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cs.CL2025

LLM2: Let Large Language Models Harness System 2 Reasoning

Cheng Yang, Chufan Shi, Siheng Li +3

Large language models (LLMs) have exhibited impressive capabilities across a myriad of tasks, yet they occasionally yield undesirable outputs. We posit that these limitations are r…

cs.CL2025

Critical Tokens Matter: Token-Level Contrastive Estimation Enhances LLM's Reasoning Capability

Zicheng Lin, Tian Liang, Jiahao Xu +7

Mathematical reasoning tasks pose significant challenges for large language models (LLMs) because they require precise logical deduction and sequence analysis. In this work, we int…

cs.CL2024

Large Language Models Can Self-Improve in Long-context Reasoning

Siheng Li, Cheng Yang, Zesen Cheng +4

Large language models (LLMs) have achieved substantial progress in processing long contexts but still struggle with long-context reasoning. Existing approaches typically involve fi…

cs.CL2024

Unchosen Experts Can Contribute Too: Unleashing MoE Models' Power by Self-Contrast

Chufan Shi, Cheng Yang, Xinyu Zhu +6

Mixture-of-Experts (MoE) has emerged as a prominent architecture for scaling model size while maintaining computational efficiency. In MoE, each token in the input sequence activat…

cs.CL2024

A Survey on the Honesty of Large Language Models

Siheng Li, Cheng Yang, Taiqiang Wu +12

Honesty is a fundamental principle for aligning large language models (LLMs) with human values, requiring these models to recognize what they know and don't know and be able to fai…

cs.CL2024

An Energy-based Model for Word-level AutoCompletion in Computer-aided Translation

Cheng Yang, Guoping Huang, Mo Yu +6

Word-level AutoCompletion(WLAC) is a rewarding yet challenging task in Computer-aided Translation. Existing work addresses this task through a classification model based on a neura…