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Lefan Zhang

4 papers hereh-index 7279 citations13 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author2

Across the 4 of 4 papers where every author was matched, so the position is known.

fields
  • cs.LG3
  • cs.CL1

identity via Semantic Scholar / OpenAlex

activity
20222026
most citedLearning from Long-Tailed Noisy Data with Sample Selection and Balanced Loss

1 citations · 1 across the 4 of their papers we have counts for

collaborators

4 papers

cs.CL2026

Deep Research as Rubric for Reinforcement Learning

Wangyi Mei, Zhouhong Gu, Zhenhan Bai +9

Open-ended reasoning and long-form generation tasks lack reliable automatic verification signals for reward-based policy optimization. Rubrics offer a promising alternative, but ex…

cs.LG2025

RLAX: Large-Scale, Distributed Reinforcement Learning for Large Language Models on TPUs

Runlong Zhou, Lefan Zhang, Shang-Chen Wu +29

Reinforcement learning (RL) has emerged as the de-facto paradigm for improving the reasoning capabilities of large language models (LLMs). We have developed RLAX, a scalable RL fra…

cs.LG2024

Learning Harmonized Representations for Speculative Sampling

Lefan Zhang, Xiaodan Wang, Yanhua Huang +1

Speculative sampling is a promising approach to accelerate the decoding stage for Large Language Models (LLMs). Recent advancements that leverage target LLM's contextual informatio…

cs.LG2022★ 1 cited

Learning from Long-Tailed Noisy Data with Sample Selection and Balanced Loss

Lefan Zhang, Zhang-Hao Tian, Wujun Zhou +1

The success of deep learning depends on large-scale and well-curated training data, while data in real-world applications are commonly long-tailed and noisy. Many methods have been…

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