Portrait of Alberto Testoni

Dr. Alberto Testoni

I am a Postdoctoral Researcher in Responsible NLP and ML for Healthcare (CaRe-NLP project) at Amsterdam UMC, part of the NLP4Health Lab led by prof. Iacer Calixto. My research focuses on making generative AI models more reliable, specifically on uncertainty estimation, calibration, and safe deployment of Large Language Models (LLMs) in healthcare. Before joining Amsterdam UMC, I was a Postdoctoral Researcher at the Institute for Logic, Language and Computation - University of Amsterdam, working with Raquel Fernández on evaluating and improving the multimodal and interactive capabilities of LLMs. I hold a PhD in Computer Science from the University of Trento (supervised by Raffaella Bernardi), an MSc in Cognitive Science from CIMeC - University of Trento, and a BSc in Computer Science from the University of Bologna.

Recent publications

All publications
  • Testoni, A., Calixto, I., Mind the Gap: Benchmarking LLM Uncertainty and Calibration with Specialty-Aware Clinical QA and Reasoning-Based Behavioural Features. (Outstanding Paper Award) Proceedings of the 19th Conference of the European Chapter of the Association for Computational Linguistics (Volume 1: Long Papers), EACL 2026. [PDF]
  • Testoni, A., Plank, B., Fernández, R., RAcQUEt: Unveiling the Dangers of Overlooked Referential Ambiguity in Visual LLMs. Proceedings of The 2025 Conference on Empirical Methods in Natural Language Processing, EMNLP 2025 [PDF]
  • Horst, N., Mazzaccara, D., Schmidt, A., Sullivan, M., Momentè, F., Franceschetti, L., Sadler, P., Hakimov, S., Testoni, A., Bernardi, R., Fernández, R., Koller, A., Lemon, O., Schlangen, D., Giulianelli, M., Suglia, A., Playpen: An Environment for Exploring Learning Through Conversational Interaction. Proceedings of The 2025 Conference on Empirical Methods in Natural Language Processing, EMNLP 2025 [PDF]

News

  • March 2026: We received an Outstanding Paper Award at EACL 2026!
  • January 2026: New paper accepted at EACL 2026!
  • August 2025: Two papers accepted at EMNLP 2025!
  • June 2025: New preprint on uncertainty and calibration in medical QA!
  • May 2025: Two papers accepted at ACL 2025!
  • February 2025: New preprint available on evaluating LLMs in Multi-Session Interactions!
  • December 2024: I joined the Deptartment of Medical Informatics at Amsterdam UMC as a Postdoctoral Researcher!
  • December 2024: New preprint available on Referential Ambiguity in VQA.
  • June 2024: Two new preprints available! (one paper appearing at EMNLP 2024)
  • May 2024: Two papers accepted at ACL 2024!
  • February-May 2024: I served as Area Chair for ACL 2024 and LREC-COLING 2024.
  • April-May 2024: Teaching assistant of the course Advanced Topics in Computational Semantics (UvA).
  • February 2024: New paper accepted at EACL 2024!
  • December 2023: New paper out in Cognitive Science!
  • November 2023: Invited talk at MPI - Nijmegen
  • Oct-Dec 2023: Guest lectures at UvA (Higher Cognitive Functions and NLP1)
  • April 2023: A discussion about my PhD thesis is featured in the Computer Vision News magazine (pages 12-13)
  • February 2023: I defended my PhD thesis and joined UvA-ILLC as a Postdoc!
  • October 2022: New paper accepted at NL4AI @ AI*IA!
  • September 2022: New papers accepted at COLING and (Dis)embodiment!
  • June 2022: New paper accepted at IJCOL!
  • June 2022: New paper accepted at INLG 2022!
  • April 2022: I started an internship at Amazon Alexa AI in Berlin.
  • January 2022: New paper out in Frontiers in Big Data!
  • August 2021: Check our new EMNLP 2021 paper!
  • July 2021: Check our new ACL-SRW and SpLU-RoboNLP papers!
  • March 2021: We got a Special Mention @ CLIC-it!
  • January 2021: Paper acceapted at EACL2021!
  • September 2020: Check out our latest publications (ALVR, SpLU, AI*IA, CLIC-it).
  • September 2019: I started my Ph.D.
  • July 2019: I got my Ms.C. in Cognitive Science.
  • July 2019: one paper accepted at SemDial2019.
  • February 2019: one paper accepted at CMCL2019 co-located with NAACL.

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