Dr Joan Espasa Arxer
Lecturer
Teaching
- CS4402 - Constraint Programming
- CS4303 - Videogames
I also supervise projects at a variety of levels across our school.
Research areas
I am a Lecturer in the AI group. My main research focus lies in Automated Planning, which is a central discipline of Artificial Intelligence. This area studies decision-making in a given environment to reach or optimise a goal. These problems are ubiquitous in industry and science, where they appear in logistics, chemistry or even network security, just to name a few. More concretely, my published work mainly lies in the intersection of Automated Planning, Constraint Satisfaction, Reformulation and applications of logic in computer science.
PhD supervision
- Mustafa Abdelwahed
- Carla Davesa Sureda
Selected publications
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Open access
Cross-paradigm modelling: a study of Puzznic
Espasa, J., Gent, I. P., Miguel, I., Nightingale, P., Salamon, A. Z. & Villaret, M., 28 Jan 2025, Proceedings - 2024 IEEE 36th international conference on tools with artificial intelligence (ICTAI 2024). Piscataway, NJ: IEEE Computer Society, p. 89-95 7 p. 10849509. (Proceedings - International conference on tools with artificial intelligence (ICTAI)).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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Open access
Plotting: a case study in lifted planning with constraints
Espasa, J., Miguel, I. J., Nightingale, P., Salamon, A. Z. & Villaret, M., 13 Sept 2024, (E-pub ahead of print) In: Constraints. First online, 40 p.Research output: Contribution to journal › Article › peer-review
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Open access
The 2023 International Planning Competition
Taitler, A., Alford, R., Espasa, J., Behnke, G., Fišer, D., Gimelfarb, M., Pommerening, F., Sanner, S., Scala, E., Schreiber, D., Segovia‐Aguas, J. & Seipp, J., 18 Jun 2024, In: AI Magazine. 45, 2, p. 280-296 17 p.Research output: Contribution to journal › Article › peer-review
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Open access
Towards high-level modelling in automated planning
Sureda, C. D., Arxer, J. E., Miguel, I. & Auselle, M. V., 2 Sept 2024, ModRef 2024 - the 23rd workshop on constraint modelling and reformulation (ModRef). 17 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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Towards understanding differences between modelling pipelines: a modelers perspective
Balogh, C., Hoffmann, R. & Espasa Arxer, J., 2 Sept 2024, p. 1-9. 9 p.Research output: Contribution to conference › Paper › peer-review
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Open access
A good snowman is hard to plan
Bofill, M., Borralleras, C., Espasa Arxer, J., Martín, G. & Patow, G., 9 Jul 2023. 9 p.Research output: Contribution to conference › Paper › peer-review
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Bridging the gap between structural and semantic similarity in diverse planning
Abdelwahed, M., Espasa Arxer, J., Toniolo, A. & Gent, I. P., 10 Jul 2023. 7 p.Research output: Contribution to conference › Paper › peer-review
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Open access
Challenges in modelling and solving plotting with PDDL
Espasa Arxer, J., Miguel, I. J., Nightingale, P., Salamon, A. Z. & Villaret, M., 9 Jul 2023.Research output: Contribution to conference › Paper › peer-review
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Open access
On grid graph reachability and puzzle games
Bofill, M., Borralleras, C., Espasa Arxer, J. & Villaret, M., 27 Aug 2023, ModRef 2023 - The 22nd workshop on constraint modelling and reformulation (ModRef). p. 1-17 17 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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Open access
Towards a model of Puzznic
Espasa, J., Gent, I. P., Miguel, I., Nightingale, P., Salamon, A. Z. & Villaret, M., 27 Aug 2023, p. 1-16. 16 p.Research output: Contribution to conference › Paper › peer-review