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Yichang Zhang

10 accepted papers

2025

A Probabilistic Inference Scaling Theory for LLM Self-Correction

EMNLP 2025

Large Language Models (LLMs) have demonstrated the capability to refine their generated answers through self-correction, enabling continuous performance improvement over multiple rounds. However, the mechanisms underlying how and why accuracy evolves during this iterative process remain unexplored.

2025

CodeArena: Evaluating and Aligning CodeLLMs on Human Preference

EMNLP 2025

We present CodeArena to emulate the complexity/diversity of real-world coding tasks, spanning 40 categories and 44 PLs. A 20B diverse synthetic instruction corpus is created by scaling instructions to help Qwen2.5-SynCoder achieve SOTA performance. Abstract: Code large language models (codeLLMs) hav

Cited by 0SourcePDFScholar
2025

Confidence v.s. Critique: A Decomposition of Self-Correction Capability for LLMs

ACL 2025long

Large Language Models (LLMs) can correct their self-generated responses, but a decline in accuracy after self-correction is also witnessed. To have a deeper understanding of self-correction, we endeavor to decompose, evaluate, and analyze the self-correction behaviors of LLMs. By enumerating and ana…

2025

HellaSwag-Pro: A Large-Scale Bilingual Benchmark for Evaluating the Robustness of LLMs in Commonsense Reasoning

ACL 2025finding

Large language models (LLMs) have shown remarkable capabilities in commonsense reasoning; however, some variations in questions can trigger incorrect responses. Do these models truly understand commonsense knowledge, or just memorize expression patterns? To investigate this question, we present the…

Cited by 0SourcePDFScholar
2025

Omni-MATH: A Universal Olympiad Level Mathematic Benchmark for Large Language Models

ICLR 2025poster

Recent advancements in large language models (LLMs) have led to significant breakthroughs in mathematical reasoning capabilities. However, existing benchmarks like GSM8K or MATH are now being solved with high accuracy (e.g., OpenAI o1 achieves 94.8% on MATH dataset), indicating their inadequacy for…

Cited by 50SourcePDFScholar
2025

PolyMath: Evaluating Mathematical Reasoning in Multilingual Contexts

NeurIPS 2025poster

In this paper, we introduce **PolyMath**, a multilingual mathematical reasoning benchmark covering 18 languages and 4 easy-to-hard difficulty levels. Our benchmark ensures difficulty comprehensiveness, language diversity, and high-quality translation, making it a highly discriminative multilingual m…

Cited by 0SourceScholar
2025

RMTBench: Benchmarking LLMs Through Multi-Turn User-Centric Role-Playing

EMNLP 2025

Recent advancements in Large Language Models (LLMs) have shown outstanding potential for role-playing applications. Evaluating these capabilities is becoming crucial yet remains challenging. Existing benchmarks mostly adopt a character-centric approach, simplify user-character interactions to isolat

Cited by 0SourcePDFScholar
2024

Can Large Language Models Always Solve Easy Problems if They Can Solve Harder Ones?

EMNLP 2024main

Large language models (LLMs) have demonstrated impressive capabilities, but still suffer from inconsistency issues (e.g. LLMs can react differently to disturbances like rephrasing or inconsequential order change). In addition to these inconsistencies, we also observe that LLMs, while capable of solv…

2023

Transferring General Multimodal Pretrained Models to Text Recognition

ACL 2023findings

This paper proposes a new method, OFA-OCR, to transfer multimodal pretrained models to text recognition. Specifically, we recast text recognition as image captioning and directly transfer a unified vision-language pretrained model to the end task. Without pretraining on large-scale annotated or synt…

2021

Meta-KD: A Meta Knowledge Distillation Framework for Language Model Compression across Domains

ACL 2021long

Pre-trained language models have been applied to various NLP tasks with considerable performance gains. However, the large model sizes, together with the long inference time, limit the deployment of such models in real-time applications. One line of model compression approaches considers knowledge d…