activity
20192026
most citedA Novel Cascade Binary Tagging Framework for Relational Triple Extraction

42 citations · 53 across the 16 of their papers we have counts for

collaborators

20 papers

cs.CR2026

SecureVibe: Making Vibe Coding More Secure

Danqing Wang, Baolin Peng, Zhepei Wei +8

As vibe coding becomes increasingly capable and widespread, security vulnerabilities in even functionally correct solutions are a growing concern. When investigating functionally c…

cs.CL2026

Negative Self-Distillation: Learning to Reason by Avoiding Flaws

Rongcan Pei, Zhepei Wei, Shuyao Xu +3

On-Policy Self-Distillation (OPSD) has emerged as a popular paradigm for large language model (LLM) self-improvement, allowing models to act as their own teachers by leveraging pri…

cs.LG2026

You Only Need Minimal RLVR Training: Extrapolating LLMs via Rank-1 Trajectories

Zhepei Wei, Xinyu Zhu, Wei-Lin Chen +3

Reinforcement learning with verifiable rewards (RLVR) has become a dominant paradigm for improving reasoning in large language models (LLMs), yet the underlying geometry of the res…

cs.LG2026

G-Zero: Self-Play for Open-Ended Generation from Zero Data

Chengsong Huang, Haolin Liu, Tong Zheng +7

Self-evolving LLMs excel in verifiable domains but struggle in open-ended tasks, where reliance on proxy LLM judges introduces capability bottlenecks and reward hacking. To overcom…

cs.CL2025

Separate the Wheat from the Chaff: Winnowing Down Divergent Views in Retrieval Augmented Generation

Song Wang, Zihan Chen, Peng Wang +5

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by integrating external knowledge sources to address their limitations in accessing up-to-date or special…

cs.CL2025

Aligning Large Language Models via Fully Self-Synthetic Data

Shangjian Yin, Zhepei Wei, Xinyu Zhu +2

Traditional reinforcement learning from human feedback (RLHF) for large language models (LLMs) relies on expensive human-annotated datasets, while Reinforcement Learning from AI Fe…

cs.AI2025

Beyond Outcome Reward: Decoupling Search and Answering Improves LLM Agents

Yiding Wang, Zhepei Wei, Xinyu Zhu +1

Enabling large language models (LLMs) to utilize search tools offers a promising path to overcoming fundamental limitations such as knowledge cutoffs and hallucinations. Recent wor…

cs.CL2025

TruthRL: Incentivizing Truthful LLMs via Reinforcement Learning

Zhepei Wei, Xiao Yang, Kai Sun +12

While large language models (LLMs) have demonstrated strong performance on factoid question answering, they are still prone to hallucination and untruthful responses, particularly…

cs.CL2025

AdaDecode: Accelerating LLM Decoding with Adaptive Layer Parallelism

Zhepei Wei, Wei-Lin Chen, Xinyu Zhu +1

Large language models (LLMs) are increasingly used for long-content generation (e.g., long Chain-of-Thought reasoning) where decoding efficiency becomes a critical bottleneck: Auto…

cs.AI2025

PersonaAgent: Bridging Memory and Action for Personalized LLM Agents

Weizhi Zhang, Xinyang Zhang, Chenwei Zhang +12

Large Language Model (LLM) empowered agents have recently emerged as advanced paradigms that exhibit impressive capabilities in a wide range of domains and tasks. Despite their pot…

cs.CL2025

The Surprising Effectiveness of Negative Reinforcement in LLM Reasoning

Xinyu Zhu, Mengzhou Xia, Zhepei Wei +3

Reinforcement learning with verifiable rewards (RLVR) is a promising approach for training language models (LMs) on reasoning tasks that elicit emergent long chains of thought (CoT…

cs.CL2025

WebAgent-R1: Training Web Agents via End-to-End Multi-Turn Reinforcement Learning

Zhepei Wei, Wenlin Yao, Yao Liu +9

While reinforcement learning (RL) has demonstrated remarkable success in enhancing large language models (LLMs), it has primarily focused on single-turn tasks such as solving math…

cs.CL2025

Do LLM Evaluators Prefer Themselves for a Reason?

Wei-Lin Chen, Zhepei Wei, Xinyu Zhu +2

Large language models (LLMs) are increasingly used as automatic evaluators in applications such as benchmarking, reward modeling, and self-refinement. Prior work highlights a poten…

cs.CL2024★ 2 cited

InstructRAG: Instructing Retrieval-Augmented Generation via Self-Synthesized Rationales

Zhepei Wei, Wei-Lin Chen, Yu Meng

Retrieval-augmented generation (RAG) has shown promising potential to enhance the accuracy and factuality of language models (LMs). However, imperfect retrievers or noisy corpora c…

cs.LG2024

Incentivized Truthful Communication for Federated Bandits

Zhepei Wei, Chuanhao Li, Tianze Ren +2

To enhance the efficiency and practicality of federated bandit learning, recent advances have introduced incentives to motivate communication among clients, where a client particip…

cs.LG2023

Incentivized Communication for Federated Bandits

Zhepei Wei, Chuanhao Li, Haifeng Xu +1

Most existing works on federated bandits take it for granted that all clients are altruistic about sharing their data with the server for the collective good whenever needed. Despi…

cs.CL2022

Learning Semantic Textual Similarity via Topic-informed Discrete Latent Variables

Erxin Yu, Lan Du, Yuan Jin +2

Recently, discrete latent variable models have received a surge of interest in both Natural Language Processing (NLP) and Computer Vision (CV), attributed to their comparable perfo…

cs.LG2021★ 9 cited

Handling Inter-class and Intra-class Imbalance in Class-imbalanced Learning

Zhining Liu, Pengfei Wei, Zhepei Wei +5

Class-imbalance is a common problem in machine learning practice. Typical Imbalanced Learning (IL) methods balance the data via intuitive class-wise resampling or reweighting. Howe…

cs.CL2019★ 42 cited

A Novel Cascade Binary Tagging Framework for Relational Triple Extraction

Zhepei Wei, Jianlin Su, Yue Wang +2

Extracting relational triples from unstructured text is crucial for large-scale knowledge graph construction. However, few existing works excel in solving the overlapping triple pr…

cs.CL2019

Jointly Modeling Hierarchical and Horizontal Features for Relational Triple Extraction

Zhepei Wei, Yantao Jia, Yuan Tian +4

Recent works on relational triple extraction have shown the superiority of jointly extracting entities and relations over the pipelined extraction manner. However, most existing jo…