activity
20162026
most citedDetecting Comma-shaped Clouds for Severe Weather Forecasting using Shape and Motion

19 citations · 24 across the 19 of their papers we have counts for

collaborators

23 papers

cs.AI2026

Scaling in Games: Continued Pre-Training For Embodied Agents In Diverse Virtual Worlds

Kuan Zhang, Yukun Chen, Zhihao Yang +8

Scaling data, diversity and model capacity has improved embodied learning in physical environments, where diverse experiences remain grounded in shared physical laws. Whether these…

cs.CR2026

Towards Merging-conditional Backdoor Unalignment against Large Language Models

Yukun Chen, Yidou Chen, Yiming Li +4

Model merging has become widely adopted for enhancing the task-specific performance of Large Language Models (LLMs) without additional training. While the specialized model from th…

cs.CV2026

Video-Arena: A Scalable Agentic Video Benchmark for Spatiotemporal Capability

Kuan Zhang, Yukun Chen, Zhihao Yang +7

Understanding and tracking a dynamic world are fundamental to visual intelligence. Existing video benchmarks provide limited insight into whether models can maintain a coherent und…

cs.AI2026

FactorEngine: A Program-level Knowledge-Infused Factor Mining Framework for Quantitative Investment

Qinhong Lin, Ruitao Feng, Yinglun Feng +7

We study alpha factor mining, the automated discovery of predictive signals from noisy, non-stationary market data-under a practical requirement that mined factors be directly exec…

cs.CL2026

RuCL: Stratified Rubric-Based Curriculum Learning for Multimodal Large Language Model Reasoning

Yukun Chen, Jiaming Li, Longze Chen +10

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a prevailing paradigm for enhancing reasoning in Multimodal Large Language Models (MLLMs). However, relying sol…

cs.CL2026★ 2 cited

ERNIE 5.0 Technical Report

Haifeng Wang, Hua Wu, Tian Wu +432

In this report, we introduce ERNIE 5.0, a natively autoregressive foundation model desinged for unified multimodal understanding and generation across text, image, video, and audio…

cs.CL2026

Towards Cross-lingual Values Judgment: A Consensus-Pluralism Perspective

Yukun Chen, Xinyu Zhang, Boyi Deng +6

As large language models (LLMs) are employed worldwide, existing evaluation paradigms for their multilingual capabilities primarily focus on factual task performance, neglecting th…

cs.CR2025

Taught Well Learned Ill: Towards Distillation-conditional Backdoor Attack

Yukun Chen, Boheng Li, Yu Yuan +5

Knowledge distillation (KD) is a vital technique for deploying deep neural networks (DNNs) on resource-constrained devices by transferring knowledge from large teacher models to li…

cs.CL2025

Implicit Actor Critic Coupling via a Supervised Learning Framework for RLVR

Jiaming Li, Longze Chen, Ze Gong +5

Recent advances in Reinforcement Learning with Verifiable Rewards (RLVR) have empowered large language models (LLMs) to tackle challenging reasoning tasks such as mathematics and p…

cs.LG2025

Step-3 is Large yet Affordable: Model-system Co-design for Cost-effective Decoding

StepFun, :, Bin Wang +195

Large language models (LLMs) face low hardware efficiency during decoding, especially for long-context reasoning tasks. This paper introduces Step-3, a 321B-parameter VLM with hard…

cs.CR2025

DATABench: Evaluating Dataset Auditing in Deep Learning from an Adversarial Perspective

Shuo Shao, Yiming Li, Mengren Zheng +7

The widespread application of Deep Learning across diverse domains hinges critically on the quality and composition of training datasets. However, the common lack of disclosure reg…

cs.CL2025

STORYTELLER: An Enhanced Plot-Planning Framework for Coherent and Cohesive Story Generation

Jiaming Li, Yukun Chen, Ziqiang Liu +10

Stories are central to human culture, serving to share ideas, preserve traditions, and foster connections. Automatic story generation, a key advancement in artificial intelligence…

cs.CL2025

Breaking the Block: Preserving Data Continuity to Train Superior SAEs for Instruct Models

Jiaming Li, Haoran Ye, Yukun Chen +5

Sparse Autoencoders (SAEs) are a cornerstone of mechanistic interpretability. Existing training methods inherit the Block Training paradigm from LLM pre-training, which introduces…

cs.CL2025

EVADE-Bench: Multimodal Benchmark for Evaluating and Enhancing Evasive Content Detection

Ancheng Xu, Zhihao Yang, Jingpeng Li +9

E-commerce platforms increasingly rely on Large Language Models (LLMs) and Vision Language Models (VLMs) to detect illicit or misleading product content. However, these models rema…

cs.LG2025★ 1 cited

StreamRL: Scalable, Heterogeneous, and Elastic RL for LLMs with Disaggregated Stream Generation

Yinmin Zhong, Zili Zhang, Xiaoniu Song +11

Reinforcement learning (RL) has become the core post-training technique for large language models (LLMs). RL for LLMs involves two stages: generation and training. The LLM first ge…

cs.CR2025

REFINE: Inversion-Free Backdoor Defense via Model Reprogramming

Yukun Chen, Shuo Shao, Enhao Huang +4

Backdoor attacks on deep neural networks (DNNs) have emerged as a significant security threat, allowing adversaries to implant hidden malicious behaviors during the model training…

cs.CL2024

PersonaMath: Boosting Mathematical Reasoning via Persona-Driven Data Augmentation

Jing Luo, Longze Chen, Run Luo +12

While closed-source Large Language Models (LLMs) demonstrate strong mathematical problem-solving abilities, open-source models still face challenges with such tasks. To bridge this…

cs.LG2024

Optimizing RLHF Training for Large Language Models with Stage Fusion

Yinmin Zhong, Zili Zhang, Bingyang Wu +8

We present RLHFuse, an efficient training system with stage fusion for Reinforcement Learning from Human Feedback (RLHF). Due to the intrinsic nature of RLHF training, i.e., the da…

cs.IR2023

Towards the Better Ranking Consistency: A Multi-task Learning Framework for Early Stage Ads Ranking

Xuewei Wang, Qiang Jin, Shengyu Huang +10

Dividing ads ranking system into retrieval, early, and final stages is a common practice in large scale ads recommendation to balance the efficiency and accuracy. The early stage r…

cs.LG2021

Boxhead: A Dataset for Learning Hierarchical Representations

Yukun Chen, Andrea Dittadi, Frederik Träuble +2

Disentanglement is hypothesized to be beneficial towards a number of downstream tasks. However, a common assumption in learning disentangled representations is that the data genera…

cs.CV2018★ 19 cited

Detecting Comma-shaped Clouds for Severe Weather Forecasting using Shape and Motion

Xinye Zheng, Jianbo Ye, Yukun Chen +5

Meteorologists use shapes and movements of clouds in satellite images as indicators of several major types of severe storms. Satellite imaginary data are in increasingly higher res…

cs.LG2017

Aggregated Wasserstein Metric and State Registration for Hidden Markov Models

Yukun Chen, Jianbo Ye, Jia Li

We propose a framework, named Aggregated Wasserstein, for computing a dissimilarity measure or distance between two Hidden Markov Models with state conditional distributions being…

cs.LG2016★ 2 cited

A Distance for HMMs based on Aggregated Wasserstein Metric and State Registration

Yukun Chen, Jianbo Ye, Jia Li

We propose a framework, named Aggregated Wasserstein, for computing a dissimilarity measure or distance between two Hidden Markov Models with state conditional distributions being…