Yuzheng Cai

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authored a paper 2 days ago

Youtu-Agent: Scaling Agent Productivity with Automated Generation and Hybrid Policy Optimization

Paper • 2512.24615 • Published 7 days ago • 99

authored 4 papers 3 months ago

SimGRAG: Leveraging Similar Subgraphs for Knowledge Graphs Driven Retrieval-Augmented Generation

Paper • 2412.15272 • Published Dec 17, 2024 • 1

ERank: Fusing Supervised Fine-Tuning and Reinforcement Learning for Effective and Efficient Text Reranking

Paper • 2509.00520 • Published Aug 30, 2025

Learn the Ropes, Then Trust the Wins: Self-imitation with Progressive Exploration for Agentic Reinforcement Learning

Paper • 2509.22601 • Published Sep 26, 2025 • 29

Training-Free Group Relative Policy Optimization

Paper • 2510.08191 • Published Oct 9, 2025 • 44