collaborators

6 papers

cs.DB2025

L2T-Tune:LLM-Guided Hybrid Database Tuning with LHS and TD3

Xinyue Yang, Chen Zheng, Yaoyang Hou +4

Configuration tuning is critical for database performance. Although recent advancements in database tuning have shown promising results in throughput and latency improvement, chall…

cs.RO2025

Embodied Cognition Augmented End2End Autonomous Driving

Ling Niu, Xiaoji Zheng, Han Wang +4

In recent years, vision-based end-to-end autonomous driving has emerged as a new paradigm. However, popular end-to-end approaches typically rely on visual feature extraction networ…

cs.CL2025

GatePro: Parameter-Free Expert Selection Optimization for Mixture-of-Experts Models

Chen Zheng, Yuhang Cai, Deyi Liu +7

Modern large language models leverage Mixture-of-Experts (MoE) architectures for efficient scaling, but face a critical challenge: functionally similar experts are often selected s…

cs.CL2025

Balanced Actor Initialization: Stable RLHF Training of Distillation-Based Reasoning Models

Chen Zheng, Yiyuan Ma, Yuan Yang +11

The development of alignment and reasoning capabilities in large language models has seen remarkable progress through two paradigms: instruction tuning and reinforcement learning f…

cs.IR2025

Algorithm Adaptation Bias in Recommendation System Online Experiments

Chen Zheng, Zhenyu Zhao

Online experiments (A/B tests) are widely regarded as the gold standard for evaluating recommender system variants and guiding launch decisions. However, a variety of biases can di…

cs.CL2025

Seed1.5-Thinking: Advancing Superb Reasoning Models with Reinforcement Learning

ByteDance Seed, :, Jiaze Chen +267

We introduce Seed1.5-Thinking, capable of reasoning through thinking before responding, resulting in improved performance on a wide range of benchmarks. Seed1.5-Thinking achieves 8…