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Zijie Lin

5 accepted papers

2026

Just-In-Time Reinforcement Learning: Continual Learning in LLM Agents Without Gradient Updates

ICML 2026spotlight

While Large Language Model (LLM) agents excel at general tasks, they inherently struggle with continual adaptation due to the frozen weights after deployment. Conventional reinforcement learning (RL) offers a solution but incurs prohibitive computational costs and the risk of catastrophic forgetting…

Cited by 0SourceScholar
2025

FLUE: Streamlined Uncertainty Estimation for Large Language Models

AAAI 2025technical

Uncertainty estimation is essential for practical applications such as decision-making, risk assessment, and human-AI collaboration. However, Uncertainty estimation in open-ended question-answering (QA) tasks presents unique challenges. The output space for open-ended QA is vast and discrete, and th…

Cited by 0SourcePDFScholar
2025

IGD: Token Decisiveness Modeling via Information Gain in LLMs for Personalized Recommendation

NeurIPS 2025poster

Large Language Models (LLMs) have shown strong potential for recommendation by framing item prediction as a token-by-token language generation task. However, existing methods treat all item tokens equally, simply pursuing likelihood maximization during both optimization and decoding. This overlooks…

Cited by 0SourcecodeScholar
2022

Modeling Intra- and Inter-Modal Relations: Hierarchical Graph Contrastive Learning for Multimodal Sentiment Analysis

COLING 2022main

The existing research efforts in Multimodal Sentiment Analysis (MSA) have focused on developing the expressive ability of neural networks to fuse information from different modalities. However, these approaches lack a mechanism to understand the complex relations within and across different modaliti…

Cited by 58SourcePDFScholar