AELC: Adaptive Entity Linking with LLM-Driven Contextualization

Fang Wang, Zhengwei Tao, Ming Wang, Minghao Hu, Xiaoying Bai


Abstract
Entity linking (EL) focuses on accurately associating ambiguous mentions in text with corresponding entities in a knowledge graph. Traditional methods mainly rely on fine-tuning or training on specific datasets. However, they suffer from insufficient semantic comprehension, high training costs, and poor scalability. Large Language Models (LLMs) offer promising solutions for EL, but face key challenges: weak simple-prompt performance, costly fine-tuning, and limited recall and precision due to the lack of LLMs use in candidate generation. Building on this, we introduce a novel framework: **A**daptive **E**ntity **L**inking with LLM-Driven **C**ontextualization. AELC, for the first time, introduces the combination of high-density key information condensation prompt and tool-invocation strategy, using a unified format semantic filtering strategy and an adaptive iterative retrieval mechanism to dynamically optimize the candidate set, significantly enhancing both precision and coverage. Furthermore, we innovatively reformulate the EL task as a multiple-choice problem, enabling multi-round reasoning to substantially improve the model’s discriminative capability and robustness. Experiments on four public benchmark datasets demonstrate that AELC achieves state-of-the-art performance. Further ablation studies validate the effectiveness of each module.
Anthology ID:
2025.findings-emnlp.231
Volume:
Findings of the Association for Computational Linguistics: EMNLP 2025
Month:
November
Year:
2025
Address:
Suzhou, China
Editors:
Christos Christodoulopoulos, Tanmoy Chakraborty, Carolyn Rose, Violet Peng
Venue:
Findings
SIG:
Publisher:
Association for Computational Linguistics
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Pages:
4313–4327
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URL:
https://preview.aclanthology.org/name-variant-enfa-fane/2025.findings-emnlp.231/
DOI:
10.18653/v1/2025.findings-emnlp.231
Bibkey:
Cite (ACL):
Fang Wang, Zhengwei Tao, Ming Wang, Minghao Hu, and Xiaoying Bai. 2025. AELC: Adaptive Entity Linking with LLM-Driven Contextualization. In Findings of the Association for Computational Linguistics: EMNLP 2025, pages 4313–4327, Suzhou, China. Association for Computational Linguistics.
Cite (Informal):
AELC: Adaptive Entity Linking with LLM-Driven Contextualization (Wang et al., Findings 2025)
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https://preview.aclanthology.org/name-variant-enfa-fane/2025.findings-emnlp.231.pdf
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