Papers by Yuwei Zhao

7 papers
CodeJudge-Eval: Can Large Language Models be Good Judges in Code Understanding? (2025.coling-main)

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Challenge: Recent advances in large language models (LLMs) have showcased impressive code generation capabilities, primarily evaluated through language-to-code benchmarks.
Approach: They propose a benchmark to assess LLMs’ code understanding abilities from the perspective of code judging rather than code generation.
Outcome: The proposed benchmark evaluates 12 well-known large language models to determine the correctness of provided code solutions.
GenPilot: A Multi-Agent System for Test-Time Prompt Optimization in Image Generation (2025.findings-emnlp)

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Challenge: Existing methods for text-to-image synthesis lack systematic error analysis and refinement strategies, resulting in limited reliability and effectiveness.
Approach: They propose a plug-and-play multi-agent system called GenPilot that integrates error analysis, clustering-based adaptive exploration, fine-grained verification and a memory module for iterative optimization.
Outcome: The proposed method improves text consistency and structural coherence on images with a plug-and-play system.
Diagnosing and Remedying Representation Deficiencies for Deterministic Reasoning in KGQA (2026.acl-long)

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Challenge: Existing approaches to solve non-deterministic reasoning problems in large language models are limited by their complexity and lack of a clear understanding of the problem.
Approach: They propose a method to diagnose and correct non-deterministic reasoning behaviors in large language models.
Outcome: The proposed method outperforms baselines and WebQSP benchmarks on the widely used WebQ SP and CWQ benchmarks.
From Script to Stage: Automating Experimental Design for Social Simulations with LLMs (2026.findings-acl)

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Challenge: Xu et al., 2024): multi-agent simulations based on large language models are a new paradigm for social science research . traditional experimental design relies on interdisciplinary expertise and technical barriers . Xiaoping and Xin eli argue that LLM-driven agents are unreliable for rigorous experimental design due to hallucinations and limited verifiability.
Approach: They propose a framework for multi-agent experiment design based on script generation . Script Composition, Script Finalization, and Actor Generation are the core phases of the framework .
Outcome: The proposed framework lowers the barrier for social science experimental design and provides scientifically grounded decision support for policy-making.
AgentMove: A Large Language Model based Agentic Framework for Zero-shot Next Location Prediction (2025.naacl-long)

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Challenge: Existing methods to apply large language models to zero-shot next location prediction tasks are limited due to their limited computational power.
Approach: They propose a systematic agentic prediction framework to achieve generalized next location prediction.
Outcome: The proposed framework surpasses the leading baseline by 3.33% to 8.57% across 8 out of 12 metrics.
MirrorCAPTCHA: Wild CAPTCHA, Wild Distribution, Wild Web-based Platform Meet Multimodal LLM Agents (2026.acl-long)

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Challenge: Existing agent benchmarks fail to evaluate an agent's real-world capacity to handle CAPTCHA . Existing benchmarks ignore this practical challenge, failing to evaluate agents' ability to handle complex visual CAPTchas.
Approach: They propose a benchmark annotated with Weighted Pass Rate and a new metric to measure agent's ability to handle CAPTCHA.
Outcome: The proposed benchmark outperforms current state-of-the-art closed-source models on mirrorCAPTCHA and achieves 9.4% higher average weighted pass rate and 2.13% higher average Completion degree.
Task Compass: Scaling Multi-task Pre-training with Task Prefix (2022.findings-emnlp)

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Challenge: Existing studies show that multi-task learning with large-scale supervised tasks suffers from negative effects across tasks.
Approach: They propose a task prefix guided multi-task pre-training framework to explore the relationships among tasks.
Outcome: The proposed model can be used as a foundation backbone for a wide range of tasks and as augmentation tool for data augmentation with complementary tasks.

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