activity
20232026
most citedHC3 Plus: A Semantic-Invariant Human ChatGPT Comparison Corpus

7 citations · 9 across the 17 of their papers we have counts for

collaborators

18 papers

cs.CL2026

GoLongRL: Capability-Oriented Long Context Reinforcement Learning with Multitask Alignment

Minxuan Lv, Tiehua Mei, Tanlong Du +9

We present GoLongRL, a fully open-source, capability-oriented post-training recipe for long-context reinforcement learning with verifiable rewards (RLVR). Existing long-context RL…

cs.LG2026

Good Reasoning Makes Good Demonstrations: Implicit Reasoning Quality Supervision via In-Context Reinforcement Learning

Tiehua Mei, Minxuan Lv, Leiyu Pan +5

Reinforcement Learning with Verifiable Rewards (RLVR) improves reasoning in large language models but treats all correct solutions equally, potentially reinforcing flawed traces th…

cs.LG2025

Entropy Ratio Clipping as a Soft Global Constraint for Stable Reinforcement Learning

Zhenpeng Su, Leiyu Pan, Minxuan Lv +7

Large language model post-training relies on reinforcement learning to improve model capability and alignment quality. However, the off-policy training paradigm introduces distribu…

cs.LG2025

CE-GPPO: Coordinating Entropy via Gradient-Preserving Clipping Policy Optimization in Reinforcement Learning

Zhenpeng Su, Leiyu Pan, Minxuan Lv +5

Reinforcement learning (RL) has become a powerful paradigm for optimizing large language models (LLMs) to handle complex reasoning tasks. A core challenge in this process lies in m…

cs.LG2025★ 1 cited

Klear-Reasoner: Advancing Reasoning Capability via Gradient-Preserving Clipping Policy Optimization

Zhenpeng Su, Leiyu Pan, Xue Bai +8

We present Klear-Reasoner, a model with long reasoning capabilities that demonstrates careful deliberation during problem solving, achieving outstanding performance across multiple…

cs.IR2025

LightRetriever: A LLM-based Text Retrieval Architecture with Extremely Faster Query Inference

Guangyuan Ma, Yongliang Ma, Xuanrui Gou +3

Large Language Models (LLMs)-based text retrieval retrieves documents relevant to search queries based on vector similarities. Documents are pre-encoded offline, while queries arri…

cs.CL2025

Finedeep: Mitigating Sparse Activation in Dense LLMs via Multi-Layer Fine-Grained Experts

Leiyu Pan, Zhenpeng Su, Minxuan Lv +10

Large language models have demonstrated exceptional performance across a wide range of tasks. However, dense models usually suffer from sparse activation, where many activation val…

cs.CL2025

DSMoE: Matrix-Partitioned Experts with Dynamic Routing for Computation-Efficient Dense LLMs

Minxuan Lv, Zhenpeng Su, Leiyu Pan +10

As large language models continue to scale, computational costs and resource consumption have emerged as significant challenges. While existing sparsification methods like pruning…

cs.CL2025

UniAttn: Reducing Inference Costs via Softmax Unification for Post-Training LLMs

Yizhe Xiong, Wei Huang, Xin Ye +6

Post-training is essential for adapting Large Language Models (LLMs) to real-world applications. Deploying post-trained models faces significant challenges due to substantial memor…

cs.LG2024

CartesianMoE: Boosting Knowledge Sharing among Experts via Cartesian Product Routing in Mixture-of-Experts

Zhenpeng Su, Xing Wu, Zijia Lin +6

Large language models (LLM) have been attracting much attention from the community recently, due to their remarkable performance in all kinds of downstream tasks. According to the…

cs.CL2024

MaskMoE: Boosting Token-Level Learning via Routing Mask in Mixture-of-Experts

Zhenpeng Su, Zijia Lin, Xue Bai +8

Scaling the size of a model enhances its capabilities but significantly increases computation complexity. Mixture-of-Experts models (MoE) address the issue by allowing model size t…

cs.IR2024

Task-level Distributionally Robust Optimization for Large Language Model-based Dense Retrieval

Guangyuan Ma, Yongliang Ma, Xing Wu +3

Large Language Model-based Dense Retrieval (LLM-DR) optimizes over numerous heterogeneous fine-tuning collections from different domains. However, the discussion about its training…

cs.CL2024

Scaffold-BPE: Enhancing Byte Pair Encoding for Large Language Models with Simple and Effective Scaffold Token Removal

Haoran Lian, Yizhe Xiong, Jianwei Niu +7

Byte Pair Encoding (BPE) serves as a foundation method for text tokenization in the Natural Language Processing (NLP) field. Despite its wide adoption, the original BPE algorithm h…

cs.CL2024

Temporal Scaling Law for Large Language Models

Yizhe Xiong, Xiansheng Chen, Xin Ye +8

Recently, Large Language Models (LLMs) have been widely adopted in a wide range of tasks, leading to increasing attention towards the research on how scaling LLMs affects their per…

cs.CL2023★ 1 cited

MiLe Loss: a New Entropy-Weighed Loss for Mitigating the Bias of Learning Difficulties in Large Language Models

Zhenpeng Su, Xing Wu, Xue Bai +5

Generative language models are usually pretrained on large text corpus via predicting the next token (i.e., sub-word/word/phrase) given the previous ones. Recent works have demonst…

cs.CL2023★ 7 cited

HC3 Plus: A Semantic-Invariant Human ChatGPT Comparison Corpus

Zhenpeng Su, Xing Wu, Wei Zhou +2

ChatGPT has garnered significant interest due to its impressive performance; however, there is growing concern about its potential risks, particularly in the detection of AI-genera…

cs.CL2023

T5-SR: A Unified Seq-to-Seq Decoding Strategy for Semantic Parsing

Yuntao Li, Zhenpeng Su, Yutian Li +4

Translating natural language queries into SQLs in a seq2seq manner has attracted much attention recently. However, compared with abstract-syntactic-tree-based SQL generation, seq2s…

cs.CL2023

Dial-MAE: ConTextual Masked Auto-Encoder for Retrieval-based Dialogue Systems

Zhenpeng Su, Xing Wu, Wei Zhou +2

Dialogue response selection aims to select an appropriate response from several candidates based on a given user and system utterance history. Most existing works primarily focus o…