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20242026
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7 papers · 1 filter

cs.LG2025

Don't Tell the Answer, Truly Guide the Reasoning During RL Rollouts

Xinyi Wang, Jinyi Han, Zishang Jiang +7

Reinforcement Learning (RL) has become a key driver for enhancing the long chain-of-thought (CoT) reasoning capabilities of Large Language Models (LLMs). However, prevalent methods…

cs.AI2025

Selective Expert Guidance for Effective and Diverse Exploration in Reinforcement Learning of LLMs

Zishang Jiang, Jinyi Han, Tingyun Li +7

Reinforcement Learning with Verifiable Rewards (RLVR) has become a widely adopted technique for enhancing the reasoning ability of Large Language Models (LLMs). However, the effect…

cs.AI2025

Your Models Have Thought Enough: Training Large Reasoning Models to Stop Overthinking

Jinyi Han, Ying Huang, Ying Liao +11

Large Reasoning Models (LRMs) have achieved impressive performance on challenging tasks, yet their deep reasoning often incurs substantial computational costs. To achieve efficient…

cs.CL2025

Mind the Generation Process: Fine-Grained Confidence Estimation During LLM Generation

Jinyi Han, Tingyun Li, Shisong Chen +8

While large language models (LLMs) have demonstrated remarkable performance across diverse tasks, they fundamentally lack self-awareness and frequently exhibit overconfidence, assi…

cs.CL2025

A Stitch in Time Saves Nine: Proactive Self-Refinement for Language Models

Jinyi Han, Xinyi Wang, Haiquan Zhao +9

Recent advances in self-refinement have demonstrated significant potential for improving the outputs of large language models (LLMs) through iterative refinement. However, most exi…

cs.IR2025

CoCoB: Adaptive Collaborative Combinatorial Bandits for Online Recommendation

Cairong Yan, Jinyi Han, Jin Ju +3

Clustering bandits have gained significant attention in recommender systems by leveraging collaborative information from neighboring users to better capture target user preferences…

cs.AI2025

CDS: Knowledge Component-Driven Data Synthesis Guided by Cognitive Diagnosis Theory

Haokun Zhao, Jinyi Han, Jiaqing Liang +3

Large Language Models (LLMs) have achieved significant advancements, but the increasing complexity of tasks and higher performance demands highlight the need for continuous improve…