Papers by Yulong Wu
Beyond Static Synthetic Noise: Assessing the Robustness of Large Language Models to Natural Context Variation in the Real World (2026.findings-acl)
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| Challenge: | Current robustness evaluation methods rely on static synthetic perturbations to stress-test models. |
| Approach: | They propose a framework for automatically evaluating QA models under naturally occurring textual perturbations by replacing context passages with revised Wikipedia edit histories. |
| Outcome: | The proposed framework replaces context passages with revised Wikipedia edit histories to improve model performance. |
Natural Context Drift Undermines the Natural Language Understanding of Large Language Models (2025.findings-emnlp)
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| Challenge: | generative Large Language Models (LLMs) are based on natural text evolution . |
| Approach: | They propose a framework for curating naturally evolved variants of reading passages from contemporary QA benchmarks and for analysing LLM performance across a range of semantic similarity scores. |
| Outcome: | The proposed framework evaluates QA datasets and LLMs with publicly available training data. |
SR-LLM: Rethinking the Structured Representation in Large Language Model (2025.acl-long)
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Jiahuan Zhang, Tianheng Wang, Ziyi Huang, Yulong Wu, Hanqing Wu, DongbaiChen DongbaiChen, Linfeng Song, Yue Zhang, Guozheng Rao, Kaicheng Yu
| Challenge: | Structured representations have long been pivotal in computational linguistics, but their role remains ambiguous in the Large Language Models (LLMs) era. |
| Approach: | They propose a framework that integrates structured representations into LLMs from training-free and training-dependent perspectives. |
| Outcome: | The proposed framework integrates structured representations through natural language descriptions in LLM prompts while augmenting the model’s inference capability through fine-tuning on linguistically described structured representation. |
TAGS: A Test-Time Generalist–Specialist Framework with Retrieval-Augmented Reasoning and Verification (2026.findings-acl)
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Jianghao Wu, Feilong Tang, Yulong Li, Ming Hu, Haochen Xue, Shoaib Jameel, Zongyuan Ge, Yutong Xie, Imran Razzak
| Challenge: | Existing efforts to improve medical question answering performance follow two directions. |
| Approach: | They propose a framework that combines a generalist with a domain-specific specialist without any model fine-tuning or parameter updates. |
| Outcome: | The proposed framework boosts GPT-4o accuracy by 13.8%, deepseek-R1 by 16.8%, and improves a vanilla 7B model from 14.1% to 23.9%. |
Hi-ToM: A Benchmark for Evaluating Higher-Order Theory of Mind Reasoning in Large Language Models (2023.findings-emnlp)
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| Challenge: | Theory of Mind (ToM) is the ability to reason about one's own and others' mental states. |
| Approach: | They propose a higher-order theory of mind benchmark and introduce a new deception mechanism to evaluate ToM reasoning. |
| Outcome: | The proposed benchmarks show that the LLMs are not performing well on higher-order tasks. |
Is the Understanding of Explicit Discourse Relations Required in Machine Reading Comprehension? (2021.eacl-main)
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| Challenge: | Existing benchmarks for machine reading comprehension (MRC) are insufficient to assess models for their capabilities to read and comprehend . |
| Approach: | They propose an ablation-based method to assess the extent to which MRC datasets evaluate the understanding of explicit discourse relations. |
| Outcome: | The proposed method shows that the model's performance drops on three large-scale datasets . the results suggest that most of the answers do not require understanding the discourse structure of the text. |