{ Journal Publications }

1.  Joana Dimas, Iolanda Leite, Andr Pereira, Pedro Cuba, Rui Prada and Ana Paiva, “Pervasive Pleo: Long-term Attachment with Artificial Pets”, in Workshop on playful experiences in Mobile HCI, Sep. 2010.

  

2. Samuel Mascarenhas and Ana Paiva, “Creating Virtual Synthetic Cultures for Intercultural Training”, in the Proceedings of the 3rd Workshop on Culturally-Aware Tutoring Systems held in conjuction with the International Conference on Intelligent Tutoring Systems, July, 2010.

   3. Iolanda Leite and Andr Pereira and Samuel Mascarenhas and Ginevra Castellano and Carlos Martinho and Rui Prada and Ana Paiva, “Closing the Loop: from Affect Recognition to Empathic Interaction”, Proceedings of the 3rd International Workshop on Affect Interaction in Natural Environments (AFFINE’10), ACM Multimedia 2010, Florence, Italy, ACM Press.

   4. Iolanda Leite, Ginevra Castellano, André Pereira, Carlos Martinho, Ana Paiva and Peter Mc Owan, “Designing a Game Companion for Long-Term Social Interaction”, Workshop on Affective Interaction in Natural Environments - AFFINE 2009 , Nov. 2009.

   5. Iolanda Leite and Carlos Martinho and André Pereira and Ana Paiva, Towards and Empathic Chess Companion, Autonomous Agents and Multiagent Systems - In 2nd Workshop on Empathic Agents, in AAMAS 2009, May. 2009.

   6. Mei Yii Lim João Dias, Ana Paiva and Ruth Aylett and, Intelligent NPCs for educational role play game, Agents for Games and simulation Workshop - In the Autonomous Agents and Multiagent Systems Conference - AAMAS 2009 , May. 2009 .

   7. Ginevra Castellano, Ruth Aylett, Kerstin Dautenhahn, Ana Paiva, Peter McOwan and Steve Ho “Long-term affect sensitive and socially interactive companions”, in “Fourth International Workshop on Human-Computer Conversation”, Bellagio, Italy, 2008, Cits(Scholar)= 5.

   8. Alfredo Junior and Marco Vala and Guilherme Raimundo and João Pereira and Joaquim Jorge and Ana Paiva, EditION: A Collaborative Calligraphic Tool to Manage Virtual Environments, VL/HCC Workshop on Sketch Tools for Diagramming, Jul. 2008 , pp. 37-46.

   9. C. Weiss, L. C. Oliveira, S. Paulo, C. Mendes, L. Figueira, Marco Vala, P. Sequeira, A. Paiva, T. Vogt, E. Andre, “ECIRCUS: Building Voices for Autonomous Speaking Agents”, 6th Speech Synthesis Workshop, Aug. 2007, ISCA.

  10. Rui Figueiredo, Ana Paiva, Ruth Aylett, “Facilitating the Emergence of Educational Stories - Using emergent stories for pedagogical purposes”, NLE Workshop in AIED 2007, Jul. 2007.

  11. Guilherme Raimundo, João Cabral, Celso Melo, Luís C. Oliveira and Ana Paiva, “Telling Stories with a Synthetic Character: Understanding Inter-modalities Relations”, COST workshop, Verbal and Nonverbal Communication Behaviours Lecture Notes in Computer Science, Volume 4775/2007, 2007.

  12. António Brisson, João Dias, A. Paiva, “From Chinese Shadows to Interactive Shadows: Building a storytelling application with autonomous shadows”, AAMAS 2007 - Workshop on Agent-Based Systems for Human Learning and Entertainment (ABSHLE), May. 2007, ACM Press.

  13. G. Raimundo, J. Cabral, C. Melo, L. C. Oliveira, A. Paiva, I. Trancoso, “Telling Stories with a Synthetic Character: Understanding Inter-modalities Relations”, COST Action 2102 International Workshop on Verbal and Nonverbal Communication Behaviours, Mar. 2007, pp. 310-323, Springer.

  14. R. Figueiredo, J. Dias, A. Paiva, R. Aylett, S. Louchart, “Shaping Emergent Narratives for a Pedagogical Application”, NILE - Narrative and Interactive Learning Environments Workshop, Aug. 2006, pp. 27-36.

  15. Ana Paiva, Mafalda Fernandes, António Brisson “Children as Affective Designers I-Shadows Development Process”, HUMAINE workshop, Jun. 2006.

  16. R. Prada, A. Paiva, “Building Believability in Groups of Synthetic Characters”, AAMAS 2004 - Workshop on Coalition and Teams: Formation and Activity, Jul. 2004.

  17. A. Paiva, J. Dias, Daniel Sobral S. Woods and L. Hall, “Building Empathic Lifelike Characters: the proximity factor”, AAMAS 2004 - Workshop on Empathic Agents, New York, Jul. 2004.

  18. J. Gratch, S. Marsella, A. Egges, A. Eliens, K. Isbister, A. Paiva, T. Rist and P. ten Hagen, “Design criteria, techniques and case studies for creating and evaluating interactive experiences with virtual humans” (extended abstract), AAMAS 2004 - Workshop on Embodied Conversational Agents: Balanced Perception and Action, New York, Jul. 2004.

  19. Ana Paiva, Mafalda Fernandes, António Brisson “Designing Aect in an Interactive Chinese Shadows Theater”, HUMAINE workshop, Jun. 2004.

  20. R. Prada, N. Otero, A. Pires, A. Paiva “BeLife: teaching Greenhouse Management Using an Agent-based Simulator”, ABS 2004 - 5th Workshop on Agent-based Simulation, Eds. H. Coelho and B. Espinasse, SCS Press, May. 2004.

  21. A. Vaz and A. Paiva “Using Perspective in Narrative Learning Environments”, in Workshop on Narrative Learning Environments, 2005.

  22. A. Silva, Marco Vala, A. Paiva, “The Storyteller: Building a Synthetic Character that tells Stories”, Proceedings of the Workshop on Representing, Annotating, and Evaluating Non-Verbal and Verbal Communicative Acts to Achieve Contextual Embodied Agents, at Autonomous Agents Conference, 2001.

  23. D. Mourão, A. Paiva, “EToy: Building an affective physical interface” in the proceedings of the 2nd Workshop on Attitude, Personality and Emotions in User-Adapted Interaction, Ed. Fiorella di Rosis, UM Inc, 2001.

  24. A. Paiva, R. Prada, I. Machado, “You cannot use my broom! I’m the witch you’re the prince: Collaboration in Virtual Dramatic Games”, Proceedings of the International Workshop on Collaborative Learning, Japan, Nov. 2000.

  25. I. Machado, A. Paiva, “What are Characters for?”, Proceedings of the Autonomous Agents workshop on Communicative Agents in Intelligent Virtual Environments, Ed. Jan-Torsten Milde, Jun. 2000.

  26. Carlos Martinho, A. Paiva, “No Pain No Gain: Synthetic Muscles for Synthetic Bodies”, Proceedings of the Autonomous Agents Workshop on Achieving Human-Like Behaviour in Interactive Animated Agents, Ed. Jeff Rickel, Jun. 2000.

  27. A. Paiva, Carlos Martinho, I. Machado, “A Cognitive Approach to Affective User Modeling”, in Affective Interactions: Towards a New Generation of Interfaces, Ed. A. Paiva & Carlos Martinho, WS at the I3 Conference, 1999.

  28. I. Machado, A. Paiva, “Heroes, Villains, Magicians: Believable Characters in a Story Creation Environment”, AIED Workshop on Instructional Uses of Synthetic Characters, Ed. Lewis Johnson, 1999.

  29. A. Paiva, I. Machado, Carlos Martinho, “Enriching Pedagogical Agents with Emotional Behaviour: The case of Vincent”, AIED Workshop on Instructional Uses of Synthetic Characters, Ed. Lewis Johnson, 1999.

  30. Carlos Martinho, A. Paiva, “Developing Pathematic Agents”, WS on Emotion Based Architectures - at Autonomous Agents’99, Ed. J. Velasquez, 1999.

  31. A. Martins, I. Machado, A. Paiva, “A KQML Based Communication Framework for Multi-Agent ILEs” in ITS Workshop on Pedagogical Agents, Ed. C. Frasson, 1998.

  32. Carlos Martinho, A. Paiva, M. R. Gomes, “Tristão and Isolda, Synthetic Dolphins with Emotions”, ECAI WS on Artificial Life and Entertainment, Brighton, 1998.

  33. A. Paiva, “Communicating with Learner Modeling Agents” in Architectures and Methods for Designing Cost-Effective and reusable ITSs workshop, Ed. B. Cheikes, N. Jacobstein, T. Murray and D. Suthers, 1996.

  34. A. Paiva, “Towards a Consensus on the Communication Between User Modeling Agents and Application Agents”, Workshop on Standardisation of User Modeling Shells in the International Conference on User Modeling (UM96), Hawaii, 1996.

  35. A. Paiva, H. Coelho, “Stereotypical Based User Models Representation and Reasoning”, Proceedings of the ERCIM Workshop on Technical and Experimental Aspects of Knowledge Representation, Pisa (Italy), May 21-22, 1992.

  36. A. Paiva, H. Coelho, C. Sêrro, “Modeling User’s Goals and Knowledge”, Proceedings of the IJCAI Workshop W.4 - Agent Modeling for Intelligent Interaction Ed. Judy Kay and Alex Quilici, 1991.

# Carlos Martinho, Ana Paiva, “Anticipation and Believability” in “The Challenge of Anticipation- A Unifying Framework for the Analysis and Design of Artificial Cognitive Systems”, Giovanni Pezzulo, Martin V. Butz, Cristiano Castelfranchi and Rino Falcone (Eds), LNCS, Springer, 2008.

# Giovanni Pezzulo, Martin V. Butz, Cristiano Castelfranchi, Rino Falcone, Gianluca Baldassarre, Christian Balkenius, Alexander Frster, Maurice Grinberg, Oliver Herbort, Kiril Kiryazov, Boicho N. Kokinov, Birger Johansson, Emilian Lalev, Emiliano Lorini, Carlos Martinho, Maria Miceli, Dimitri Ognibene, Ana Paiva, Georgi Petkov, Michele Piunti, Vin Thorsteinsdottir: “Endowing Artificial Systems with Anticipatory Capabilities: Success Cases.” in “The Challenge of Anticipation- A Unifying Framework for the Analysis and Design of Artificial Cognitive Systems”, Giovanni Pezzulo, Martin V. Butz, Cristiano Castelfranchi and Rino Falcone (Eds), pp. 237-254 , LNCS, Springer, 2008.

# Marco Vala, Ana Paiva and Mario Rui Gomes , “Affective bodies for affective interactions” in “Animating Expressive Characters for Social Interaction”, Lola Cañamero and Ruth Aylett (Eds), John Benjamin Publishing Company, 2008.

# Ruth Aylett, Ana Paiva, Sarah Woods, Lynne Hall and Carsten Zoll, “Expressive Characters in Anti-bullying education”, in “Animating Expressive Characters for Social Interaction”, Lola Cañamero and Ruth Aylett (Eds), John Benjamins Publishing Company, 2008.

# Rui Prada and Ana Paiva, “Social Intelligence in Virtual Groups” in “New Advances in Virtual Humans”, N. Magnenat-Thalmann, L. Jain and N. Ichalkaranje (Eds), Springer, 2008.

# Celso de Melo and Ana Paiva, “Modeling Gesticulation Expression in Virtual Humans”, in “New Advances in Virtual Humans”, by N. Magnenat-Thalmann, L. Jain and N. Ichalkaranje (Eds), Springer, 2008

# Ulrich Hoppe, A. Lingnau, Frank Tewissen, Isabel Machado, Ana Paiva and Rui Prada, “Supporting collaborative activities in computer-integrated classrooms - the NIMIS approach”, in “The Role of Technology in CSCL”, H. Hoppe, H. Ogata and A. Soller (Eds.), 2007, 121-138, Springer.

# Ana Vaz and Ana Paiva, “Can character perspective induce reflection? - Using perspective in narrative learning environments”, in “Technology-Mediated Narrative Environments for Learning”, G. Dettori, T. Giannetti, A. Paiva and A. Vaz (Eds.), Jan. 2006, 133-142, Sense Publishers.

# Ruth Aylett, Ana Paiva, Sarah Woods, Lynne Hall and Carsten Zoll, “Expressive Characters in Anti-bullying Education”, in “Animating Expressive Characters for Social Interactions”, R. Aylett and L. Cañamero (Eds.), Advances in Consciousness Research, John Benjamins Publishing Company, 2004.

# Ana Paiva, Rui Prada, Isabel Machado, Carlos Martinho, Marco Vala, & Andre Silva, “Playing with Agents - Agents in Social and Dramatic Games”, in “Life-Like Characters”, H. Prendinger and M. Ishizuka (Eds.), Springer, 2003.

# Marco Vala, Mário Rui Gomes & Ana Paiva, “Affective Bodies for Affective Interactions”, in “Animating Expressive Characters for Social Interactions”, R. Aylett and L. Cañamero (Eds.), Advances in Consciousness Research, John Benjamins Publishing Company, 2004.

# Isabel Machado & Ana Paiva “Me, My character and the Others”, in “Socially Intelligent Agents - creating relationships with computers and robots”, K. Dautenhahn, A. Bond, L. Canamero, B. Edmonds (Eds.), Kluwer Academic Publishers, 2002.

# Ana Paiva, “Affective Interactions: towards a new generation of interfaces?”, in “Affective Interactions”, A. Paiva (Ed.), Lecture Notes on Artificial Intelligence, LNAI 1814, Springer, 2000.

# Carlos Martinho, Machado I. & Paiva, A., “A Cognitive Approach to Affective User Modelling”, in “Affective Interactions”, A. Paiva (Ed.), Lecture Notes on Artificial Intelligence, LNAI 1814, Springer, 2000.

# Carlos Martinho & Paiva, A., “Underwater Love: Building Tristão and Isoldas Personalities”, in “Artificial Intelligence Today: Recent Trends and Developments”, Mike Wooldridge and M. Veloso (Eds.), Lecture Notes in Artificial Intelligence, LNAI 1600, Springer, 1999.

# Paiva, A., “New Approaches for Collaborative Learning and Group Activities”, in “The Virtual Campus”, F. Verdejo & G. Davis (Eds.), Pub. Chapman & Hall, 1998.

{  Book Chapters }

# Rui Figueiredo and Ana Paiva, “I want to slay that dragon” - Influencing choice in interactive storytelling”, in the 3rd International Conference on Virtual Storytelling, ICIDS 2010, Edinburgh, Springer, 2010.

# António Brisson Lopes and Ana Paiva, “Something’s Gotta Give - Towards Distributed Autonomous Story Appraisal in Improv”, in the 3rd International Conference on Virtual Storytelling, ICIDS 2010, Edinburgh, Springer, 2010.

# Rui Figueiredo and Ana Paiva “Affecting Choices in Interactive Storytelling”, in “AAAI Fall Symposium on Computational Models of Narrative”, AAAI Press, 2010.

# Iolanda Leite, André Pereira, Carlos Martinho, Rui Prada and Ana Paiva “Why Can’t We Be Friends? An Empathic Game Companion for Long-Term Interaction”, in 10th International Conference on Intelligent Virtual Agents Conference, IVA’10, Springer, 2010.

# João Dias, Tiago Doce, Rui Prada and Ana Paiva, “Creating Individual Agents through Personality Traits”, in the 10th International Conference on Intelligent Virtual Agents Conference, IVA’10, Springer, 2010.

# Joana Campos and Ana Paiva, “MAY: My memories are yours”, in the 10th International Conference on Intelligent Virtual Agents, IVA’10, Springer, 2010.

# Ginevra Castellano, Iolanda Leite, André Pereira, Carlos Martinho, Ana Paiva and Peter Mc Owan , “Inter-ACT: An Affective and Contextually Rich Multimodal Video Corpus for Studying Interaction with Robots”, in ACM Multimedia’2010, ACM Press, 2010.

# André Gonçalves, Ana Paiva and Eduardo Lopes, The music of paintings: a rhythmic perspective, Generative Art International Conference , Italy, GA Dec. 2009.

# Ginevra Castellano , Iolanda Leite, André Pereira, Ana Paiva and Peter Mc Owan, “Detecting user engagement with a robot companion using task and social interaction-based features”, In the International Conference on Multimodal Interfaces - ICMI 2009, pp. 119–126 , ACM Press.

# Fernando Sérgio Rodrigues, Samuel Mascarenhas, João Dias and Ana Paiva, “I can feel it too!”: Emergent empathic reactions between synthetic characters”, in the 3rd International Conference on Affective Computing & Intelligent Interaction - ACII’2009, IEEE Press.

# Ginevra Castellano and Iolanda Leite and Andr Pereira and Carlos Martinho and Ana Paiva and Peter McOwan “It’s all in the game: Towards an affect sensitive and context aware game companion”, in the 3rd International Conference on Affective Computing & Intelligent Interaction - ACII’2009, IEEE Press.

# João Bispo and Ana Paiva “A Model for Emotional Contagion Based on the Emotional Contagion Scale”, in the 3rd International Conference on Affective Computing & Intelligent Interaction - ACII’2009, IEEE Press.

# Iolanda Leite, André Pereira, Carlos Martinho and Ana Paiva, “As Time goes by: Long-term evaluation of social presence in robotic companions”, RO-MAN- Proceedings of the 18th IEEE International Symposium on Robot and Human Interactive Communication 2009, Sep. 2009 , pp. 669–674 , IEEE Press.

# António Brisson Lopes, António Leonardo & Ana Paiva and, “Influence of Music and Sounds in an Agent-Based Storytelling Environment”, In the 9th International Conference on Intelligent Virtual Agents - IVA’2009, Springer.

# Marco Vala, and Guilherme Raimundo, Pedro Sequeira, Pedro Cuba, Rui Prada, Carlos Martinho and Ana Paiva “ION Framework - A Simulation Environment for Worlds with Virtual Agents”, In the 9th International Conference on Intelligent Virtual Agents - IVA’2009, Springer.

# Samuel Mascarenhas, João Dias, Rui Prada and Ana Paiva “One for all or one for one? The influence of Cultural Dimensions in Virtual Agents”, In the 9th International Conference on Intelligent Virtual Agents - IVA’2009, Springer.

# Eva Hudlicka, Sabine Payr, Rodrigo Ventura, Christian Becker-Asano, Klaus Fischer, Iolanda Leite and Ana Paiva and C. Von, “Social interaction with robots and agents: Where do we stand, where do we go?”, in the 3rd International Conference on Affective Computing & Intelligent Interaction Conference - ACII’2009, Sep. 2009 , IEEE Press.

# Ruth Aylett, Natalie Vannini, Elisabeth André, Ana Paiva, Sibylle Enz, Lynne E. Hall: “But that was in another country: agents and intercultural empathy”. in the International Conference on Autonomous Agents and Multiagent Systems, AAMAS (1) 2009, IFAAMAS. .

# Samuel Mascarenhas, João Dias, Nuno Afonso, Sybille Enz and Ana Paiva “Using rituals to express cultural differences in synthetic character”, in the International Conference on Autonomous Agents and Multiagent Systems, AAMAS (1) 2009, IFAAMAS. (an A* conference and rated as type B by IST). Cits(Scholar)=5.

# Mei Yii Lim, João Dias, Ruth Aylett and Ana Paiva, “Improving Adaptiveness in Autonomous Character’s”, in the 8th International Conference on Intelligent Virtual Agents (IVA 2008), Sep. 2008 , pp. 348-355 , Springer Berlin / Heidelberg.

# Iolanda Leite, André Pereira, Carlos Martinho and Ana Paiva, “Are emotional robots more fun to play with?”, RO-MAN’2008 (The 17th IEEE International Symposium on Robot and Human Interactive Communication), Aug. 2008 , pp. 77-82 , IEEE Computer Society.

# André Pereira, Carlos Martinho, Iolanda Leite and A. Paiva, “iCat, the chess player: the influence of embodiment

in the enjoyment of a game”, 7th international conference on Autonomous agents and multiagent systems (AAMAS 2008), May. 2008, pp. 1253-1256, IFAAMAS.

# Iolanda Leite, Carlos Martinho, A. Pereira and A. Paiva, “iCat: an affective game buddy based on anticipatory mechanisms”, 7th international conference on Autonomous Agents and Multiagent Systems (AAMAS 2008), May. 2008, pp. 1229-1232, IFAAMAS.

# Pedro Sequeira, Ana Paiva, “Learning to interact: connecting perception with action in virtual environments”, 7th international conference on Autonomous Agents and Multiagent Systems (AAMAS 2008), May. 2008, pp. 1257-1260, IFAAMAS.

# Tiago Alves, Ana Rita Simões, Rui Figueiredo, Marco Vala, Ana Paiva and Ruth Aylett, “So tell me what happened: turning agent-based interactive drama into comics”, 7th international conference on Autonomous Agents and Multiagent Systems (AAMAS 2008), May. 2008, pp. 1269-1272, IFAAMAS.

# Eva Hudlicka, Christine Lisetti, Diane Hodge, Ana Paiva, Albert Rizzo and Eric Wagner, “Panel on Artificial Agents for Psychotherapy”, in the Proceedings of the AAAI Spring Symposium on Emotion, Personality and Social Behavior, TR SS-08-04, 60-64. Menlo Park, CA: AAAI.

# Rui Figueiredo, Antonio Brisson, Ruth Aylett and Ana Paiva, “Emergent Stories Facilitated: An architecture to generate stories using intelligent synthetic characters”, in International Conference on Interactive Digital Storytelling, ICIDS’08, Springer.

# Ruth Aylett, Marco Vala, Pedro Sequeira and Ana Paiva, “FearNot! - An Emergent Narrative Approach to Virtual Dramas for Anti-bullying Education”, International Conference on Virtual Storytelling 2007, Dec. 2007, pp. 202-205, Springer, 2007. Cits(ISI)=4, Cits(Scholar)=8.

# Antonio Brisson and Ana Paiva, “Are we Telling the Same Story?, AAAI Fall Symposium on Intelligent Narrative Technologies”, Nov. 2007, AAAI Press, 2007. Cits(Scholar) =3.

# Sybille Enz, Carsten Zoll, Natalie Vannini, W. Schneider, Lynne Hall, Ana Paiva and Ruth Aylett, “Emotional Learning in Primary Schools: FearNot! An Anti-bullying intervention based on Virtual Role Play with Intelligent Synthetic Characters”, 6th European Conference on e-Learning (ECEL) 2007, Oct. 2007. Cits(Scholar) = 1.

# Celso Melo and Ana Paiva, “Expression of Emotions in Virtual Humans Using Lights, Shadows, Composition and Filters”, ACII 2007, Sep. 2007, pp. 546-557, Springer, 2007. Cits(Scholar) = 1.

# Tiago Alves, Ana Rita Simões, Marco Vala, Ana Paiva, A. McMichael and Ruth Aylett, “From IVAs to Comics Generating Comic Strips from Emergent Stories with Autonomous Characters”, IVA 2007, Sep. 2007, pp. 350-351, Springer, 2007.

# João Dias, W. C. Ho, Truid Vogt, Natalie Beeckman, Ana Paiva, Elisabeth André, “I Know What I Did Last Summer: Autobiographic Memory in Synthetic Characters”, ACII 2007- Second International Conference on Affective Computing and Intelligent Interaction, Sep. 2007, pp. 606-617, Springer, 2007.

# Ricardo Cruz, António Brisson, Ana Paiva, Eduardo Lopes, “I-Sounds”, International Conference on Affective Computing & Intelligent Interaction - ACII 2007, Sep. 2007, pp. 766-767, Springer.

# Carlos Martinho, Ana Paiva, “It’s all in the anticipation”,In the 7th International Conference on Intelligent Virtual Agents -IVA 2007, Sep. 2007, pp. 331-338, Springer.

# Tiago Alves, Adrian McMichael, Ana Rita Simões, Marco Vala, Ana Paiva, Ruth Aylett, “Comics2D: Describing and Creating Comics from Story-Based Applications with Autonomous Characters”, International Conference on Computer Animation and Social Agents, CASA 2007, Jun. 2007.

# Rui Prada, Nuno Otero, Ana Paiva, “The user in the group: evaluating the effects of autonomous group dynamics”, ACE 2007 - International Conference on Advances in Computer Entertainment Technology, Jun. 2007, pp. 25-32, ACM Press.

# Pedro Sequeira, Marco Vala, Ana Paiva, “What can I do with this? - Finding Possible Interactions between Characters and Objects”, AAMAS 2007 - International Conference on Autonomous Agents and Multiagent Systems, May 2007, ACM Press.

# H. Wo, João Dias, Rui Figueiredo, Ana Paiva, “Agents that remember can tell stories: Integrating Autobiographic Memory into Emotional Agents”, AAMAS 2007, May. 2007, ACM Press.

# Celso Melo, Rui Prada, Guilherme Raimundo, Joana Pardal, Helena Sofia Pinto, Ana Paiva, “Mainstream Games in the Multi-agent Classroom”, IAT 2006 (Intelligent Agent Technology Conference), Dec. 2006, pp. 757-761, IEEE Computer Society.

# Celso Melo, Ana Paiva, “A Story About Gesticulation Expression”, In the 6th International Conference on Intelligent Virtual Agents - IVA 2006, Aug. 2006, pp. 270-281, Springer.

# Ruth Aylett, Rui Figueiredo, André Silva, João Dias, Ana Paiva, “Making It Up as You Go Along - Improvising Stories for Pedagogical Purposes”, In the 6th International Conference on Intelligent Virtual Agents -IVA 2006, Aug. 2006, pp. 304-315,

# Marco Vala, João Dias, Ana Paiva, “Mind the Body”, In the 6th International Conference on Intelligent Virtual Agents -IVA’2006, Aug. 2006, pp. 469, Springer.

# Guilherme Raimundo, João Cabral, Celso Melo, Luís Caldas Oliveira, Ana Paiva, “Storytelling - The Difference Between Fantasy and Reality”, In the 6th International Conference on Intelligent Virtual Agents - IVA 2006, Aug. 2006, pp. 464, Springer.

# Carlos Martinho, Ana Paiva, “Using Anticipation to Create Believable Behaviour”, AAAI 2006 - The Twenty-First National Conference on Artificial Intelligence, Jul. 2006, pp. 175-180, AAAI Press.

# Ruth Aylett, João Dias, Ana Paiva, “An Effectively Driven Planner for Synthetic Characters”, ICAPS 2006 - The Sixteenth International Conference on Automated Planning and Scheduling, Jun. 2006, pp. 2-10, AAAI Press. (an A* conference).

# João Cabral, Luís Caldas Oliveira, Guilherme Raimundo, Ana Paiva, “What voice do we expect from a synthetic character?”, SPECOM’2006, Jun. 2006, pp. 536-539.

# Carsten Zoll, Sybille Enz, Harald Schaub, Ruth Aylett, Ana Paiva, “Fighting Bullying with the Help of Autonomous Agents in a Virtual School Environment”, ICCM 06, Apr. 2006, pp. 340-345.

# Alfredo Júnior, Marco Vala, João Pereira, Joaquim Jorge, A. Paiva, “A Calligraphic Interface for Managing Agents”, WSCG 2006 - The 14th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2006, Jan. 2006, pp. 25-31.

# Ana Paiva, João Dias, “Feeling and Reasoning: A Computational Model for Emotional Characters”, Encontro Português de Inteligencia Artificial, EPIA 2005, Dec. 2005, pp. 127-140, Springer.

# Ana Paiva, Carlos Martinho, Eugénio de Oliveira, “Introduction to Emotional Agents”, Encontro Português de Inteligencia Artificial, EPIA 2005, Dec. 2005, pp. 101, Springer.

# Ana Paiva, Celso Melo, “Environment Expression: Telling Stories Through Cameras, Lights and Music”, International Conference on Virtual Storytelling- ICVS 2005, Nov. 2005, pp. 129-132, Springer.

# Ana Paiva, “The Role of Tangibles in Interactive Storytelling”, International Conference on Virtual Storytelling- ICVS 2005, Nov. 2005, pp. 225-228, Springer.

# Ana Paiva, Lynne E. Hall, Sarah Woods, Ruth Aylett, Lynne Newall, “Achieving Empathic Engagement Through Affective Interaction with Synthetic Characters”, ACII- International Conference on Affective Computing and Intelligent Interaction, 2005, Oct. 2005, pp. 731-738, Springer.

# Celso Melo, Ana Paiva, “Environment Expression: Expressing Emotions Through Cameras, Lights and Music”, International Conference on Affective Computing & Intelligent Interaction - ACII’2005, Oct. 2005, pp. 715-722, Springer.

# Rui Figueiredo, Ana Paiva, “Watch and Feel: An Affective Interface in a Virtual Storytelling Environment”, International Conference on Affective Computing & Intelligent Interaction - ACII’2005, Oct. 2005, pp. 915-922, Springer.

# Ruth Aylett, Sandy Louchart, João Dias, Ana Paiva, Marco Vala, “FearNot! - An Experiment in Emergent Narrative”, in the 5th International Conference on Intelligent Virtual Agents - IVA 2005, Sep. 2005, pp. 305-316, Springer.

# Rui Prada, Ana Paiva “Intelligent Virtual Agents in Collaborative Scenarios”, in the 5th International Conference on Intelligent Virtual Agents - IVA 2005, Sep. 2005, pp. 317-328, Springer.

# Rui Prada, Ana Paiva, “Believable groups of synthetic characters”, AAMAS 2005, Jul. 2005, pp. 37-43, ACM Press. (an A* conference and rated as type B by IST).

# Sandy Louchart, Ruth Aylett, João Dias, Ana Paiva, “Unscripted Narratives for Affectively Driven Characters”, in The First Annual Artificial Intelligence and Interactive Digital Entertainment Conference (AIIDE), Jun. 2005, AAAI

Press.

# Ana Paiva, Cristina Conati, Stacy Marsella, “Affective interactions: the computer in the affective loop”, IUI 2005, Jan. 2005, pp. 7, ACM Press.

# Rui Prada, Ana Paiva, “Synthetic Group Dynamics in Entertainment Scenarios: Creating Believable Interactions in Groups of Synthetic Characters”, Advances in Computer Entertainment, ACE 2005, ACM Press.

# Rui Prada, Ana Paiva, , “A Believable Group in the Synthetic Mind”, in Proceedings of the Joint Symposium on Virtual Social Agents, AISB05: Social Intelligence and Interaction in Animals, Robots and Agents, AISB, Uk, 2005.

# Nuno Otero, André Pires, Ana Paiva, “Learning with the BeLife simulation tool: the effects of manipulating the time scale of events and collaboration mode”, CELDA 2004, Dec. 2004, pp. 561-562, IADIS Press.

# Marco Vala, Ana Paiva, Rui Prada, “Tangible Influence: Towards a New Interaction Paradigm for Computer Games”, ICEC- International Conference on Entertainment Computing, Springer, Sep. 2004.

# Lynne Hall, Sarah Woods, Kerstin Dautenhahn, Daniel Sobral, Ana Paiva, Dieter Wolke, Lynne Newall, “Designing Empathic Agents: Adults Versus Kids”, In the International Conference on Intelligent Tutoring Systems (ITS’2004), Springer, Aug. 2004.

# Ana Paiva, João Dias, Daniel Sobral, Ruth Aylett, Sarah Woods, Carsten Zoll and Lynne Hall, “Caring for Agents and Agents that Care: Building Empathic Relations with Synthetic Agents”, Autonomous Agents and Multi-agent Systems, AAMAS’2004, Jul. 2004, ACM Press.

# Marco Vala, Ana Paiva, Rui Prada, “From Motion Control to Emotion Influence: Controlling Autonomous in a Computer Game”, Autonomous Agents and Multi-agent Systems, AAMAS’2004, Jul. 2004, ACM Press. (an A* conference and rated as type B by IST).

# Isabel Machado, Paul Brna, Ana Paiva: “1, 2, 3 .... Action! Directing Real Actors and Virtual Characters”, TIDSE- International Conference on Technologies for Interactive Digital Storytelling and Entertainment, Springer, Jun. 2004. Cits(Scholar) = 6.

# André Silva, Guilherme Raimundo, Celso Melo, Ana Paiva, “To tell or not to tell... Building an interactive virtual storyteller”, AISB Symposium on Language, Speech and Gesture for Synthetic Characters, AISB, Mar. 2004. Cits(Scholar) = 2.

# André Silva, Guilherme Raimundo, Ana Paiva, “Tell me that bit again... bringing Interactivity to a Virtual Storyteller”, Virtual Storytelling: Using Virtual Reality Technologies for Storytelling, Springer, 2003. Cits(Scholar) = 17.

# Pietro Casella, Ana Paiva, “Mediating Action and Background Music”, Virtual Storytelling: Using Virtual Reality Technologies for Storytelling, Springer, 2003. Cits(Scholar) = 1.

# Daniel Sobral, Isabel Machado, Ana Paiva, “Managing Authorship in Plot Conduction”, Virtual Storytelling: Using Virtual Reality Technologies for Storytelling, Springer, 2003. Cits(ISI)=4 Cits(Scholar)=15.

# Ana Paiva and Ricardo Chaves and Moisés Piedade and Adrian Bullock and Gerd Andersson and Kristina Höök “SenToy: a Tangible Interface to Control the Emotions of a Synthetic Character (poster)”, AAMAS 2003 - Autonomous Agents and Multi-Agent Systems, ACM Press, 2003. (an A* conference and rated as type B by IST). Cits(Scholar) = 13.

# Marco Vala, Mário Rui Gomes, Ana Paiva, “Happy Characters Don’t Feel Well in Sad Bodies”, In the 3rd International Conference on Intelligent Virtual Agents - IVA’2003, Springer, 2003. Cits (Scholar) = 1.

# Daniel Sobral, Isabel Machado, Ana Paiva, “Machiavellian Characters and the Edutainment Paradox”, In the 3rd International Conference on Intelligent Virtual Agents - Intelligent Virtual Agents - IVA’2003, Springer, 2003. Cits(Scholar)= 8.

# Pietro Casella, Ana Paiva, “Mediating Action and Music with Augmented Grammars (short paper)”, In the 3rd International Conference on Intelligent Virtual Agents - IVA’2003, Springer, 2003. Cits(Scholar) = 1.

# Rui Prada, Marco Vala, Ana Paiva “FantasyA - The Duel of Emotions (short paper)”, In the 3rd International Conference on Intelligent Virtual Agents -IVA’2003, Springer, 2003. Cits(Scholar) = 8.

# Carlos Martinho, Mário Rui Gomes, Ana Paiva, “Synthetic Emotension (short paper)”, In the 3rd International Conference on Intelligent Virtual Agents - IVA’2003, Springer, 2003. Cits(Scholar) = 1.

# Kristina Hook, Adrian Bullock, Ana Paiva, Marco Vala, Ricardo Chaves, Rui Prada, “FantasyA and SenToy (short paper)”, CHI-2003, ACM Press, 2003. (an A* conference and rated as type B by IST). Cits(Scholar) = 7.

# Ana Paiva , Rui Prada , Ricardo Chaves , Marco Vala , Gerd Andersson , Kristina Hk , “Towards Tangibility in Gameplay: Building a Tangible Affective Interface for a Computer Game”, in ICMI 03: Proceedings of the 5th international conference on Multimodal interfaces, ACM Press. Cits(Scholar) = 16.

# Gert Anderson, Kristina Hook, Dário Mourão, Ana Paiva, Marco Costa, “Using a Wizard of Oz study to inform the design of SenToy”, in Designing Interactive Systems-DIS’ 2002. ACM Press, 2002. Cits(Scholar) = 11.

# Daniel Sobral, Ana Paiva, “VirtAct: the quest for Balance”, in AISB Symposium, SSAISB, 2002.

# Rui Prada, Isabel Machado, Ana Paiva, “You cannot use my broom! I’m the witch, you’re the prince: Collaboration in a Virtual Dramatic Game”, in Intelligent Tutoring Systems, ITS’2002, Springer, 2002. Cits(Scholar) = 5.

# Isabel Machado, Ana Paiva, Rui Prada, “Is the wolf angry or just hungry? Inspecting as Disclosing Characters Minds”, Proceedings of the International Conference on Autonomous Agents’ 2001, ACM Press, 2001. (an A* conference and rated as type B by IST). Cits(Scholar) = 8.

# Isabel Machado, Ana Paiva, Paul Brna, “Learning by playing - Supporting and guiding story-creation activities”, International Conference on AI in Education, IOS Press, 2001.

# Isabel Machado, Ana Paiva, Paul Brna, “Real Characters in Virtual Stories”, The 1st International Conference on Virtual Storytelling, ICVS’2001, Springer, 2001. Cits(Scholar) = 7.

# Pietro Casella, Ana Paiva, “MAgentA: an Architecture for Real Time Automatic Composition of Background Music” in the 1st International Conference on Intelligent Virtual Agents - IVA’2001, Springer, 2001.

# André Silva, Marco Vala, Ana Paiva, “Papous: The Virtual Storyteller” in the 1st International Conference on Intelligent Virtual Agents - IVA’01, Springer, 2001. Cits(Scholar) = 7.

# Ana Paiva, Isabel Machado, Rui Prada, “Heroes, Villains and Magicians: Dramatis Personae in Virtual Environments”, Intelligent User Interfaces, ACM Press, 2001. (an A* conference and rated as type B by IST). Cits(Scholar) = 45.

# Ana Paiva, Elisabeth André, Yasmine Arafa, Luis Botelho, Marco Costa, Pedro Figueiredo, Patrick Gebhard, Kristina Hook, A. Mamdani, Carlos Martinho, Dario Mourão, Paolo Petta, Phoebe Sengers, Marco Vala, “SAFIRA- Supporting AFfective Interactions in Real-time Applications”, CAST - Living in mixed realities, Special Issue of netzpannung.org/journal, 2001. Cits(Scholar) = 6.

# Isabel Machado, Ana Paiva, “The child behind the Character”, in Socially Intelligent Agents - The Human in the Loop, AAAI Symposium, Ed. K. Deutenham, AAAI Press, 2000. Cits(Scholar) = 9.

# Isabel Machado, Rui Prada, Ana Paiva, “Bringing Drama into a Virtual Stage”, ACM Conference on Collaborative Virtual Environments- CVE’2000, ACM Press, 2000. Cits(Scholar) = 20.

# Rui Prada, Isabel Machado, Ana Paiva, “Teatrix: A Virtual Environment for Story Creation”, International Conference on Intelligent Tutoring Systems- ITS’2000, Ed. G. Gauthier, C. Frasson & K. Van Lehn, Springer, 2000. Cits(Scholar) = 32.

# Ulrich Hoppe, Andreas Lingnau, Isabel Machado, Ana Paiva, Rui Prada, Frank Tewissen, “Supporting Collaborative Activities in Computer Integrated Classrooms - The NIMIS approach”, Proceedings of the CRWIG2000, IEEE Press, 2000. Cits(Scholar) = 18.

# Isabel Machado, Carlos Martinho, Ana Paiva, “Once Upon a Time”, in AAAI Fall Symposium on Narrative Intelligence, AAAI Press, 1999. Cits(Scholar) = 6.

# Ana Paiva, Isabel Machado, Alexandre Martins, “Using and Re-using Agents in Multi-Agent Learning Environments”, International Conference on Artificial Intelligence in Education, Ed. Susanne Lajoie & M. Vivet, IOS Press, 1999. Cits(Scholar) = 2.

# T. Conlon, K. Koedinger, A. Paiva, S. Goldman, J.M. Laborde, E. Soloway, “The Impact of AIED in the Schools”, International Conference on Artificial Intelligence in Education, Ed. Susanne Lajoie & M. Vivet, IOS Press, 1999.

# Isabel Machado, Alexandre Martins, Ana Paiva, “One for All and All in One- A Learner Modeling Server in a Multi-agent Platform” Proceedings of the User Modelling Conference, UM’99, Ed. Judy Kay, Springer 1999. Cits(Scholar) = 20.

# Carlos Martinho, Ana Paiva, “Pathematic Agents: Rapid Development of Believable Emotional Agents”, Intelligent Virtual Environments, the Autonomous Agents’99, ACM Press, 1999. (an A* conference). Cits(Scholar) = 20.

# Tiago Sepúlveda, Carlos Martinho, J. Proença, Ana Paiva, M. R. Gomes, “S3A: A Tale on Synthetic Emotions”, IFIP TC5/WG5.10 and CSI International Conference on Visual Computing, pp.: 4-12, Goa, India, Feb. 1999.

# Ana Paiva, Isabel Machado, “Vincent an autonomous pedagogical agent for on-the-job training”, the Intelligent Tutoring Systems, Ed. V. Shute, Pub. Springer-Verlag, 1998. Cits(Scholar) = 35.

# Daniel Gonçalves, P. Machado, Ana Paiva, “A New Dynamic Model for a Multi-Agent Formation”, IBERAMIA, Ed. H. Coelho, Pub. Springer-Verlag, 1998.

# Ana Paiva, “Learner Modelling for Collaborative Learning Environments”, Proceedings of the International Conference on AI in Education, Ed. B. de Boulay, IOS Press, 1997. Cits(Scholar) = 52.

# Albena Assis, J. Santos, Ana Paiva, “Multiple Agents for Multiple Representations”, Proceedings of the International Conference on AI in Education, Ed. B. de Boulay, IOS Press, 1997.

# Ana Paiva, “Learner Modeling Agents”, in EuroAIED- European Conference in Artificial Intelligence in Education, Ed. P. Brna, A. Paiva, J. Self, Colibri, 1996.

# Ana Paiva, John Self, Roger Hartley, “Externalising Learner Models”, AI-ED’95 World Conference on Artificial Intelligence, Ed. J. Greer, Pub. AACE - Association for the Advancement of Computers in Education, 1995. Cits(Scholar) = 59.

# Ana Paiva, John Self, “TAGUS- A User and Learner Modeling System”, Proceedings of the 4th International Conference on User Modeling, UM Inc, Cape Cod, August 1994. Cits(Scholar) = 11.

# Ana Paiva, John Self, “A Learner Model Reason Maintenance System”, ECAI’94 - European Conference on Artificial Intelligence, Ed. Tony Cohn, John Wiley &Sons, 1994. Cits(Scholar) = 15.

# Ana Paiva, John Self, Roger Hartley, “On the Dynamics of Learner Models”, ECAI’94 - European Conference on Artificial Intelligence, Ed. Tony Cohn, John Wiley &Sons, 1994. Cits(Scholar) = 14.

# Ana Paiva, Helder Coelho, Carlos Sêrro, “Teaching in Organizations - How to model Users goals and Knowledge”, PEG’91 Knowledge Based Environments for Teaching and Learning Conference, Ed. R. M. Bottino, P. Forcheri & M. T. Molfino, CNR, 1991.

# Ana Paiva, Helder Coelho, Carlos Sêrro, “User Models in a Tutoring System for Organizations”, 8th Int. Joint Conf. on Technology and Education, Eds G. McKye and D. Trueman, 1991.

# Ana Paiva, Helder Coelho, Carlos Sêrro, “TUTOR - A Tutoring System for Organizations”, Intl. Conf. on Facilities Management, Glasgow, 1991.

{  Conference Publications }

# Mei Yii Lim, João Dias, Ruth Aylett and Ana Paiva “Creating adaptive affective autonomous NPCs”, in Autononomous Agents Multi-Agent Systems (to appear).

# Ana Paiva “Empathic Social Agents”, in the International Journal of Virtual Reality, 2011, 10(1):65-68.

# Samuel Mascarenhas , João Dias, Rui Prada and Ana Paiva “A Dimensional Model for Cultural Behaviour in Virtual Agents”, Applied Artificial Intelligence, 24(6), 2010.

# Ginevra Castellano, Iolanda Leite, André Pereira, Carlos Martinho, Ana Paiva and Peter Mc Owan, “Affect Recognition for Interactive Companions: Challenges and Design in Real World Scenarios, Journal on Multimodal User Interfaces, 2010, Springer, IF=(not yet in ISI).

# Natalie Vannini, Sibylle Enz, Maria Sapouna, Dieter Wolke, Scott Watson, Sarah Woods, Kerstin Dautenhahn, Lynne Hall, Ana Paiva, Elizabeth André and Ruth Aylett, “FearNot!: a computer-based anti-bullying-programme designed to foster peer intervention”, European Journal of Psychology of Education, 2010, Springer.

# Scott Watson, Natalie Vannini, Sarah Woods, Kerstin Dautenhahn, Maria Sapouna, Sybille Enz, S. Wolfgang, Wolke, D., Lynne Hall, Ana Paiva, Elisabeth André, Ruth Aylett, 2010, “Inter-cultural differences in response to a computer-based anti-bullying intervention”, Educational Research, 52 (1), DOI: 61 - 80 (0013-1881), 2010.

# Maria Sapouna, Dieter Wolke, Natalie Vannini, Scott Watson, Sarah Woods, Schneider W, Sybille Enz, Lynne Hall, Ana Paiva, Elisabeth Andre, Kerstin Dautenhahn, Ruth Aylett. (2009) “Virtual learning intervention to reduce bullying victimization in primary school: a controlled trial”. 51(1), 104-112, J Child Psychol Psychiatry, Wiley, 2009.

# Rui Prada, A. Paiva, “Teaming Up Humans with Synthetic Characters”, Artificial Intelligence, Elsevier (2009), DOI:10.1016/j.artint.2008.08.006.

# Sandy Louchart, Michael Kriegel, Rui Figueiredo, Ana Paiva & Ruth Aylett “Authoring Emergent Narrative-based Games”, Journal of Game Development, vol. 3 , 2008 (1).

# Ana Paiva, “From Pencil to Magic Wand: Tangibles as Gateways to Virtual Stories”, Transactions on Edutainment, pp. 162-171, vol. 1, April 2008.

# Lynne Hall, Sarah Woods, Ruth Aylett, Ana Paiva, “Using Theory of Mind Methods to investigate empathic engagement with synthetic characters”, International Journal of Humanoid Robotics: Special Issue on Achieving Human-Like Qualities in Interactive Virtual and Physical Humanoids, 3(3), pp. 351-370, Sep. 2006.

# Nadia Magnenat-Thalmann, E. Wu, Ana Paiva, D. K. Pai, “Editorial”, Journal of Visualization and Computer Animation, 17(3), pp. 141-144, Jun. 2006, John Wiley & Sons, Ltd.

# Celso Melo, Ana Paiva, “Multimodal expression in virtual humans”, Computer Animation and Virtual Worlds, 17(3), pp. 239-248, Jun. 2006, John Wiley & Sons, Ltd.

# Ruth Aylett, Sandy Louchart, João Dias, Ana Paiva, Marco Vala, Sarah Woods, Lynne Hall, “Unscripted Narrative for Affectively Driven Characters”, IEEE Computer Graphics and Applications, 26(3), pp. 42-52, Jun. 2006, IEEE Computer Society.

# Isabel Machado, Ana Paiva, Paul Brna, “Tell Me a Story”, Journal of Virtual Reality, 9, 34-48, 2006.

# Ana Paiva, J. Dias, D. Sobral, R. Aylett, S. Woods, C. Zoll, “Learning by Feeling: Evoking Empathy with Synthetic Characters”, Journal of Applied Artificial Intelligence, 19(3-4), Taylor & Francis, 2005.

# Ana Paiva, M. Costa, Ricardo Chaves, M. Piedade, D. Mourão, D. Sobral, K. Hook, G. Andersson, A. Bullock, “SenToy: an Affective Sympathetic Interface”, International Journal of Human-Computer Studies, 59 (1-2), 2003.

# Ana Paiva, Gert Andersson, Kristina Hook, Dario Mourão, Marco Costa, Carlos Martinho, “SenToy in FantasyA: Designing an Affective Sympathetic Interface to a Computer Game”, Personal and Ubiquitous Computing Journal (Ub Comp) 6(5-6), 2002.

# Marco Vala, Ana Paiva, Mario Gomes, “From Virtual Bodies to Believable Characters”, AISB Journal 1(2), SSAISB, 2002. IF= (not in ISI).

# Ana Paiva, Isabel Machado, “Life-Long Training with Vincent, a Web-based Pedagogical Agent”, the International Journal of Continuing Engineering Education and Life-Long Learning, Inderscience Enterprises Limited, 12(1), 2002.

# Ana Paiva, Isabel Machado, Rui Prada, “The Child Behind the Character”, the Special Issue on Socially Intelligent Agents - The Human in the Loop of the Journal IEEE Transactions on Systems, Man, and Cybernetics, Part A, 31( 5), 2001.

# Carlos Martinho, Ana Paiva, M. Gomes, “Emotions for a motion: Rapid development of believable pathematic agents in intelligent virtual environments”, Journal of Applied Artificial Intelligence, Taylor & Francis, 14 (1), pp. 33-68, 2000.

# Ana Paiva, John Self, “TAGUS - A User and Learner Modeling Workbench”, International Journal of User Modeling and User-Adapted Interaction, Kluwer Academic Publishers, 4(3), pp. 197-226, 1995.