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Daoyuan Chen

3 papers indexed

arxivcs.AIcs.CL2026-06-30

CDR-Bench: Evaluating Faithful Execution of Compositional, Order-Sensitive Data Refinement Recipes

Yuchen Huang, Xiang Li, Zhenqing Ling, Sijia Li, Qianli Shen, Daoyuan Chen, et al.

Data refinement involves executing multi-step recipes over evolving text states, where both composition and execution order of processing operators determine the outcome. While existing benchmarks either isolate text editing or entangle it with code and tool execution, it remains…

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arxivcs.LGcs.AI2026-06-25

GEOALIGN: Geometric Rollout Curation for Robust LLM Reinforcement Learning

Ting Zhou, Zhenqing Ling, Yiyang Zhao, Ying Shen, Daoyuan Chen

Online reinforcement learning is widely used to align large language models (LLMs) with reward signals, yet training can be unstable under noisy or misspecified rewards. We identify a failure mode we call directional inconsistency: within a batch, a small set of high-reward rollo…

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crossrefWorld Electric Vehicle Journal2025-08-06Cited by 7

A Spatially Aware Machine Learning Method for Locating Electric Vehicle Charging Stations

Yanyan Huang, Hangyi Ren, Xudong Jia, Xianyu Yu, Dong Xie, You Zou, et al.

The rapid adoption of electric vehicles (EVs) has driven a strong need for optimizing locations of electric vehicle charging stations (EVCSs). Previous methods for locating EVCSs rely on statistical and optimization models, but these methods have limitations in capturing complex…

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