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I’m a Postdoctoral Researcher in NLP at the CoAStaL Lab at the University of Copenhagen. I completed my PhD in LegalNLP at TU Munich, supervised by Matthias Grabmair, and mentored by Barbara Plank. My research interest is Human-Centered AI , Legal NLP and AI Alignment to Pluralistic Human Values.
I am also an organizer of Munich🥨NLP, where I have organised get-together event to support and encourage women in NLP, and am committed to promoting diversity and inclusivity in the field.
News
- 09/2025: Joined CoAStaL Lab at University of Copenhagen as a Post Doc 🧜🏼♀️ !
- 08/2025: I presented our paper at L2M2@ACL 2025 in Vienna 🇦🇹.
- 06/2025: Invited talk at CoAStAL NLP @ University of Copenhagen 🇩🇰
- 08/2024: I presented our paper at ACL 2024 in 🇹🇭 Bangkok.
- 07/2024: Invited talk ****human label variations and alignment in legal NLP at Machine Learning Scientists in Legal Tech Social Session at ICML2024 🇦🇹
- 05/2024: Paper accepted at ACL 2024. Looking forward to the trip to 🇹🇭 Bangkok!
- 12/2023: I presented our papers (1 long and 1 short) at EMNLP 2023 in 🇸🇬 Singapore . I love durian and kaya toast 🥪 very much.
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- **Better Aligned with Survey Respondents or Training Data? Unveiling Political Leanings of LLMs on U.S. Supreme Court Cases.** Shanshan Xu, T.Y.S.S Santosh, Yanai Elazar, Quirin Vogel, Barbara Plank, Matthias Grabmair. L2M2@ACL 2025**.**
- Through the Lens of Split Vote: Exploring Disagreement, Difficulty and Calibration in Legal Case Outcome Classification. Shanshan Xu**,** Santosh T.Y.S.S, Oana Ichim, Barbara Plank, Matthias Grabmair. ACL 2024 (Oral).
- From Dissonance to Insights: Dissecting Disagreements in Rationale Dataset Construction for Case Outcome Classification. *Shanshan Xu, **** *Santosh T.Y.S.S, Oana Ichim, Isabella Risini, Barbara Plank, Matthias Grabmair. EMNLP 2023.
- **VECHR: A Dataset for Explainable and Robust Classification of Vulnerability Type in the European Court of Human Rights.** Shanshan Xu, Leon Staufer, Santosh T.Y.S.S, Oana Ichim, Corina Heri, Matthias Grabmair. EMNLP 2023.
- Deconfounding Legal Judgment Prediction towards Better Alignment with Experts for the European Court of Human Rights. Santosh T.Y.S.S, Shanshan Xu,** Oana Ichim, Matthias Grabmair. EMNLP 2022 (Oral; *Equal Contribution)