Closing the Gap at CRAC 2026: Two-Stage Adaptation for LLM-Based Multilingual Coreference Resolution
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Computer Science > Computation and Language
Title:Closing the Gap at CRAC 2026: Two-Stage Adaptation for LLM-Based Multilingual Coreference Resolution
Abstract:We present our submission to the LLM track of the 2026 Computational Models of Reference, Anaphora and Coreference (CRAC 2026) shared task. With an average CoNLL F1 score of 74.32 on the official test set, our system ranked first in the LLM track, and third overall. Our system is based on the Gemma-3-27b model, fine-tuned using a two-stage strategy with a multilingual base adapter followed by dataset-specific adapters. We represent mention spans by their headword using an XML-inspired format with local reindexing and annotate documents iteratively. These design choices proved effective across languages, document lengths, and annotation guidelines.
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2605.16984 [cs.CL] |
| (or arXiv:2605.16984v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2605.16984
arXiv-issued DOI via DataCite (pending registration)
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