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Ruixiang Feng

3 accepted papers

2026

Measuring and Mitigating Post-hoc Rationalization in Reverse Chain-of-Thought Generation

ICML 2026poster

Reverse Chain-of-Thought Generation (RCG) synthesizes reasoning traces from query-answer pairs, but runs the risk of producing post-hoc rationalizations: when models can see the answer during generation, the answer serves as a cognitive anchor that shapes the entire explanation. We formalize this ph…

Cited by 0SourceScholar
2025

CulFiT: A Fine-grained Cultural-aware LLM Training Paradigm via Multilingual Critique Data Synthesis

ACL 2025long

Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks, yet they often exhibit a specific cultural bias, neglecting the values and linguistic diversity of low-resource regions. This cultural bias not only undermines universal equality but also risks reinforcing s…

2025

Lock on Target! Precision Unlearning via Directional Control

EMNLP 2025

The unlearning method aims at effectively removing harmful, sensitive, or outdated knowledge without costly retraining the model. However, existing methods suffer from two critical limitations: (1) collateral forgetting, where erasing target data inadvertently removes related but desirable knowledge

Cited by 0SourcePDFScholar