Center of Excellence Cognitive Interaction Technology – Bielefeld University – Faculty of Technology

Publications of the Sociable Agents Group

 2013

Lücking, A., Bergmann, K., Hahn, F., Kopp, S., & Rieser, H. 2013. “Data-based analysis of speech and gesture: the Bielefeld Speech and Gesture Alignment corpus (SaGA) and its applications”. Journal on Multimodal User Interfaces 7(1-2), 5–18.
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Bergmann, K., Hahn, F., Kopp, S., Rieser, H., & Röpke, I. In Press. “Integrating Gesture Meaning and Verbal Meaning for German Verbs of Motion: Theory and Simulation”, in: Proceedings of the Tilburg Gesture Research Meeting (TiGeR 2013).
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Bergmann, K. In Press. “Co-speech gesture generation for embodied agents and its effects on user evaluation”, in: N. Campbell & M. Rojc (Eds), Coverbal synchrony in Human-Machine Interaction.Boca Raton, FL, USA: Science Publishers/CRC Press.
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Buschmeier, H., & Kopp, S. 2013. “Co-constructing Grounded Symbols—Feedback and Incremental Adaptation in Human–Agent Dialogue”. Künstliche Intelligenz 27, 137–143.
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Buschmeier, H., & Wlodarczak, M. 2013. “TextGridTools: A TextGrid Processing and Analysis Toolkit for Python”, in: Tagungsband der 24. Konferenz zur Elektronischen Sprachsignalverarbeitung (ESSV 2013).Bielefeld, Germany, 152–157.
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Kopp, S., Bergmann, K., & Kahl, S. In Press. “A spreading-activation model of the semantic coordination of speech and gesture”, in: Proceedings of the 35th Annual Meeting of the Cognitive Science Society (COGSCI 2013).
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Kramer, N., Kopp, S., Becker-Asano, C., & Sommer, N. 2013. “Smile and the world will smile with you-The effects of a virtual agent's smile on users' evaluation and behavior”. International Journal Of Human-Computer Studies 71(3), 335–349.
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Rüther, S., Hermann, T., Mracek, M., Kopp, S., & Steil, J.J. In Press. “Supporting Workers and Quality Management in Sterilization Departments”, Presented at the 4th International Symposium on Ambient Intelligence, Salamanca, Spain.
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Rüther, S., Hermann, T., Mracek, M., Kopp, S., & Steil, J.J. In Press. “An Assistance System for Guiding Workers in Central Sterilization Supply Departments”, Presented at the 6th International Conference on PErvasive Technologies Related to Assistive Environments, Island of Rhodes, Greece.
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van Welbergen, H., Reidsma, D., & Zwiers, J. 2013. “Multimodal plan representation for adaptable BML scheduling”. Autonomous Agents and Multi-Agent Systems(2), 305–327.
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 2012

Rieser, H., Bergmann, K., & Kopp, S. 2012. “How do Iconic Gestures Convey Visuo-spatial Information? Bringing together Empirical, Theoretical, and Simulation Studies”, in: E. Efthimiou & G. Kouroupetroglou (Eds), Gestures in Embodied Communication and Human-Computer Interaction.Berlin/Heidelberg, Germany: Springer, 139–150.
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Bergmann, K., & Kopp, S. 2012. “Gestural Alignment in Natural Dialogue”, in: R.P. Cooper, D. Peebles, & N. Miyake (Eds), Proceedings of the 34th Annual Conference of the Cognitive Science Society (CogSci 2012).Austin, TX: Cognitive Sciece Society, 1326–1331.
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Bergmann, K., Eyssel, F.A., & Kopp, S. 2012. “A second chance to make a first impression? How appearance and nonverbal behavior affect perceived warmth and competence of virtual agents over time”, in: M. Walker, M. Neff, A. Paiva, & Y. Nakano (Eds), Proceedings of the 12th International Conference on Intelligent Virtual Agents.Berlin/Heidelberg: Springer, 126–138.
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Bergmann, K. 2012. The Production of Co-Speech Iconic Gestures: Empirical Study and Computational Simulation with Virtual Agents. Bielefeld, Germany: University.
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Malisz, Z., Wlodarczak, M., Buschmeier, H., Kopp, S., & Wagner, P. 2012. “Prosodic characteristics of feedback expressions in distracted and non-distracted listeners”, in: Proceedings of The Listening Talker. An Interdisciplinary Workshop on Natural and Synthetic Modification of Speech in Response to Listening Conditions.Edinburgh, UK, 36–39.
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Buschmeier, H., Yaghoubzadeh, R., Pietsch, C., & Kopp, S. 2012. “Why We Develop Intelligent Conversational Agents with Python. In: What Language Do You Use to Create Your AI Programs and Why?”. KI - Künstliche Intelligenz 26(1), 99–106.
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Buschmeier, H., Baumann, T., Dosch, B., Schlangen, D., & Kopp, S. 2012. “Combining Incremental Language Generation and Incremental Speech Synthesis for Adaptive Information Presentation”, in: Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue.Seoul, South Korea, 295–303.
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Wlodarczak, M., Buschmeier, H., Malisz, Z., Kopp, S., & Wagner, P. 2012. “Listener head gestures and verbal feedback expressions in a distraction task”, in: Proceedings of the Interdisciplinary Workshop on Feedback Behaviors in Dialog, INTERSPEECH2012 Satellite Workshop.Stevenson, WA, 93–96.
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Buschmeier, H., & Kopp, S. 2012. “Understanding How Well You Understood – Context-sensitive Interpretation of Multimodal User Feedback”, in: Proceedings of the 12th International Conference on Intelligent Virtual Agents. 517–519.
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Buschmeier, H., & Kopp, S. 2012. “Using a Bayesian model of the listener to unveil the dialogue information state”, in: SemDial 2012: Proceedings of the 16th Workshop on the Semantics and Pragmatics of Dialogue. 12–20.
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Buschmeier, H., & Kopp, S. 2012. “Adapting Language Production to Listener Feedback Behaviour”, in: Proceedings of the Interdisciplinary Workshop on Feedback Behaviors in Dialogue.Stevenson, WA, 7–10.
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Striegnitz, K., Buschmeier, H., & Kopp, S. 2012. “Referring in installments: A corpus study of spoken object references in an interactive virtual environment”, in: Proceedings of the 7th International Natural Language Generation Conference. 12–16.
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Buschmeier, H., & Kopp, S. 2012. “How Should Attentive Speaker Agents Adapt to Listener Feedback?”, in: Proceedings of The Listening Talker. An Interdisciplinary Workshop on Natural and Synthetic Modification of Speech in Response to Listening Conditions.Edinburgh, UK, 56.
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Großekathöfer, U., Wöhler, N.-C., Hermann, T., & Kopp, S. 2012. “On-the-fly behavior coordination for interactive virtual agents – A model for learning, recognizing and reproducing hand-arm gestures online”, in: 11th International Conference on Autonomous Agents and Multiagent Systems (AAMAS2012).
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Großekathöfer, U., Sadeghipour, A., Lingner, T., Meinicke, P., Hermann, T., & Kopp, S. 2012. “Low Latency Recognition and Reproduction of Natural Gesture Trajectories”, in: ICPRAM (Int.Conf. on Pattern Recognition Applications and Methods).http://www.scitepress.org/DigitalLibrary, 154–161.
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Kopp, S., & Bergmann, K. 2012. “Individualized Gesture Production in Embodied Conversational Agents”, in: M. Zacarias & J.V. de Oliveira (Eds), Human-Computer Interaction: The Agency Perspective, 396, Studies in Computational Intelligence.Berlin/Heidelberg: Springer, 287–302.
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Pietsch, C., Buch, A., Kopp, S., & de Ruiter, J. 2012. “Measuring Syntactic Priming in Dialogue Corpora”, in: B. Stolterfoht & S. Featherston (Eds), Empirical Approaches to Linguistic Theory: Studies in Meaning and Structure, 111, Studies in Generative Grammar [SGG].Berlin: Mouton de Gruyter, 29–42.
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Lücking, A., Ptock, S., & Bergmann, K. 2012. “Assessing Agreement on Segmentations by Means of Staccato, the Segmentation Agreement Calculator according to Thomann”, in: E. Efthimiou & G. Kouroupetroglou (Eds), Gestures in Embodied Communication and Human-Computer Interaction.Berlin/Heidelberg, Germany: Springer, 129–138.
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Sadeghipour, A., & Kopp, S. 2012. “Gesture Processing as Grounded Motor Cognition - Towards a Computational Model”. Procedia - Social and Behavioral Sciences 32, 213–223.
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Sadeghipour, A., Morency, L.-P., & Kopp, S. 2012. “Gesture-based Object Recognition using Histograms of Guiding Strokes”, in: R. Bowden, J. Collomosse, & K. Mikolajczyk (Eds), Proceedings of the British Machine Vision Conference.BMVA Press, 44.1–44.11.
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Salem, M. 2012. Conceptual Motorics - Generation and Evaluation of Communicative Robot Gesture. Bielefeld, Germany: Bielefeld University.
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Salem, M., Kopp, S., Wachsmuth, I., Rohlfing, K., & Joublin, F. 2012. “Generation and Evaluation of Communicative Robot Gesture”. International Journal of Social Robotics, Special Issue on Expectations, Intentions, and Actions.
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Yaghoubzadeh, R., & Kopp, S. 2012. “Toward a Virtual Assistant for Vulnerable Users: Designing Careful Interaction”, in: Proceedings of the 1st Workshop on Speech and Multimodal Interaction in Assistive Environments.Association for Computational Linguistics, 13–17.
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Lohse, M., & van Welbergen, H. 2012. “Designing Appropriate Feedback for Virtual Agents and Robots.”, in: Position paper at RO-MAN 2012 Workshop Robot Feedback in Human-Robot Interaction: How to Make a Robot Readable for a Human Interaction Partner.
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van Welbergen, H., Reidsma, D., & Kopp, S. 2012. “An Incremental Multimodal Realizer for Behavior Co-Articulation and Coordination”, in: Y. Nakano, M. Neff, A. Paiva, & M. Walker (Eds), LNCS, 7502.Springer, 175–188.
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 2011

Bergmann, K., Rieser, H., & Kopp, S. 2011. “Regulating Dialogue With Gestures---Towards an Empirically Grounded Simulation with Conversational Agents”, in: J.Y. Chai, J.D. Moore, R.J. Passonneau, & D.R. Traum (Eds), Proceedings of the SIGdial 2011 Conference.Association for Computational Linguistics, 88–97.
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Bergmann, K., Aksu, V., & Kopp, S. 2011. “The Relation of Speech and Gestures: Temporal Synchrony Follows Semantic Synchrony”, in: Proceedings of the 2nd Workshop on Gesture and Speech in Interaction (GeSpIn 2011).
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Bergmann, K., Kopp, S., & Rieser, H. 2011. “Grounding the Simulation of Iconic Gestures in Gesture Typology”, in: E. Efthimiou & G. Kouroupetroglou (Eds), Proceedings of the 9th International Gesture Workshop: Gestures in Embodied Communication and Human-Computer Interaction.Berlin/Heidelberg, Germany: Springer, 33–36.
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Eyssel, F.A., Bergmann, K., & Kopp, S. 2011. “Human-like or not Human-like?: A Virtual Agent's Gesturing Behavior Increases Perceived Interaction Quality and Anthropomorphism”, in: Annual Meeting of the Society for Personality and Social Psychology.
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Buschmeier, H., Malisz, Z., Wlodarczak, M., Kopp, S., & Wagner, P. 2011. “'Are you sure you're paying attention?' – 'Uh-huh'. Communicating understanding as a marker of attentiveness”, in: Proceedings of INTERSPEECH 2011.International Speech Communication Association, 2057–2060.
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Buschmeier, H., & Kopp, S. 2011. “Towards Conversational Agents That Attend to and Adapt to Communicative User Feedback”, in: H. Vilhjàlmsson, S. Kopp, S. Marsella, & K. Thórisson (Eds), Proceedings of the 11th International Conference on Intelligent Virtual Agents. LNCS, 6895.Berlin, Heidelberg: Springer-Verlag, 169–182.
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Buschmeier, H., & Kopp, S. 2011. “Unveiling the Information State with a Bayesian Model of the Listener”, in: SemDial 2011: Proceedings of the 15th Workshop on the Semantics and Pragmatics of Dialogue. 178–179.
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Großekathöfer, U., Barchunova, A., Haschke, R., Hermann, T., Franzius, M., & Ritter, H. 2011. “Learning of Object Manipulation Operations from Continuous Multimodal Input”, in: IEEE/RAS International Conference on Humanoid Robots 2011.
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H. Vilhjalmsson, S. Kopp, S. Marsella, & K. Thorisson (Eds). 2011. Intelligent Virtual Agents. LNAI 6895, Heidelberg: Springer-Verlag.
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Lücking, A., Ptock, S., & Bergmann, K. 2011. “Staccato: Segmentation Agreement Calculator according to Thomann”, in: E. Efthimiou & G. Kouroupetroglou (Eds), Proceedings of the 9th International Gesture Workshop: Gestures in Embodied Communication and Human-Computer Interaction. 50–53.
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Sadeghipour, A., & Kopp, S. 2011. “Embodied Behavior Processing in ECAs by Perception-Action Integration”, Presented at the CHI 2011 Workshop: Embodied Interaction: Theory and Practice in HCI, Vancouver, BC, Canada.
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Sadeghipour, A., & Kopp, S. 2011. “Embodied Gesture Processing: Motor-based Perception-Action Integration in Social Artificial Agents”. Cognitive Computation 3(4), 419–435.
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Salem, M., Eyssel, F.A., Rohlfing, K., Kopp, S., & Joublin, F. 2011. “Effects of Gesture on the Perception of Psychological Anthropomorphism: A Case Study with a humanoid robot. Lecture Notes in Computer Science, 7072, page 31-41. Berlin/Heidelberg: Springer. doi: 10.1007/978-3-642-25504-5_4”. Social Robotics, Third International Conference on Social Robotics, ICSR 2011, Amsterdam, The Netherlands, November 24-25, 2011.
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Salem, M. 2011. “Conceptual Motorics - Generation and Analysis of Communicative Robot Gesture”, in: Proceedings of the 2011 Human-Robot Interaction (HRI) Pioneers Workshop. 78–79.
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Salem, M., Kopp, S., Wachsmuth, I., & Joublin, F. 2011. “A Multimodal Scheduler for Synchronized Humanoid Robot Gesture and Speech”, in: Book of Extended Abstracts of the 9th International Gesture Workshop (GW2011). 64–67.
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Salem, M., Rohlfing, K., Kopp, S., & Joublin, F. 2011. “A Friendly Gesture: Investigating the Effect of Multi-Modal Robot Behavior in Human-Robot Interaction”, in: Proceedings of the 20th IEEE International Symposium on Robot and Human Interactive Communication. 247–252.
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Yaghoubzadeh, R., & Kopp, S. 2011. “Creating familiarity through adaptive behavior generation in human-agent interaction”, in: H. Vilhjálmsson, S. Kopp, S. Marsella, & K. Thórisson (Eds), Proceedings of the 11th International Conference on Intelligent Virtual Agents, LNCS (LNAI) 6895.Berlin, Heidelberg: Springer, 195–201.
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Yaghoubzadeh, R. 2011. “FamCHAI: An Adaptive Calendar Dialogue System”, in: J. Konstan, R. Conejo, J.L. Marzo, & N. Oliver (Eds), Proceedings of the 19th International Conference on User Modeling, Adaptation, and Personalization, LNCS 6787.Berlin, Heidelberg: Springer, 458–461.
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 2010

van der Sluis, I., Bergmann, K., van Hooijdonk, C., & Theune, M. 2010. “Proceedings of the 3rd Workshop on Multimodal Output Generation”, in: MOG 2010.Twente/Enschede, NL: CTIT.
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Lücking, A., Bergmann, K., Hahn, F., Kopp, S., & Rieser, H. 2010. “The Bielefeld Speech and Gesture Alignment Corpus (SaGA)”, in: M. Kipp, J.-P. Martin, P. Paggio, & D. Heylen (Eds), LREC 2010 Workshop: Multimodal Corpora–Advances in Capturing, Coding and Analyzing Multimodality. 92–98.
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Bergmann, K., & Kopp, S. 2010. “Systematicity and Idiosyncrasy in Iconic Gesture Use: Empirical Analysis and Computational Modeling”, in: S. Kopp & I. Wachsmuth (Eds), Gesture in Embodied Communication and Human-Computer Interaction.Berlin/Heidelberg, Germany: Springer, 182–194.
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Bergmann, K., & Kopp, S. 2010. “Modeling the Production of Coverbal Iconic Gestures by Learning Bayesian Decision Networks”. Applied Artificial Intelligence 24(6), 530–551.
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Bergmann, K., Kopp, S., & Eyssel, F.A. 2010. “Individualized Gesturing Outperforms Average Gesturing – Evaluating Gesture Production in Virtual Humans”, in: J. Allbeck, N. Badler, T. Bickmore, C. Pelachaud, & A. Safonova (Eds), Proceedings of the 10th International Conference on Intelligent Virtual Agents (LNCS 6356).Berlin/Heidelberg, Germany: Springer, 104–117.
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Schlangen, D., Baumann, T., Buschmeier, H., Kopp, S., Skantze, G., & Yaghoubzadeh, R. 2010. “Middleware for Incremental Processing in Conversational Agents”, in: Proceedings of SIGDIAL 2010: the 11th Annual Meeting of the Special Interest Group in Discourse and Dialogue.Association for Computational Linguistics, 51–54.
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Buschmeier, H., Bergmann, K., & Kopp, S. 2010. “Adaptive Expressiveness – Virtual Conversational Agents That Can Align to Their Interaction Partner”, in: W. van der Hoek, G.A. Kaminka, M. Luck, & S. Sen (Eds), Proceedings of the 9th International Conference on Autonomous Agents and Multiagent Systems.International Foundation for Autonomous Agents and Multiagent Systems, 91–98.
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Buschmeier, H., Bergmann, K., & Kopp, S. 2010. “Modelling and Evaluation of Lexical and Syntactic Alignment with a Priming-Based Microplanner”, in: E. Krahmer & M. Theune (Eds), Empiricial Methods in Natural Language Generation, Lecture Notes in Computer Science; 5790.Berlin/Heidelberg, Germany: Springer, 85–104.
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Buschmeier, H., Malisz, Z., Wagner, P., & Wlodarczak, M. 2010. “Engagement related features in German feedback expressions”, in: Proceedings of Phonetik und Phonologie Tagung (P&P2010).
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Hellmann, S.M., Buschmeier, H., Bergmann, K., Weiß, P., & Kopp, S. 2010. “Does Alignment Shape the Production of Verbal Referring Expressions?”, in: Proceedings of the 10th Biannual Meeting of the German Society for Cognitive Science. 116–117.
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Wöhler, N., Großekathöfer, U., Dierker, A., Hanheide, M., Kopp, S., & Hermann, T. 2010. “A calibration-free head gesture recognition system with online capability”, in: International Conference on Pattern Recognition.IEEE Computer Society, 3814–3817.
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Großhauser, T., Großekathöfer, U., & Hermann, T. 2010. “New Sensors and Pattern Recognition Techniques for String Instruments”, in: K. Beilharz, A. Johnston, S. Ferguson, & A.Y.-C. Chen (Eds), Sydney, Australia.Proceedings of the 2010 Conference on New Interfaces for Musical Expression (NIME 2010): International Conference on New Interfaces for Musical Expression, 271–276.
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Cimiano, P., & Kopp, S. 2010. “Accessing the Web of Data through Embodied Virtual Characters”. Semantic Web Journal 1(1-2), 83–88.
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Kopp, S. 2010. “Social resonance and embodied coordination in face-to-face conversation with artificial interlocutors”. Speech Communication 52(6), 587–597.
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S. Kopp & I. Wachsmuth (Eds). 2010. Gesture in Embodied Communication and Human-Computer Interaction. LNAI 5934, Berlin, Heidelberg: Springer.
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Krämer, N., Hoffmann, L., & Kopp, S. 2010. “Know Your Users! Empirical Results for Tailoring an Agent´s Nonverbal Behavior to Different User Groups”, in: Proc. of Intelligent Virtual Agents (IVA 2010). Lecture Notes in Computer Science, 6356, 6356.Berlin, Heidelberg: Springer, 468–474.
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Kroeger, B.J., Kopp, S., & Lowit, A. 2010. “A model for production, perception, and acquisition of actions in face-to-face communication”. Cognitive Processing 11(3), 187–205.
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Kopp, S., Aylett, R., Gratch, J., Olivier, P.L., & Pelachaud, C. 2010. “Guest editorial of the special issue on intelligent virtual agents”. AUTONOMOUS AGENTS AND MULTI-AGENT SYSTEMS 20(1), 1–2.
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Buch, A., & Pietsch, C. 2010. “Measuring Syntactic Priming in Dialog Corpora”, in: Proceedings of the Conference on Linguistic Evidence. Empirical, theoretical and computational perspectives.Tübingen: Eberhard-Karls-Universität.
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Salem, M., Kopp, S., Wachsmuth, I., & Joublin, F. 2010. “Towards an integrated model of speech and gesture production for multi-modal robot behavior”, in: Proceedings of the 2010 IEEE International Symposium on Robot and Human Interactive Communication. 649–654.
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Salem, M., Kopp, S., Wachsmuth, I., & Joublin, F. 2010. “Generating robot gesture using a virtual agent framework”, in: Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems. 3592–3597.
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Salem, M., Kopp, S., Wachsmuth, I., & Joublin, F. 2010. “Generating multi-modal robot behavior based on a virtual agent framework”, in: Proceedings of the ICRA 2010 Workshop on Interactive Communication for Autonomous Intelligent Robots (ICAIR). 23–25.
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 2009

Bergmann, K., & Kopp, S. 2009. “Increasing expressiveness for virtual agents - Autonomous generation of speech and gesture for spatial description tasks”, in: K. Decker, J. Sichman, G. Sierra, & C. Castelfranchi (Eds), Proceedings of the 8th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2009).Ann Arbor, MI: IFAAMAS, 361–368.
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Bergmann, K., & Kopp, S. 2009. “GNetIc - Using Bayesian Decision Networks for Iconic Gesture Generation”, in: Z. Ruttkay, M. Kipp, A. Nijholt, & H. Vilhjálmsson (Eds), Proceedings of the 9th International Conference on Intelligent Virtual Agents (LNAI 5773).Berlin/Heidelberg, Germany: Springer, 76–89.
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Buschmeier, H., Bergmann, K., & Kopp, S. 2009. “An Alignment-capable Microplanner for Natural Language Generation”, in: Proceedings of the 12th European Workshop on Natural Language Generation.Association for Computational Linguistics, 82–89.
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Kopp, S., Bergmann, K., Buschmeier, H., & Sadeghipour, A. 2009. “Requirements and Building Blocks for Sociable Embodied Agents”, in: B. Mertsching, M. Hund, & Z. Aziz (Eds), KI 2009: Advances in Artificial Intelligence.Berlin, Heidelberg: Springer, 508–515.
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Kopp, S. 2009. “Social Adaptation in Conversational Agents”. PerAda Magazine (EU Coordination Action on Pervasive Adaptation).
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Hoffmann, L., Krämer, N.C., Lam-chi, A., & Kopp, S. 2009. “Media Equation Revisited: Do Users Show Polite Reactions towards an Embodied Agent?”, in: Proc. of Intelligent Virtual Agents (IVA 2009). Lecture Notes in Computer Science, 5773.Berlin, Heidelberg: Springer, 159–165.
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Steggemann, Y., Kopp, S., & Weigelt, M. 2009. “Wie der virtuelle Agent MAX versteht, was wir können: Die multimodale Vermittlung komplexer Bewegungsaufgaben und deren Überprüfung mit Hilfe der SDA-M Methode”, in: M. Krüger (Ed), Bildungspotenziale im Sport.Münster, 378.
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von der Pütten, A., Reipen, C., Wiedmann, A., Kopp, S., & Krämer, N.C. 2009. “The Impact of Different Embodied Agent-Feedback on User's Behavior”, in: Z. Ruttkay (Ed), Intelligent virtual agents: Proceedings 9th International Conference. LNAI, 5773.Berlin: Springer, 549–551.
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Sadeghipour, A., & Kopp, S. 2009. “A Probabilistic Model of Motor Resonance for Embodied Gesture Perception”, in: Z. Ruttkay, M. Kipp, A. Nijholt, & H. Vilhjamsson (Eds), Intelligent Virtual Agents, 5773.Berlin, Heidelberg: Springer, 90–103.
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Sadeghipour, A., Yaghoubzadeh, R., Rüter, A., & Kopp, S. 2009. “Social motorics - towards an embodied basis of social human-robot interaction”, in: R. Dillmann, D. Vernon, Y. Nakamura, S. Schaal, H. Ritter, G. Sagerer, et al. (Eds), Human Centered Robot Systems, 6.Berlin, Heidelberg: Springer, 193–203.
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Salem, M., Kopp, S., Wachsmuth, I., & Joublin, F. 2009. “Towards meaningful robot gesture”, in: H. Ritter, G. Sagerer, R. Dillmann, & M. Buss (Eds), Human Centered Robot Systems.Berlin: Springer, 173–182.
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 2008

Bergmann, K., & Kopp, S. 2008. “Multimodal Content Representation for Speech and Gesture Production”, in: M. Theune, I. van der Sluis, Y. Bachvarova, & E. André (Eds), Symposium at the AISB Annual Convention: Multimodal Output Generation.Aberdeen, UK: SSAISB, 61–68.
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Becker, C., Kopp, S., Pfeiffer-Leßmann, N., & Wachsmuth, I. 2008. “Virtual humans growing up: from primary towards secondary emotions”. Künstliche Intelligenz 2008(1), 23–27.
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Kopp, S., Bergmann, K., & Wachsmuth, I. 2008. “Multimodal Communication from Multimodal Thinking - Towards an Integrated Model of Speech and Gesture Production”. Semantic Computing 2(1), 115–136.
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Sommer, N., Krämer, N., Kopp, S., & Becker, C. 2008. “Keep smiling: An embodied agents impact on users evaluation and smiling behavior”, in: INTERNATIONAL JOURNAL OF PSYCHOLOGY, 43.PSYCHOLOGY PRESS, 221–221.
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Weitnauer, E., Thomas, N., Rabe, F., & Kopp, S. 2008. “Intelligent Agents Living in Social Virtual Environments – Bringing Max into Second Life”, in: Proc. of Intelligent Virtual Agents (IVA 2008). LNAI, 5208.Berlin/Heidelberg, Germany: Springer, 552–553.
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Breuing, A., Pfeiffer, T., & Kopp, S. 2008. “Conversational Interface Agents for the Semantic Web - a Case Study”, in: C. Bizer & A. Joshi (Eds), Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC 2008).Karlsruhe, Germany.
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Sowa, T., Kopp, S., Duncan, S., McNeill, D., & Wachsmuth, I. 2008. “Implementing a non-modular theory of language production in an embodied conversational agent”, in: I. Wachsmuth, M. Lenzen, & G. Knoblich (Eds), Embodied Communication.Oxford: Oxford University Press, 425–449.
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Kopp, S., Wachsmuth, I., Bonaiuto, J., & Arbib, M. 2008. “Imitation in Embodied Communication – From Monkey Mirror Neurons to Artificial Humans”, in: I. Wachsmuth, M. Lenzen, & G. Knoblich (Eds), Embodied Communication.Oxford: Oxford University Press, 357–390.
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von der Pütten, A., Reipen, C., Wiedmann, A., Kopp, S., & Krämer, N. 2008. “Comparing emotional vs. envelope feedback for ECAs”, in: Proc. of Intelligent Virtual Agents (IVA 2008). LNAI, 5208.Berlin, Heidelberg: Springer, 550–551.
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Heylen, D., Kopp, S., Marsella, S., Pelachaud, C., & Vilhjalmsson, H. 2008. “The Next Step Towards a Functional Markup Language”, in: Proc. of Intelligent Virtual Agents (IVA 2008). LNAI, 5208.Berlin, Heidelberg: Springer, 270–280.
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Kopp, S., Allwood, J., Ahlsen, E., Grammer, K., & Stocksmeier, T. 2008. “Modeling Embodied Feedback in a Virtual Human”, in: I. Wachsmuth & G. Knoblich (Eds), Modeling Communication With Robots And Virtual Humans. LNAI 4930.Berlin, Heidelberg: Springer, 18–37.
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 2007

Bergmann, K., & Kopp, S. 2007. “Co-expressivity of Speech and Gesture: Lessons for Models of Aligned Speech and Gesture Production”, in: P. Olivier & C. Kray (Eds), Symposium at the AISB Annual Convention: Language, Speech and Gesture for Expressive Characters.Newcastle, UK: SSAISB, 153–158.
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Nguyen, N., Wachsmuth, I., & Kopp, S. 2007. “Touch perception and emotional appraisal for a virtual agent”, in: Proceedings Workshop Emotion and Computing - Current Research and Future Impact. 17–22.
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Kopp, S., Rieser, H., Wachsmuth, I., Bergmann, K., & Lücking, A. 2007. “Speech-Gesture Alignment”, in: 3rd Conference of the International Society for Gesture Studies.
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Kopp, S., & Bergmann, K. 2007. “Towards an Architecture for Aligned Speech and Gesture Production”, in: C. Pelachaud, E. André, G. Chollet, K. Karpouzis, & D. Pelé (Eds), Proceedings of the 7th International Conference on Intelligent Virtual Agents.Berlin/Heidelberg, Germany: Springer, 389–390.
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Grammer, K., Kopp, S., Allwood, J., Stockmeyer, T., Ahlsen, E., & Oberzaucher, E. 2007. “Human Machine Interfaces and Embodied Communication”, in: G. Empter & M. Dontschewa (Eds), Informieren mit Computeranimation - Usability Day V.Pabst Science Publishers, 24–37.
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Krämer, N., Simons, N., & Kopp, S. 2007. “The effects of an embodied conversational agent´s nonverbal behavior on user´s evaluation and behavioral mimicry”, in: C. Pelachaud, J.-C. Martin, E. André, G. Chollet, K. Karpouzis, & D. Pelé (Eds), Proc. of Intelligent Virtual Agents (IVA 2007). LNAI, 4722.Berlin, Heidelberg: Springer, 238–251.
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Rohlfing, K., & Kopp, S. 2007. “Meaning in the timing? The emergence of complex pointing patterns”, in: Proc. Symposium on Language & Robots.Aveiro, Portugal, 79–82.
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Allwood, J., Kopp, S., Grammer, K., Ahlsen, E., Oberzaucher, E., & Koppensteiner, M. 2007. “The analysis of embodied communicative feedback in multimodal corpora: a prerequisite for behavior simulation”. Language Resources and Evaluation 41(3-4), 255–272.
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Becker, C., Kopp, S., & Wachsmuth, I. 2007. “Why Emotions Should be Integrated into Conversational Agents”, in: T. Nishida (Ed), Engineering Approaches to Conversational Informatics.Chichester: John Wiley & Sons, 49–68.
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Simons, N., Krämer, N., & Kopp, S. 2007. “The effects of an embodied conversationational agent's subtle nonverbal behavior on user's evaluation and behavioral mimicry”, in: Proc. of the 57th Annual Conference of the International Communication Association.
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Kopp, S., Stocksmeier, T., & Gibbon, D. 2007. “Incremental Multimodal Feedback for Conversational Agents”, in: Proc. of Intelligent Virtual Agents (IVA 2007). LNAI, 4722.Berlin, Heidelberg,: Springer, 139–146.
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Vilhjalmsson, H., Cantelmo, N., Cassell, J., Chafai, N.E., Kipp, M., & Kopp, S. 2007. “The Behavior Markup Language: Recent Developments and Challenges”, in: Proc. of Intelligent Virtual Agents (IVA 2007). LNAI, 4722.Berlin, Heidelberg: Springer, 99–111.
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Stocksmeier, T., Kopp, S., & Gibbon, D. 2007. “Synthesis of prosodic attitudinal variants in German backchannel 'ja'”, in: Proceedings of Interspeech 2007.
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Kopp, S., Tepper, P., Striegnitz, K., Ferriman, K., & Cassell, J. 2007. “Trading Spaces: How Humans and Humanoids Use Speech And Gesture to Give Directions”, in: T. Nishida (Ed), Engineering Approaches to Conversational Informatics.John Wiley & Sons, 133–160.
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Mancini, C., Pietsch, C., & Scott, D. 2007. “Visualising Discourse Structure in Interactive Documents”, in: S. Busemann (Ed), DFKI Document D-07-01.Saarbrücken: DFKI GmbH, 89–92.
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Burek, G., Pietsch, C., & De Roeck, A. 2007. “SVO triple based Latent Semantic Analysis for recognising textual entailment”, in: Proceedings of the ACL-PASCAL Workshop on Textual Entailment and Paraphrasing (WTEP).Association for Computational Linguistics, 113–118.
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 2006

Bergmann, K., & Kopp, S. 2006. “Verbal or Visual? How Information is Distributed across Speech and Gesture in Spatial Dialog”, in: D. Schlangen & R. Fernandez (Eds), Proceedings of the 10th Workshop on the Semantics and Pragmatics of Dialogue.Potsdam, Germany: Universitätsverlag, 90–97.
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Becker, C., Leßmann, N., Kopp, S., & Wachsmuth, I. 2006. “Connecting Feelings and Thoughts - Modeling the Interaction of Emotion and Cognition in Embodied Agents”, in: Proceedings of the 7th International Conference on Cognitive Modeling. 32–37.
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Kopp, S. 2006. How People Talk to a Virtual Human - Conversations From a Real-World Application. How People Talk to Computers, Robots, and Other Artificial Interaction Partners, SFB/TR 8 Report No. 010-09/2006, Bremen, Germany.
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S. Kopp, C. Becker, & I. Wachsmuth (Eds). 2006. The Virtual Human Max – Modeling Embodied Conversation. KI 2006 – Demo Presentation, Extended Abstracts.
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Thorisson, K.R., Vilhjamsson, H., Pelachaud, C., Kopp, S., Badler, N., Johnson, W.L., et al. 2006. “Report on Representations for Multimodal Generation Workshop.”. AI Magazine 27(1), 108.
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Kopp, S. 2006. Surface Realization of Multimodal Behavior from XML Representations in MURML. Reykjavik: Workshop on Multimodal Behavior Generation.
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Leßmann, N., Kopp, S., & Wachsmuth, I. 2006. “Situated Interaction with a Virtual Human – Perception, Action, and Cognition.”, in: G. Rickheit & I. Wachsmuth (Eds), Situated Communication.Mouton de Gruyter, 287–323.
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Kopp, S., Krenn, B., Marsella, S., Marshall, A., Pelachaud, C., Pirker, H., et al. 2006. “Towards a Common Framework for Multimodal Generation in ECAs: The Behavior Markup Language”, in: J. Gratch (Ed), Proc. Intelligent Virtual Agents 2006.Berlin, Germany: Springer-Verlag, LNAI 4133, 205–217.
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Kopp, S., & Graeser, O. 2006. “Imitation learning and response facilitation in embodied agents”, in: INTELLIGENT VIRTUAL AGENTS, PROCEEDINGS, 4133.SPRINGER-VERLAG BERLIN, 28–41.
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Kopp, S., Krenn, B., Marsella, S., Marshall, A.N., Pelachaud, C., Pirker, H., et al. 2006. “Towards a common framework for multimodal generation: The behavior markup language”, in: INTELLIGENT VIRTUAL AGENTS, PROCEEDINGS, 4133.SPRINGER-VERLAG BERLIN, 205–217.
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Åhlfeldt, H., Borin, L., Grabar, N., Hallett, C., Hardcastle, D., Kokkinakis, D., et al. 2006. Literature Review on Patient-Friendly Documentation Systems. Milton Keynes, UK: Centre for Research in Computing, The Open University.
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 2005

Leßmann, N., & Kopp, S. 2005. “Engagement in Collaborative Construction Tasks with Max.”, in: Working Notes AAMAS '05 Workshop on Creating Bonds with ECAs. 76–83.
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Kopp, S., Gesellensetter, L., Kramer, N.C., & Wachsmuth, I. 2005. “A conversational agent as museum guide - Design and evaluation of a real-world application”, in: T. Panayiotopoulos (Ed), Intelligent Virtual Agents, Proceedings, 3661.Berlin: Springer, 329–343.
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Kopp, S. 2005. “The spatial specificity of iconic gestures”, in: K. Opwis & K. Penner (Eds), Proceedings of KogWis05 the 7th Conference of theGerman Cognitive Science Society.Basel: Schwabe, 112–117.
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 2004

Kopp, S., & Wachsmuth, I. 2004. “Synthesizing multimodal utterances for conversational agents”. Computer Animation and Virtual Worlds 15(1), 39–52.
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Kopp, S., Sowa, T., & Wachsmuth, I. 2004. “Imitation games with an artificial agents: From mimicking to understanding shape-related iconic gestures”, in: A. Camurri & G. Volpe (Eds), Gesture-Based Communication in Human-Computer Interaction. LNAI 2915.Berlin, Heidelberg: Springer, 436–447.
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Becker, C., Kopp, S., & Wachsmuth, I. 2004. “Simulating the emotion dynamics of a multimodal conversational agent”, in: Proc. of the Int. Conference on Affective Dialogue Systems (ADS'04). LNAI, 3068.Berlin: Springer, 154–165.
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Tepper, P., Kopp, S., & Cassell, J. 2004. “Content in Context: Generating Language and Iconic Gestures without a Gestionary”, in: AAMAS '04 Workshop on Balanced Perception and Action for Embodied Conversational Agents. 79–86.
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Kopp, S., Tepper, P., & Cassell, J. 2004. “Towards Integrated Microplanning of Language and Iconic Gesture for Multimodal Output”, in: Proceedings of the International Conference on Multimodal Interfaces (ICMI'04).ACM Press, 97–104.
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 2003

Kopp, S. 2003. Synthese und Koordination von Sprache und Gestik fuer Virtuelle Multimodale Agenten. Berlin: Akademische Verlagssgesellschaft.
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Kopp, S., Jung, B., Lessmann, N., & Wachsmuth, I. 2003. “Max - A Multimodal Assistant in Virtual Reality Construction”. KI - Künstliche Intelligenz 4(03), 11–17.
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Sowa, T., & Kopp, S. 2003. “A Cognitive Model for the Representation and Processing of Shape-Related Gestures”, in: F. Schmalhofer, R. Young, & G. Katz (Eds), Proceedings of the European Cognitive Science Conference.New Jersey: Lawrence Erlbaum, 441.
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Jung, B., & Kopp, S. 2003. “FlurMax: An interactive virtual agent for entertaining visitors in a hallway”, in: INTELLIGENT VIRTUAL AGENTS, 2792.SPRINGER-VERLAG BERLIN, 23–26.
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 2002

Kranstedt, A., Wachsmuth, I., & Kopp, S. 2002. “MURML: A Multimodal Utterance Representation Markup Language for Conversational Agents”, in: AAMAS'02 Workshop Embodied conversational agents- let's specify and evaluate them!.
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Kopp, S., & Wachsmuth, I. 2002. “Model-based Animation of Coverbal Gesture”, in: Proceedings of Computer Animation 2002.IEEE Press, 252–257.
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Kranstedt, A., Kopp, S., & Wachsmuth, I. 2002. MURML: A Multimodal Utterance Representation Markup Language for Conversational Agents. Technical report SFB 360 Situated Artifical Communicators Bielefeld: Universität Bielefeld.
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Wachsmuth, I., & Kopp, S. 2002. “Lifelike Gesture Synthesis and Timing for Conversational Agents”, in: Gesture and Sign Language in Human-Computer Interaction. Int. Gesture Workshop, GW 2001, London.Berlin, Heidelberg, New York, Springer-Verlag, 120–133.
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 2001

Wachsmuth, I., Voss, I., Sowa, T., Latoschik, M.E., Kopp, S., & Jung, B. 2001. “Multimodale Interaktion in der Virtuellen Realität”, in: H. Oberquelle, R. Oppermann, & J. Krause (Eds), Proceedings 1. Fachübergreifende Konferenz "Mensch & Computer 2001".Stuttgart: Teubner, 265–274.
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Wachsmuth, I., Voss, I., Sowa, T., Latoschik, M.E., Kopp, S., & Jung, B. 2001. “Multimodale Interaktion in der Virtuellen Realität”, in: H. Oberquelle (Ed), Mensch & Computer 2001. Berichte des German Chapter of the ACM, 55.Stuttgart: Teubner, 265–274.
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T. Sowa, M.E. Latoschik, & S. Kopp (Eds). 2001. A Communicative Mediator in a Virtual Environment: Processing of Multimodal Input and Output. Proc. of the International Workshop on Information Presentation and Natural Multimodal Dialogue Verona, Italy.
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Sowa, T., Latoschik, M., & Kopp, S. 2001. “A Communicative Mediator in a Virtual Environment: Processing of Multimodal Input and Output”, in: Proc. of the Int. Workshop on Multimodal Presentation and Natural Multimodal Dialogue - IPNMD 2001.Verona, Italy, ITC/irst, 71–74.
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T. Scheffler & C. Pietsch (Eds). 2001. Proceedings der 29. Studentischen Tagung Sprachwissenschaft. Berlin: Logos Verlag.
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 2000

Kopp, S., & Wachsmuth, I. 2000. “Planning and Motion Control in Lifelike Gesture: A Refined Approach”, in: Proceedings of Computer Animation 2000.IEEE Press, 92–97.
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S. Kopp & I. Wachsmuth (Eds). 2000. A Knowledge-based Approach for Lifelike Gesture Animation. ECAI 2000 - Proceedings of the 14th European Conference on Artificial Intelligence Amsterdam: IOS Press.
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Kopp, S., & Wachsmuth, I. 2000. “Planning and Motion Control in Lifelike Gesture”, in: Proceedings of Computer Animation 2000.IEEE Computer Society Press.
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Wachsmuth, I., & Kopp, S. 2000. “A Knowledge-based Approach for Lifelike Gesture: A Refined Approach”, in: ECAI 2000 - Proc. of the 14th Europ. Conf. on Artificial Intelligence. 663–667.
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Jung, B., Latoschik, M., Sowa, T., Wachsmuth, I., & Kopp, S. 2000. “Virtuelles Konstruieren mit Gestik und Sprache”, in: KI 2/2000. 5–11.
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