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20242026
most citedTalk to Right Specialists: Iterative Routing in Multi-agent Systems for Question Answering

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cs.LG2026

Connect the Dots: Training LLMs for Long-Lifecycle Agents with Cross-Domain Generalization Via Reinforcement Learning

Yanxi Chen, Weijie Shi, Yuexiang Xie +4

This work presents a general framework for training large language models (LLMs) to "Connect the Dots" (CoD), a meta-capability required by long-lifecycle agents: as an LLM-based A…

cs.LG2026

On-Policy RL Meets Off-Policy Experts: Harmonizing Supervised Fine-Tuning and Reinforcement Learning via Dynamic Weighting

Wenhao Zhang, Yuexiang Xie, Yuchang Sun +5

Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL) are two prominent post-training paradigms for refining the capabilities and aligning the behavior of Large Language Mod…

cs.LG2026

Group-Relative REINFORCE Is Secretly an Off-Policy Algorithm: Demystifying Some Myths About GRPO and Its Friends

Chaorui Yao, Yanxi Chen, Yuchang Sun +5

Off-policy reinforcement learning (RL) for large language models (LLMs) is attracting growing interest, driven by practical constraints in real-world applications, the complexity o…

cs.LG2025

Designing Algorithms Empowered by Language Models: An Analytical Framework, Case Studies, and Insights

Yanxi Chen, Yaliang Li, Bolin Ding +1

This work presents an analytical framework for the design and analysis of LLM-based algorithms, i.e., algorithms that contain one or multiple calls of large language models (LLMs)…

cs.LG2025

Trinity-RFT: A General-Purpose and Unified Framework for Reinforcement Fine-Tuning of Large Language Models

Xuchen Pan, Yanxi Chen, Yushuo Chen +11

Trinity-RFT is a general-purpose, unified and easy-to-use framework designed for reinforcement fine-tuning (RFT) of large language models. It is built with a modular and decoupled…

cs.LG2025

ReDiSC: A Reparameterized Masked Diffusion Model for Scalable Node Classification with Structured Predictions

Yule Li, Yifeng Lu, Zhen Wang +3

In recent years, graph neural networks (GNN) have achieved unprecedented successes in node classification tasks. Although GNNs inherently encode specific inductive biases (e.g., ac…