Research Publications

2025

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    Seeing Eye to AI: Human Alignment via Gaze-Based Response Rewards for Large Language Models
    Angela Lopez-Cardona, Carlos Segura, Alexandros Karatzoglou, Sergi Abadal, and Ioannis Arapakis
    In International Conference on Learning Representations (ICLR), 2025
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    Brain–Language Model Alignment: Insights into the Platonic Hypothesis and Intermediate-Layer Advantage
    Angela Lopez-Cardona, Sebastian Idesis, Mireia Masias-Bruns, Sergi Abadal, and Ioannis Arapakis
    In Proceedings of the NeurIPS 2025 Workshop on Unifying Representations in Neural Models (UniReps), 2025
    Workshop paper
  3. OASST-ETC Dataset: Alignment Signals from Eye-tracking Analysis of LLM Responses
    Angela Lopez-Cardona, Sebastian Idesis, Miguel Barreda-Angeles, Sergi Abadal, and Ioannis Arapakis
    Proceedings of the ACM on Human-Computer Interaction (PACMHCI), 2025
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    Integrating Cognitive Processing Signals into Language Models: A Review of Advances, Applications and Future Directions
    Angela Lopez-Cardona, Sebastian Idesis, and Ioannis Arapakis
    In International Joint Conference on Neural Networks (IJCNN), 2025
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    Context-aware Adaptive Visualizations for Critical Decision Making
    Ángela López-Cardona, M. M. Bruns, N. T. Attygalle, S. Idesis, M. Salvatori, and al.
    In European Conference on Artificial Intelligence (ECAI) 2025, Demo Track, 2025
  6. A Comparative Study of Scanpath Models in Graph-Based Visualization
    Angela Lopez-Cardona, Parvin Emami, Sebastian Idesis, Saravanakumar Duraisamy, Luis A. Leiva, and Ioannis Arapakis
    In Proceedings of the ACM Symposium on Eye Tracking Research and Applications (ETRA), 2025

2022

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    Proximal Policy Optimization with Graph Neural Networks for Optimal Power Flow
    Ángela López-Cardona, Guillermo Bernárdez, Pere Barlet-Ros, and Albert Cabellos-Aparicio
    In Proceedings of the International Conference on Data Science, Technology and Applications (DATA), 2022
    Also available as arXiv:2212.12470