Publications

2025

Galatolo, A., Rappuoli L. A., Winkle, K., Beloucif, M. (2025). Beyond Ethical Alignment: Evaluating LLMs as Artificial Moral Assistants. In Proceedings of the European Conference on Artificial Intelligence. Pre-print.

Tanevska, A., Winkle, K., & Castellano, G. (2025). Information vs. situation: Balancing transparency and autonomy for trustworthy autonomous vehicles. Frontiers in Robotics and AI, 12, 1657857.

Tanevska, A., Kumar, A. R., Ghosh, A., Casablanca, E., Castellano, G., & Soudjani, S. (2025). Blending participatory design and artificial awareness for trustworthy autonomous vehicles. In Proceedings of the IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2025).

Cumbal, R., Gürdür Broo, D., & Castellano, G. (2025). Crowdsourcing eHMI designs: A participatory approach to autonomous vehicle–pedestrian communication. In Proceedings of the IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2025).

Wang, H., Calvo-Barajas, N., Winkle, K., & Castellano, G. (2025). Who should I believe? User interpretation and decision-making when a family healthcare robot contradicts human memory. In Proceedings of the IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2025).

Fraile, M., Calvo-Barajas, N., Apeiron, A. S., Varni, G., Lindblad, J., Sladoje, N., & Castellano, G. (2025). UpStory: The Uppsala storytelling dataset. Frontiers in Robotics and AI, 12, 1547578.

Galatolo, A., Winkle, K. (2025). Simultaneous Text and Gesture Generation for Social Robots with Small Language Models. Frontiers in Robotics and AI, 12, 1581024. https://doi.org/10.3389/frobt.2025.1581024

Cumbal, R., Calvo-Barajas, N., Escobar-Planas, M., Rouchitsas, A., & Castellano, G. (2025). Visualizing confidence in delivery robots: Insights from two online studies. In Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI 2025).

Tanqueray, L., Papadopoulos, C., Larsson, S., & Winkle, K. (2025). Young carers on social robots: Introducing teenagers as informal caregivers to HRI. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’25) (pp. 381–390). IEEE Press.

Winkle, K. (2025). Robots from nowhere: A case study in speculative sociotechnical design and design fiction for human-robot interaction. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’25) (pp. 1152–1165). IEEE Press.

Dignum, V., Régis, C., Bach, K., Bourgine de Meder, Y., Buijsman, S., de Carvalho, A. P. L. F., Castellano, G., et al. (2025). Roadmap for AI policy research. AI Policy Research Summit, Stockholm (Nov 2024). AI Policy Lab, Umeå University.

2024

Winkle, K., & Mulvihill, N. (2024). Anticipating the use of robots in domestic abuse: A typology of robot-facilitated abuse to support risk assessment and mitigation in human-robot interaction. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’24) (pp. 781–790). Association for Computing Machinery. https://doi.org/10.1145/3610977.3634938

Miranda, L., Castellano, G., & Winkle, K. (2024). A case for diverse social robot identity performance in education. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’24) (pp. 28–35). Association for Computing Machinery. 10.1145/3610978.3640768

Allen, K. H., Aronson, R. M., Bhattacharjee, T., Broz, F., Chang, M. L., Collier, M., et al. (2024). Assistive applications, accessibility, and disability ethics in HRI. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2024 Companion) (pp. 1305–1307). Association for Computing Machinery. URN

Babel, F., Hock, P., Winkle, K., Torre, I., & Ziemke, T. (2024). The human behind the robot: Rethinking the low social status of service robots. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’24) (pp. 1–10). Association for Computing Machinery. URN

Calvo-Barajas, N., Akkuzu, A., & Castellano, G. (2024). Balancing human likeness in social robots: Impact on children’s lexical alignment and self-disclosure for trust assessment. ACM Transactions on Human-Robot Interaction, 13(4). URN

Cumbal, R., Kantharaju, R., Paetzel, M., & Kennedy, J. (2024). Let me finish first: The effect of interruption-handling strategy on the perceived personality of a social agent. Association for Computing Machinery. URN

Fraile, M., Varni, G., Lindblad, J., Sladoje, N., & Castellano, G. (2024). Are we friends: End-to-end prediction of child rapport in guided play. In European Conference on Computer Vision (ECCV 2024), Milan, Italy. URN

Galatolo, A., & Winkle, K. (2024). Memory-augmenting decoder-only language models through encoders: (Student abstract). In Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, Vol. 38, No. 21 (pp. 23494–23496). Association for the Advancement of Artificial Intelligence. URN

Korpan, R., Eguchi, A., Han, Z., Ostrowski, A. K., Tanevska, A. (2024). 3rd Workshop on Inclusive HRI: Equity and diversity in design, application, methods, and community. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2024 Companion) (pp. 1329–1331). Association for Computing Machinery. URN

Miranda, L., Castellano, G., & Winkle, K. (2024). A case for diverse social robot identity performance in education. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2024 Companion) (pp. 28–35). Association for Computing Machinery. URN

Miranda, L. (2024). Who is a robot? A fundamental model of artificial identity. In Proceedings of the 33rd IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2024) (pp. 1510–1515). IEEE.

Pelikan, H., Winkle, K., & Porfirio, D. (2024). Designing human-robot interactions: A StEER tutorial. In Adjunct Proceedings of the 13th Nordic Conference on Human-Computer Interaction (NordiCHI 2024). Association for Computing Machinery. URN

Spitale, M., Winkle, K., Barakova, E., & Gunes, H. (2024). Guest editorial: Special issue on embodied agents for wellbeing. International Journal of Social Robotics, 16(5), 833–834. URN

Tanevska, A., Winkle, K., & Castellano, G. (2024). ‘I don’t like things where I do not have control’: Participants’ experience of trustworthy interaction with autonomous vehicles. In 2nd Workshop on Cars as Social Agents (CarSA), NordiCHI 2024, Uppsala, Sweden, October 13, 2024. URN

Wester, J., Moghe, B., Winkle, K., & van Berkel, N. (2024). Facing LLMs: Robot communication styles in mediating health information between parents and young adults. Proceedings of the ACM on Human-Computer Interaction, 8(CSCW2), 1–37. URN

Winkle, K., & Mulvihill, N. (2024). Anticipating the use of robots in domestic abuse: A typology of robot-facilitated abuse to support risk assessment and mitigation in human-robot interaction. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’24) (pp. 781–790). Association for Computing Machinery. URN

Della Santina, C., Corbato, C. H., Sisman, B., Leiva, L. A., Arapakis, I., Vakalellis, M., … Sierra, C. (2024, March). Awareness in robotics: An early perspective from the viewpoint of the EIC Pathfinder challenge “Awareness Inside.” In European Robotics Forum (pp. 108–113). Springer Nature Switzerland.

Cumbal, R., Kantharaju, R., Paetzel, M., & Kennedy, J. (2024, September). Let me finish first: The effect of interruption-handling strategy on the perceived personality of a social agent. In Proceedings of the ACM International Conference on Intelligent Virtual Agents (IVA) (pp. 1–10).

2023

Akkuzu, A., Calvo-Barajas, N., & Castellano, G. (2023, December). Behavioural observations as objective measures of trust in child-robot interaction: Mutual gaze. In Proceedings of the 11th International Conference on Human-Agent Interaction (pp. 452–454).

Moradbakhti, L., Mara, M., Castellano, G., & Winkle, K. (2023). (Counter-)stereotypical gendering of robots in care: Impact on needs satisfaction and gender role concepts in men and women users. International Journal of Social Robotics, 15(11), 1769–1790.

Larsson, S., Liinason, M., Tanqueray, L., & Castellano, G. (2023). Towards a socio-legal robotics: A theoretical framework on norms and adaptive technologies. International Journal of Social Robotics, 15(11), 1755–1768.

Zhong, M., Fraile, M., Castellano, G., & Winkle, K. (2023). A case study in designing trustworthy interactions: Implications for socially assistive robotics. Frontiers in Computer Science, 5, 1152532.

Tanevska, A., Ghosh, A., Winkle, K., Castellano, G., & Soudjani, S. (2023). Communicating awareness: Designing a framework for cognitive human-agent interaction for autonomous vehicles. In Cars as Social Agents (CarSA) Workshop, HAI 2023, Gothenburg, Sweden.

Winkle, K., McMillan, D., Arnelid, M., Harrison, K., Balaam, M., Johnson, E., & Leite, I. (2023). Feminist human-robot interaction: Disentangling power, principles and practice for better, more ethical HRI. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (pp. 72–82).

Miranda, L., Castellano, G., & Winkle, K. (2023). Examining the state of robot identity. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (pp. 658–662).

Paulsson, T., Zhong, M., García Velázquez, I., & Castellano, G. (2023). Exploring mothers’ perspectives on socially assistive robots in peripartum depression screening. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (pp. 486–490).

Barros, P., Yalçın, Ö. N., Tanevska, A., & Sciutti, A. (2023). Incorporating rivalry in reinforcement learning for a competitive game. Neural Computing and Applications, 35(23), 16739–16752.

Stower, R., Ligthart, M. E., Spitale, M., Calvo-Barajas, N., & De Droog, S. M. (2023, March). CRITTER: Child-Robot Interaction and Interdisciplinary Research. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (pp. 926–928).

2022

Mongile, S., Tanevska, A., Rea, F., & Sciutti, A. (2022). Validating a cortisol-inspired framework for human-robot interaction with a replication of the Still Face paradigm. In 2022 IEEE International Conference on Development and Learning (ICDL) (pp. 190–196). IEEE.

Galatolo, A., Melsión, G. I., Leite, I., & Winkle, K. (2022). The right (wo)man for the job? Exploring the role of gender when challenging gender stereotypes with a social robot. International Journal of Social Robotics. https://doi.org/10.1007/s12369-022-00938-2

Zhong, M., Van Zoest, V., Bilal, A. M., Papadopoulos, F. C., & Castellano, G. (2022). Unimodal vs. multimodal prediction of antenatal depression from smartphone-based survey data in a longitudinal study. In Proceedings of the International Conference on Multimodal Interaction (ICMI ’22).

Fraile, M., Lindblad, J., Fawcett, C., Sladoje, N., & Castellano, G. (2022). End-to-end learning and analysis of infant engagement during guided play: Prediction and explainability. In Proceedings of the International Conference on Multimodal Interaction (ICMI ’22).

Wallkötter, S., Chetouani, M., & Castellano, G. (2022). SLOT-V: Supervised learning of observer models for legible robot motion planning in manipulation. In Proceedings of the 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN ’22).

Calvo-Barajas, N., & Castellano, G. (2022). Understanding children’s trust development through repeated interactions with a virtual social robot. In Proceedings of the 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN ’22).

Calvo-Barajas, N., & Castellano, G. (2022). “I have an idea!” Enhancing children’s verbal creativity through repeated interactions with a virtual robot. In Proceedings of the ACM International Conference on Intelligent Virtual Agents (IVA ’22).

Mongile, S., Tanevska, A., Rea, F., & Sciutti, A. (2022). Are robots that assess their partner’s attachment style better at autonomous adaptive behaviour? In Proceedings of the 17th ACM/IEEE International Conference on Human-Robot Interaction (HRI ’22) (pp. 922–926). IEEE.

Bilal, A. M., Fransson, E., Bränn, E., Eriksson, A., Zhong, M., Gidén, K., Elofsson, U., Axfors, C., Skalkidou, A., & Papadopoulos, F. C. (2022). Predicting perinatal health outcomes using smartphone-based digital phenotyping and machine learning in a prospective Swedish cohort (Mom2B): Study protocol. BMJ Open, 12(4), e059033. https://doi.org/10.1136/bmjopen-2021-059033

Elgarf, M., Calvo-Barajas, N., Alves-Oliveira, P., Perugia, G., Castellano, G., Peters, C., & Paiva, A. (2022). “And then what happens?” Promoting children’s verbal creativity using a robot. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’22) (pp. 71–79). IEEE. https://doi.org/10.5555/3523760.3523774

Tanqueray, L., Paulsson, T., Zhong, M., Larsson, S., & Castellano, G. (2022). Gender fairness in social robotics: Exploring a future care of peripartum depression. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’22) (pp. 598–607). IEEE.

Savage, V., Tejada, C., Zhong, M., Ramakers, R., Ashbrook, D., & Kim, H. (2022, October). AirLogic: Embedding pneumatic computation and I/O in 3D models to fabricate electronics-free interactive objects. In Proceedings of the 35th Annual ACM Symposium on User Interface Software and Technology (UIST ’22) (pp. 1–12).

2021

Ahlberg, S., Axelsson, A., Yu, P., Shaw Cortez, W., Gao, Y., Ghadirzadeh, A., Castellano, G., Kragic, D., Skantze, G., & Dimarogonas, D. V. (2021). Co-adaptive human-robot cooperation: Summary and challenges. Unmanned Systems, 10(2).

Perugia, G., Paetzel, M., Hupont, I., Varni, G., Chetouani, M., Peters, C., & Castellano, G. (2021). Does the goal matter? Emotion recognition tasks can change the social value of facial mimicry towards artificial agents. Frontiers in Robotics and AI.

Tanqueray, L., Castellano, G., & Larsson, S. (2021). A preliminary case study on gender norms in robot-assisted diagnosis of perinatal depression: A socio-legal HRI perspective. GenR Workshop, RO-MAN 2021.

Fraile, M., Lindblad, J., Fawcett, C., Sladoje, N., & Castellano, G. (2021). Automatic analysis of infant engagement during play: An end-to-end learning and explainable AI pilot experiment. In Companion Publication of the International Conference on Multimodal Interaction (ICMI ’21). https://doi.org/10.1145/3461615.3485443

Zhong, M., Bilal, A. M., Papadopoulos, F. C., & Castellano, G. (2021). Psychiatrists’ views on robot-assisted diagnostics of peripartum depression. In International Conference on Social Robotics (ICSR ’21) (pp. 464–474). Springer.

Calvo-Barajas, N., Perugia, G., & Castellano, G. (2021). Hurry up, we need to find the key! How regulatory focus design affects children’s trust in a social robot. Frontiers in Robotics and AI, 8, 197. https://doi.org/10.3389/frobt.2021.652035

Calvo-Barajas, N., Perugia, G., & Castellano, G. (2021). The effects of motivational strategies and goal attainment on children’s trust in a virtual social robot: A pilot study. In Proceedings of Interaction Design and Children (IDC ’21) (pp. 537–541). Association for Computing Machinery. https://doi.org/10.1145/3459990.3465202

Arnelid, M., Boman, M., Brännström, A., Campano, E., Castellano, G., Dignum, V., Harrison, K., Johnson, E., Lee, F., Lindgren, E., Nilsson, I., Ostrowska, A., García Velázquez, I., & Winkle, K. (2021). WASP-HS. Community Reference Meeting: Healthcare. Report. May 2021. [PDF link in site].

Wallkötter, S., Tulli, S., Castellano, G., Paiva, A., & Chetouani, M. (2021). Explainable embodied agents through social cues: A review. ACM Transactions on Human-Robot Interaction (THRI), 10(3), 1–24. https://doi.org/10.1145/3457188

Yang, F., Gao, Y., Ma, R., Zojaji, S., Castellano, G., & Peters, C. (2021). A dataset of human and robot approach behaviors into small free-standing conversational groups. PLOS ONE. https://doi.org/10.1371/journal.pone.0247364

Perugia, G., Paetzel, M., Alanenpää, M., & Castellano, G. (2021). I can see it in your eyes: Gaze as an implicit cue of uncanniness and task performance in repeated interactions with robots. Frontiers in Robotics and AI. https://doi.org/10.3389/frobt.2021.645956

Elgarf, M., Calvo-Barajas, N., Perugia, G., Castellano, G., & Peters, C. (2021). Reward seeking or loss aversion? Impact of regulatory focus theory on emotional induction in children and their behavior towards a social robot. In Proceedings of the CHI Conference on Human Factors in Computing Systems (CHI ’21) (Article 587, pp. 1–11). Association for Computing Machinery. https://doi.org/10.1145/3411764.3445486

Stower, R., Ligthart, M., van Straten, C., Calvo-Barajas, N., Velner, E., & Beelen (2021). Interdisciplinary research methods for child-robot relationship formation. In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’21 Companion) (pp. 700–702). Association for Computing Machinery. https://doi.org/10.1145/3434074.3444869

Paetzel, M., Perugia, G., & Castellano, G. (2021). The influence of robot personality on the development of uncanny feelings. Computers in Human Behavior, 106756.

Stower, R., Calvo-Barajas, N., Castellano, G., & Kappas, A. (2021). A meta-analysis on children’s trust in social robots. International Journal of Social Robotics, 1–23. https://doi.org/10.1007/s12369-020-00736-8

2020

Perugia, G., Paetzel, M., & Castellano, G. (2020, November). On the role of personality and empathy in human–human, human–agent, and human–robot mimicry. In International Conference on Social Robotics (ICSR ’20). Springer.

Perugia, G., Díaz-Boladeras, M., Català-Mallofré, A., Barakova, E. I., & Rauterberg, M. (2020). ENGAGE-DEM: A model of engagement of people with dementia. IEEE Transactions on Affective Computing. https://doi.org/10.1109/TAFFC.2020.2980275

Oertel, C., Castellano, G., Chetouani, M., Nasir, J., Obaid, M., Pelachaud, C., & Peters, C. (2020). Engagement in human–agent interaction: An overview. Frontiers in Robotics and AI.

Calvo-Barajas, N., Perugia, G., & Castellano, G. (2020). The effects of robot’s facial expressions on children’s first impressions of trustworthiness. In Proceedings of the 29th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2020). https://doi.org/10.1109/RO-MAN47096.2020.9223456

Paetzel, M., Karkada, D., & Manuvinakurike, R. (2020). RDG-Map: A multimodal corpus of pedagogical human–agent spoken interactions. In Proceedings of the International Conference on Language Resources and Evaluation (LREC 2020).

Paetzel, M., Perugia, G., & Castellano, G. (2020). The persistence of first impressions: The effect of repeated interactions on the perception of a social robot. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2020). https://dl.acm.org/doi/10.1145/3319502.3374786

Wallkötter, S., Stower, R., Kappas, A., & Castellano, G. (2020). A robot by any other frame: Framing and behaviour influence mind perception in virtual but not real-world environments. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2020). https://doi.org/10.1145/3319502.3374800

Calvo-Barajas, N., El-Garf, M., Perugia, G., Peters, C., & Castellano, G. (2020). Can a social robot be persuasive without losing children’s trust? In Companion of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2020). https://doi.org/10.1145/3371382.3378272

2019

Gao, Y., Sibirtseva, E., Castellano, G., & Kragic, D. (2019). Fast adaptation with meta-reinforcement learning for trust modelling in human-robot interaction. In Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2019).

Gao, Y., Fangkai, Y., Martin, F., Daniel, H., Christopher, P., & Castellano, G. (2019). Learning socially appropriate robot approaching behavior toward groups using deep reinforcement learning. In Proceedings of the 28th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2019).

Paetzel, M., & Castellano, G. (2019). Let me get to know you better: Can interactions help to overcome uncanny feelings? In Proceedings of the 7th International Conference on Human-Agent Interaction (HAI 2019).

Paetzel, M., & Manuvinakurike, R. (2019). “Can you say more about the location?” The development of a pedagogical reference resolution agent. In Dialog for Good – Workshop on Speech and Language Technology Serving Society (DiGo).

Hernandez, D., Denamgana, K., Gao, Y., Peter, Y., Sam, D., Samothrakis, S., & Walker, J. A. (2019). A generalized framework for self-play training. In IEEE/RSJ International Conference on Games (CoG 2019).

Alves-Oliveira, P., Sequeira, P., Melo, F., Castellano, G., & Paiva, A. (2019). Empathic robot for group learning: A field study. ACM Transactions on Human-Robot Interaction, 8(1).

2018

Obaid, M., Aylett, R., Barendregt, W., Basedow, C. A., Corrigan, L. J., Hall, L., Jones, A., Kappas, A., Küster, D., Paiva, A., Papadopoulos, F., Serholt, S., & Castellano, G. (2018). Endowing a robotic tutor with empathic qualities: Exploring children’s learning and perceptions. International Journal of Humanoid Robotics, 15(6).

Chengjie, L., Androulakaki, T., Gao, Y., Fangkai, Y., Saikia, H., Peters, C., & Skantze, G. (2018). Effects of posture and embodiment on social distance in human–agent interaction in mixed reality. In Proceedings of the 18th ACM International Conference on Intelligent Virtual Agents (IVA 2018).

Paetzel, M., Kennedy, J., Castellano, G., & Lehman, J. (2018). Incremental acquisition and reuse of multimodal affective behaviors in a conversational agent. In Proceedings of the International Conference on Human-Agent Interaction (HAI 2018).

Jones, A., & Castellano, G. (2018). Adaptive robotic tutors that support self-regulated learning: A longer-term investigation with primary school children. International Journal of Social Robotics, 10(3), 357–370.

Jones, A., Bull, S., & Castellano, G. (2018). “I know that now, I’m going to learn this next”: Promoting self-regulated learning with a robotic tutor. International Journal of Social Robotics, 10(4), 439–454.

Johal, W., Castellano, G., Tanaka, F., & Okita, S. (2018). Robots for learning. International Journal of Social Robotics, 10(3), 293–294.

Gao, Y., Barendregt, W., Obaid, M., & Castellano, G. (2018). When robot personalisation does not help: Insights from a robot-supported learning study. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2018).

Gao, Y., Wallkötter, S., Obaid, M., & Castellano, G. (2018). Investigating deep learning approaches for human-robot proxemics. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2018).

Paetzel, M., Varni, G., Hupont, I., Chetouani, M., Peters, C., & Castellano, G. (2018). The attribution of emotional state: How embodiment features and social traits affect the perception of an artificial agent. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2018).

2017

Castellano, G., Leite, I., & Paiva, A. (2017). Detecting perceived quality of interaction with a robot using contextual features. Autonomous Robots, 41(5), 1245–1261.

Beskow, J., Peters, C., Castellano, G., O’Sullivan, C., Leite, I., & Kopp, S. (2017). Intelligent Virtual Agents: 17th International Conference (IVA 2017), Stockholm, Sweden, August 27–30, 2017, Proceedings. Lecture Notes in Computer Science 10498. Springer.

Paetzel, M., Hupont, I., Varni, G., Chetouani, M., Peters, C., & Castellano, G. (2017). Exploring the link between self-assessed mimicry and embodiment in HRI. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’17), Vienna.

Paetzel, M., Varni, G., Hupont, I., Chetouani, M., Peters, C., & Castellano, G. (2017). Investigating the influence of embodiment on facial mimicry in HRI using computer vision-based measures. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2017).

Obaid, M., Gao, Y., Barendregt, W., & Castellano, G. (2017). Exploring tangible implicit probes to measure human-robot engagement. In Proceedings of the 9th International Conference on Social Robotics (ICSR 2017), Tsukuba, Japan.

Gao, Y., Barendregt, W., & Castellano, G. (2017). Personalised human-robot co-adaptation in instructional settings using reinforcement learning. In Workshop on Persuasive Embodied Agents for Behavior Change, IVA 2017.

Hirsch, L., Björsell, A., Laaksoharju, M., & Obaid, M. (2017). Investigating design implications towards a social robot as a memory trainer. In Proceedings of the Fourth International Conference on Human-Agent Interaction (HAI ’17). ACM.

Obaid, M., Yuan, G., Barendregt, W., & Castellano, G. (2017). Exploring tangible implicit probes to measure human-robot engagement. In Proceedings of ICSR 2017.

Obaid, M., Baykal, G. E., Yantaç, A. E., & Barendregt, W. (2017). Developing a prototyping method for involving children in the design of classroom robots. International Journal of Social Robotics. Springer.

2016

Papadopoulos, F., Küster, D., Corrigan, L. J., Kappas, A., & Castellano, G. (2016). Do relative positions and proxemics affect engagement in a human-robot collaborative scenario? Interaction Studies, 17(3).

Sequeira, P., Alves-Oliveira, P., Ribeiro, T., Di Tullio, E., Petisca, S., Melo, F. S., Castellano, G., & Paiva, A. (2016). Discovering social interaction strategies for robots from restricted-perception Wizard-of-Oz studies. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI 2016). (Best Paper – Interaction Design.)

Corrigan, L. J., Peters, C., Kuster, D., & Castellano, G. (2016). Engagement perception and generation for social robots and virtual agents. In A. Esposito & L. Jain (Eds.), Toward Robotic Socially Believable Behaving Systems – Modeling Emotions (Intelligent Systems Reference Library). Springer.

Chetouani, M., Anzalone, S., Varni, G., Hupont Torres, I., Castellano, G., Lim, A., & Venture, G. (2016). International Workshop on Social Learning and Multimodal Interaction for Designing Artificial Agents (workshop summary). In Proceedings of the International Conference on Multimodal Interaction (ICMI 2016), Tokyo.

Paetzel, M., Peters, C., Nyström, I., & Castellano, G. (2016). Effects of multimodal cues on children’s perception of uncanniness in a social robot. In Proceedings of ICMI 2016, Tokyo.

Paetzel, M., Peters, C., Nyström, I., & Castellano, G. (2016). Congruency matters: How ambiguous gender cues increase a robot’s uncanniness. In Proceedings of ICSR 2016, Kansas City.

Paetzel, M., Peters, C., Nyström, I., & Castellano, G. (2016). Preliminary results from using a back-projected robot head in uncanny valley research. In Proceedings of RO-MAN 2016, New York.

Deshmukh, A., Jones, A., Janarthanam, S., Hastie, H., Lim, M. Y., Aylett, R., & Castellano, G. (2016). How expressiveness of a robotic tutor is perceived by children in a learning environment. In Proceedings of HRI 2016.

Hall, L., Hume, C., Tazzyman, S., Deshmukh, A., Janarthanam, S., Hastie, H., Aylett, R., Castellano, G., Papadopoulos, F., Jones, A., Corrigan, L. J., Paiva, A., Alves-Oliveira, P., Ribeiro, T., Barendregt, W., Serholt, S., & Kappas, A. (2016). Map reading with an empathic robot tutor. In Proceedings of HRI 2016 (Extended Abstracts), Christchurch.

2015

Castellano, G., Gunes, H., Peters, C., & Schuller, B. (2015). Multimodal affect recognition for naturalistic human-computer and human-robot interactions. In Oxford Handbook of Affective Computing (R. A. Calvo, S. D’Mello, J. Gratch, & A. Kappas, Eds.). Oxford University Press.

Jones, A., Kuster, D., Basedow, C. A., Alves-Oliveira, P., Serholt, S., Hastie, H., Corrigan, L. J., Barendregt, W., Kappas, A., Paiva, A., & Castellano, G. (2015). Empathic robotic tutors for personalized learning: A multidisciplinary approach. In Proceedings of the International Conference on Social Robotics (ICSR 2015), Paris.

Jones, A., Bull, S., & Castellano, G. (2015). Personalising robot tutors’ self-regulated learning scaffolding with an open learner model. In WONDER Workshop, ICSR 2015, Paris.

Corrigan, L. J., Basedow, C., Kuster, D., Kappas, A., Peters, C., & Castellano, G. (2015). Perception matters! Engagement in task-oriented social robotics. In Proceedings of the 24th IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2015), Kobe.

Jones, A., Bull, S., & Castellano, G. (2015). Teacher scaffolding of a student’s self-regulated learning using an open learner model. In Proceedings of UMAP 2015 (pp. 1–8). Dublin.

Deshmukh, A., Jones, A., Janarthanam, S., Hastie, H., Ribeiro, T., Aylett, R., Paiva, A., & Castellano, G. (2015). An empathic robotic tutor in a map application. In Proceedings of AAMAS 2015.

Ribeiro, T., Alves-Oliveira, P., Di Tullio, E., Petisca, S., Sequeira, P., Deshmukh, A., Janarthanam, S., Foster, M.-E., Jones, A., Corrigan, L. J., Papadopoulos, F., Hastie, H., Aylett, R., Castellano, G., & Paiva, A. (2015). The empathic robotic tutor: Featuring the NAO robot. In Proceedings of HRI 2015, Portland.

Deshmukh, A., Jones, A., Janarthanam, S., Foster, M.-E., Ribeiro, T., Corrigan, L. J., Aylett, R., Paiva, A., Papadopoulos, F., & Castellano, G. (2015). Empathic robotic tutors: Map Guide. In Proceedings of HRI 2015, Portland.

Jones, A., Bull, S., & Castellano, G. (2015). Open learner modelling with a robotic tutor. In HRI Pioneers Workshop, HRI 2015, Portland.

2014

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2014). Context-sensitive affect recognition for a robotic game companion. ACM Transactions on Interactive Intelligent Systems, 4(2).

Leite, I., Castellano, G., Pereira, A., Martinho, C., & Paiva, A. (2014). Empathic robots for long-term interaction: Evaluating social presence, engagement and perceived support in children. International Journal of Social Robotics, 6(3), 329–341.

Aylett, A., Barendregt, W., Castellano, G., Kappas, A., Menezes, N., & Paiva, A. (2014). An embodied empathic tutor. AAAI Fall Symposium Series 2014 (AI and HRI).

Jones, A., Castellano, G., & Bull, S. (2014). Investigating the effect of a robotic tutor on learner perception of skill-based feedback. In Proceedings of the 6th International Conference on Social Robotics (ICSR 2014), Sydney.

Ribeiro, T., Di Tullio, E., Corrigan, L. J., Jones, A., Papadopoulos, F., Aylett, R., Castellano, G., & Paiva, A. (2014). Developing interactive embodied characters using the Thalamus framework: A collaborative approach. In Proceedings of the 14th International Conference on Intelligent Virtual Agents (IVA 2014), Boston.

Serholt, S., Barendregt, W., Leite, I., Hastie, H., Jones, A., Paiva, A., Vasalou, A., & Castellano, G. (2014). Teachers’ views on the use of empathic robotic tutors in the classroom. In Proceedings of the IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN 2014).

Jones, A., Castellano, G., & Bull, S. (2014). Open learner modelling with a robotic tutor for children. In Child-Robot Interaction Workshop, IDC 2014.

Mancini, M., Ermilov, A., Castellano, G., Liarokapis, F., Varni, G., & Peters, C. (2014). Effects of gender mapping on perception of emotion from upper body movement in virtual characters. In Virtual, Augmented and Mixed Reality (VAMR 2014), Lecture Notes in Computer Science, 8525, 263–273.

Corrigan, L. J., Basedow, C., Küster, D., Kappas, A., Peters, C., & Castellano, G. (2014). Mixing implicit and explicit probes: Finding a ground truth for engagement in social human-robot interactions. In Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction (HRI ’14), Bielefeld. (Best paper nominee, LBR.)

2013

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2013). Multimodal affect modelling and recognition for empathic robot companions. International Journal of Humanoid Robotics, 10(1).

Corrigan, L., Peters, C., & Castellano, G. (2013). Social-task engagement: Striking a balance between the robot and the task. In Workshop on Embodied Communication of Goals and Intentions, ICSR 2013, Bristol.

Serholt, S., Barendregt, W., Ribeiro, T., Castellano, G., Paiva, A., Kappas, A., Aylett, R., & Nabais, F. (2013). EMOTE: Embodied-perceptive tutors for empathy-based learning in a game environment. In Proceedings of the 7th European Conference on Games Based Learning, Porto.

Serban, O., Castellano, G., Pauchet, A., Rogozan, A., & Pecuchet, J.-P. (2013). Fusion of smile, valence and N-gram features for automatic affect detection. In Proceedings of ACII 2013, Geneva.

Papadopoulos, F., Corrigan, L., Jones, A., & Castellano, G. (2013). Learner modelling and automatic engagement recognition with robotic tutors. In AFFINE Workshop at ACII 2013, Geneva.

Corrigan, L., Peters, C., & Castellano, G. (2013). Identifying task engagement: Towards personalised interactions with educational robots. In Doctoral Consortium, ACII 2013, Geneva.

Kappas, A., Castellano, G., Paiva, A., Barendregt, W., Aylett, R., Nabais, F., & Kuster, D. (2013). Affective loops between children and artificial embodied tutors: The EMOTE project. ISRE 2013, Berkeley.

Bhargava, S., Janarthanam, S., Hastie, H., Deshmukh, A., Aylett, R., Corrigan, L., & Castellano, G. (2013). Demonstration of the Emote Wizard-of-Oz interface for empathic robotic tutors. In Proceedings of SIGDIAL 2013, Metz.

Castellano, G., Paiva, A., Kappas, A., Aylett, R., Hastie, H., Barendregt, W., Nabais, F., & Bull, S. (2013). Towards empathic virtual and robotic tutors. In Proceedings of AIED 2013, Memphis.

Jones, A., Bull, S., & Castellano, G. (2013). Teacher perspectives on scaffolding with an open learner model and an empathic robot. In AIED 2013 Workshop: Scaffolding in Open-Ended Learning Environments, Memphis.

Deshmukh, A., Castellano, G., Kappas, A., Barendregt, W., Nabais, F., Paiva, A., Ribeiro, T., Leite, I., & Aylett, R. (2013). Towards empathic artificial tutors. In Proceedings of HRI ’13, Tokyo.

Castellano, G., Karpouzis, K., Morency, L.-P., Martin, J.-C., Peters, C., & Riek, L. (2013). 5th International Workshop on Affective Interaction in Natural Environments (AFFINE): Interacting with affective artefacts in the wild. In Proceedings of ACII ’13, Geneva.

2012

Castellano, G., Mancini, M., Peters, C., & McOwan, P. W. (2012). Expressive copying behavior for social agents: A perceptual analysis. IEEE Transactions on Systems, Man, and Cybernetics – Part A: Systems and Humans, 42(3), 776–783.

Castellano, G., Leite, I., Paiva, A., & McOwan, P. W. (2012). Affective teaching: Learning more effectively from empathic robots. Awareness Magazine: Self-Awareness in Autonomic Systems – Interactive Robotics.

Castellano, G., Riek, L., Peters, C., Karpouzis, K., Martin, J.-C., & Morency, L.-P. (2012). Introduction to the special issue on affective interaction in natural environments. ACM Transactions on Interactive Intelligent Systems, 2(1).

Leite, I., Pereira, A., Castellano, G., Mascarenhas, S., Martinho, C., & Paiva, A. (2012). Modelling empathy in social robotic companions. In Advances in User Modeling (LNCS 7138).

Leite, I., Castellano, G., Pereira, A., Martinho, C., & Paiva, A. (2012). Long-term interactions with empathic robots: Evaluating perceived support in children. In Proceedings of the International Conference on Social Robotics (ICSR 2012), Chengdu. (Best Student Paper.)

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2012). Detecting engagement in HRI: An exploration of social and task-based context. In Proceedings of the IEEE/ASE International Conference on Social Computing (SocialCom ’12), Amsterdam.

2011

Aylett, R., Castellano, G., Raducanu, B., Paiva, A., & Hanheide, M. (2011). Long-term socially perceptive and interactive robot companions: Challenges and future perspectives. In Proceedings of the International Conference on Multimodal Interaction (ICMI ’11), Alicante.

Castellano, G., Mancini, M., & Peters, C. (2011). Emotion communication via copying behaviour: A case study with the Greta embodied conversational agent. In Proceedings of the 4th International Workshop on Affective Interaction in Natural Environments (ICMI ’11), Alicante.

Mancini, M., Castellano, G., Peters, C., & McOwan, P. W. (2011). Evaluating the communication of emotion via expressive gesture copying behaviour in an embodied humanoid agent. In Proceedings of ACII 2011, Memphis.

Leite, I., Pereira, A., Castellano, G., Mascarenhas, S., Martinho, C., & Paiva, A. (2011). Social robots in learning environments: A case study of an empathic chess companion. In PALE Workshop, UMAP 2011, Girona.

Sanghvi, J., Castellano, G., Leite, I., Pereira, A., McOwan, P. W., & Paiva, A. (2011). Automatic analysis of affective postures and body motion to detect engagement with a game companion. In Proceedings of HRI 2011, Lausanne.

Peters, C., Castellano, G., Rehm, M., André, E., Volpe, G., Camurri, A., Raouzaiou, A., Rapantzikos, K., Karpouzis, K., & Vasalou, A. (2011). Agent perception and attention modelling. In P. Petta, C. Pelachaud, & R. Cowie (Eds.), Handbook of Emotion-Oriented Technologies. Springer.

2010

Castellano, G., & Peters, C. (2010). Socially perceptive robots: Challenges and concerns. Interaction Studies, 11(2). John Benjamins.

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2010). Affect recognition for interactive companions: Challenges and design in real-world scenarios. Journal on Multimodal User Interfaces, 3(1), 89–98. Springer.

Kessous, L., Castellano, G., & Caridakis, G. (2010). Multimodal emotion recognition in speech-based interaction using facial expression, body gesture and acoustic analysis. Journal on Multimodal User Interfaces, 3(1), 33–48. Springer.

Castellano, G., Karpouzis, K., Peters, C., & Martin, J.-C. (2010). Special issue on real-time affect analysis and interpretation: Closing the affective loop in virtual agents and robots. Journal on Multimodal User Interfaces, 3(1), 1–3. Springer.

Castellano, G., Karpouzis, K., Morency, L.-P., Martin, J.-C., Peters, C., & Riek, L. (2010). 3rd International Workshop on Affective Interaction in Natural Environments (AFFINE). In Proceedings of the ACM International Conference on Multimedia, Florence.

Castellano, G., Caridakis, G., Camurri, A., Karpouzis, K., Volpe, G., & Kollias, S. (2010). Body gesture and facial expression analysis for automatic affect recognition. In K. R. Scherer, T. Baenziger, & E. B. Roesch (Eds.), Blueprint for Affective Computing: A Sourcebook. Oxford University Press.

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2010). Inter-ACT: An affective and contextually rich multimodal video corpus for studying interaction with robots. In Proceedings of the ACM International Conference on Multimedia, Florence.

Deshmukh, A., Castellano, G., Lim, M. Y., Aylett, R., & McOwan, P. W. (2010). Ubiquitous social perception abilities for interaction initiation in human-robot interaction. In AFFINE ’10 Workshop, ACM Multimedia, Florence.

Leite, I., Pereira, A., Mascarenhas, S., Castellano, G., Martinho, C., Prada, R., & Paiva, A. (2010). Closing the loop: From affect recognition to empathic interaction. In AFFINE ’10 Workshop, ACM Multimedia, Florence.

2009

Castellano, G., Martin, J.-C., Murray, J., Karpouzis, K., & Peters, C. (2009). Proceedings of the International Workshop on Affective-Aware Virtual Agents and Social Robots. In ICMI-MLMI ’09, Cambridge, MA.

Castellano, G., & Mancini, M. (2009). Analysis of emotional gestures for the generation of expressive copying behaviour in an embodied agent. In Advances in Gesture-Based HCI and Simulation (LNCS 5085, pp. 193–198). Springer.

Camurri, A., Castellano, G., Glowinski, D., Varni, G., & Volpe, G. (2009). Il gesto espressivo nell’interazione uomo-macchina. In C. Pelachaud, N. De Carolis, & F. De Rosis (Eds.), La Ricerca sui Sistemi Intelligenti in Italia, Cognito 4(1–2).

Castellano, G., Pereira, A., Leite, I., Paiva, A., & McOwan, P. W. (2009). Detecting user engagement with a robot companion using task and social interaction-based features. In Proceedings of ICMI-MLMI ’09 (pp. 119–126). ACM.

Peters, C., Castellano, G., & de Freitas, S. (2009). An exploration of user engagement in HCI. In AFFINE ’09 Workshop, ICMI-MLMI ’09. ACM.

Leite, I., Castellano, G., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2009). Designing a game companion for long-term social interaction. In AFFINE ’09 Workshop, ICMI-MLMI ’09. ACM.

Castellano, G., Leite, I., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2009). It’s all in the game: Towards an affect-sensitive and context-aware game companion. In Proceedings of ACII ’09, Amsterdam. IEEE.

Castellano, G., & McOwan, P. W. (2009). Analysis of affective cues in human-robot interaction: A multi-level approach. In Proceedings of the 10th International Workshop on Image Analysis for Multimedia Interactive Services (pp. 258–261). IEEE.

Leite, I., Castellano, G., Pereira, A., Martinho, C., Paiva, A., & McOwan, P. W. (2009). Towards an empathic chess companion. In Workshop on Empathic Agents, AAMAS ’09, Budapest.

2008

Castellano, G. (2008). Movement expressivity analysis in affective computers: From recognition to expression of emotion. Ph.D. thesis, University of Genoa.

Castellano, G., Mortillaro, M., Camurri, A., Volpe, G., & Scherer, K. R. (2008). Automated analysis of body movement in emotionally expressive piano performances. Music Perception, 26(2), 103–119.

Castellano, G., Kessous, L., & Caridakis, G. (2008). Emotion recognition through multiple modalities: Face, body gesture, speech. In Affect and Emotion in Human-Computer Interaction (LNCS 4868, pp. 92–103). Springer.

Castellano, G., Aylett, R., Paiva, A., & McOwan, P. W. (2008). Affect recognition for interactive companions. In AFFINE ’08 Workshop, ICMI ’08, Chania, Crete.

Castellano, G., Aylett, R., Dautenhahn, K., Paiva, A., McOwan, P. W., & Ho, S. (2008). Long-term affect-sensitive and socially interactive companions. In Proceedings of the 4th International Workshop on Human-Computer Conversation, Bellagio.

Castellano, G., & McOwan, P. W. (2008). Movement expressivity for affect-sensitive long-term artificial companions. In A Virtual Butler: Prerequisites to its Development Workshop, Vienna.

2007

Castellano, G., Villalba, S. D., & Camurri, A. (2007). Recognising human emotions from body movement and gesture dynamics. In Proceedings of ACII 2007 (LNCS 4738, pp. 71–82). Springer.

Castellano, G., Bresin, R., Camurri, A., & Volpe, G. (2007). User-centred control of audio and visual expressive feedback by full-body movements. In Proceedings of ACII 2007 (LNCS 4738, pp. 501–510). Springer.

Castellano, G., Kessous, L., & Caridakis, G. (2007). Multimodal emotion recognition from expressive faces, body gestures and speech. In Doctoral Consortium, ACII 2007, Lisbon.

Mancini, M., & Castellano, G. (2007). Real-time analysis and synthesis of emotional gesture expressivity. In Doctoral Consortium, ACII 2007, Lisbon.

Castellano, G., Bresin, R., Camurri, A., & Volpe, G. (2007). Expressive control of music and visual media by full-body movement. In Proceedings of NIME ’07, New York.

Castellano, G., & Mancini, M. (2007). Analysis of emotional gestures from videos for the generation of expressive behaviour in an ECA. In Proceedings of the 7th International Workshop on Gesture in HCI and Simulation, Lisbon.

Camurri, A., Castellano, G., Cowie, R., Glowinski, D., Knapp, B., Krumhansl, C. L., Villon, O., & Volpe, G. (2007). The Premio Paganini Project: A multimodal gesture-based approach for explaining emotional processes in music performances. In Proceedings of the 7th International Workshop on Gesture in HCI and Simulation, Lisbon.

Castellano, G., Camurri, A., Mazzarino, B., & Volpe, G. (2007). A mathematical model to analyse the dynamics of gesture expressivity. In Proceedings of the Symposium on Affective Smart Environments, AISB ’07, Newcastle upon Tyne.

Mancini, M., Castellano, G., Bevacqua, E., & Peters, C. (2007). Copying behaviour of expressive motion. In Computer Vision/Computer Graphics Collaboration Techniques (LNCS 4418, pp. 180–191). Springer.

2006

Camurri, A., Castellano, G., Ricchetti, M., & Volpe, G. (2006). Subject interfaces: Measuring bodily activation during an emotional experience of music. In Gesture in Human-Computer Interaction and Simulation (LNAI 3881, pp. 268–279). Springer.

2005

Castellano, G., & Camurri, A. (2005). Experiments, analysis and models of motor activation as a component of an emotional process. In Proceedings of ISRE 2005, Bari.

Bornand, C., Camurri, A., Castellano, G., Catheline, S., Crevoisier, A., Roesch, E., Scherer, K. R., & Volpe, G. (2005). Usability evaluation and comparison of prototypes of tangible acoustic interfaces. In Proceedings of the 2nd Enactive International Conference, Genoa.

Camurri, A., Castellano, G., Coletta, P., Massari, A., Mazzarino, B., Varni, G., & Volpe, G. (2005). Multimodal interfaces for expressive interaction. In Proceedings of HCItaly 2005, Rome.

Camurri, A., Castellano, G., Ricchetti, M., & Volpe, G. (2005). Subject interfaces: Measuring bodily activation during an emotional experience of music. In Proceedings of the 6th International Workshop on Gesture in HCI and Simulation, Berder Island.

2004

Camurri, A., Castellano, G., Mazzarino, B., Varni, G., & Volpe, G. (2004). Expressive gesture analysis and expressive gestural control strategies. In Proceedings of the Stockholm Music and Music Science Symposium, Stockholm.