Papers by KeZhong Lu
Hierarchical Reward Modeling for Fault Localization in Large Code Repositories (2025.findings-emnlp)
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| Challenge: | Large Language Models (LLMs) have limited fault localization capabilities due to limited context length. |
| Approach: | They propose a hierarchical localization reward model to evaluate and select the most accurate fault localization candidates from the outputs of LLMs. |
| Outcome: | The proposed model improves the final line-level localization recall by 12% on the SWE-Bench-Lite dataset. |
R-CHAR: A Metacognition-Driven Framework for Role-Playing in Large Language Models (2025.emnlp-main)
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| Challenge: | Existing role-playing structures lack cognitive consistency in complex scenarios . Existing models excel in math and coding tasks but lack coherent reasoning . |
| Approach: | They propose a metacognition-driven framework that enhances role-playing performance . experimental results show performance improvements across varying scenario complexities . |
| Outcome: | The proposed framework outperforms existing models in social intelligence tasks and shows strength in long-context comprehension and group-level social interactions. |