I. and Kato, T. Task Context Dependency of Explanation Strategy in Instruction Dialogues. In Proceedings of AAAI-95 Fall Symposium Series; Embodied Language & Action, 99. pp.94 ? 100, 1995.

   Kato, T. and Nakano, Y. I. Referent Identification Requests in Multimodal Dialogues. In Proceedings of the International Conference on Cooperative Multimodal Communication (CMC/95). the Universities of Brabant Joint Research Organization and ACL SIG on Multimedia, Part II, pp. 175 ? 191, 1995.

   Ishikawa, Y. Communicative Mode Dependent Contribution from the Recipient in Information Providing Dialogue, In Proceedings of International Conference on Spoken Language Processing (ICSLP), pp.959-962, 1994.

   Ishikawa, Y. and Kato, T. Deciding Appropriate Query Content According to Topic Features, In Proceedings of the first conference of the Pacific Association for Computational Linguistics (PACLING), pp232-241, 1993.

   Kato, T. and Ishikawa, Y. Generating Appropriate Queries for Dialogue. In Proceedings of the 2nd Pacific Rim International Conference of Artificial Intelligence (PRICAI92). Korea Information Science Society, Vol. 2, pp.1190 ? 1196, 1992

   Kato, T. and Ishikawa, Y. Ellipsis in Japanese Discourse. In Proceedings of the Natural Language Processing Pacific Rim Symposium (NLPRS). Information Processing Society in Japan, pp. 217 ? 223, 1991.

 

Book Chapters

1.      Rehm, M., Andre, E., Bee, N., Endrass, B., Wissner, M., Nakano, Y., Lipi, A. A., Nishida T., and Huang H.-H., "Creating Standardized Video Recordings of Multimodal Interactions Across Cultures." in Multimodal Corpora: From Models of Natural Interaction to Systems and Applications, M. Kipp, J.-C. Martin, P. Paggio and D. Heylen (Eds.), Springer, pp. 138-159, 2009.

2.      Nakano, Y., Murata, K., Enomoto, M., Arimoto, Y., Asa, Y., ?and Sagawa, H.: Modeling Human-Agent Interaction Using Bayesian Network Technique, New Frontiers in Artificial Intelligence: JSAI 2007 Conference and Workshops, Miyazaki, Japan, June 18-22, 2007, Revised Selected Papers, Lecture Notes in Computer Science, pp. 5-12, Springer Berlin / Heidelberg, 2007.

3.      Nakano, I. Y., and Nishida, T.: Attentional Behaviors as Nonverbal Communicative Signals in Situated Interactions with Conversational Agents, In Nishida, T. (Ed.), Engineering Approaches to Conversational Informatics, John Wiley & Sons Inc2007.

4.      Tsuneaki Kato and Yukiko I. Nakano. Aggregative utterance planning for interactive instruction. In Nicolas Nicolov and Ruslan Mitkov (Eds.), Recent Advances in Natural Language Processing II, pp. 221?256. John Benjamins Publishing Company, 2000.


Thesis

Ph.D Thesis: Designing Multimodal Conversational Interfaces Based on Empirical Studies of Human Communicative Behaviors, The University of Tokyo, Japan, 2005.

Master Thesis: Non-verbal Signals for Grounding in Embodied Conversational Agent , Massachusetts Institute of Technology, MA, USA, 2002.