activity
20242026
collaborators

14 papers

cs.AI2026

ANDES: Agent Native Data Evolving Synthesis Tool for Autonomous Instruction Alignment

Zhengyang Zhao, Shengjie Ye, Lu Ma +3

AI agents are increasingly being tasked with automating AI research itself, particularly the critical post-training phase that transforms base LLMs into aligned assistants. However…

cs.CL2026

Training with Harnesses: On-Policy Harness Self-Distillation for Complex Reasoning

Zhengyang Zhao, Lu Ma, Wentao Zhang

Inference-time harnesses substantially improve large language models on complex reasoning tasks. However, the intrinsic capabilities of the underlying model remain unchanged by the…

cs.CV2026

Fractal Characterization of Low-Correlation Signals in AI-Generated Image Detection

Wenwei Xie, Jie Yin, Lu Ma +2

AI-generated imagery has reached near-photorealistic fidelity, yet this technology poses significant threats to information security and societal trust. Existing deepfake detection…

cs.LG2026

DataFlex: A Unified Framework for Data-Centric Dynamic Training of Large Language Models

Hao Liang, Zhengyang Zhao, Meiyi Qiang +22

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, a…

cs.CL2026

Thinking by Subtraction: Confidence-Driven Contrastive Decoding for LLM Reasoning

Lexiang Tang, Weihao Gao, Bingchen Zhao +4

Recent work on test-time scaling for large language model (LLM) reasoning typically assumes that allocating more inference-time computation uniformly improves correctness. However,…

cs.LG2026

GIFT: Reconciling Post-Training Objectives via Variational Finite-Temperature Gibbs Initialization

Zhengyang Zhao, Lu Ma, Yizhen Jiang +7

The prevailing post-training paradigm for Large Reasoning Models (LRMs)---Supervised Fine-Tuning (SFT) followed by Reinforcement Learning (RL)-suffers from an intrinsic optimizatio…

cs.AI2025

Leash: Adaptive Length Penalty and Reward Shaping for Efficient Large Reasoning Model

Yanhao Li, Lu Ma, Jiaran Zhang +3

Existing approaches typically rely on fixed length penalties, but such penalties are hard to tune and fail to adapt to the evolving reasoning abilities of LLMs, leading to suboptim…

cs.LG2025

DataFlow: An LLM-Driven Framework for Unified Data Preparation and Workflow Automation in the Era of Data-Centric AI

Hao Liang, Xiaochen Ma, Zhou Liu +32

The rapidly growing demand for high-quality data in Large Language Models (LLMs) has intensified the need for scalable, reliable, and semantically rich data preparation pipelines.…

cs.CL2025

DARO: Difficulty-Aware Reweighting Policy Optimization

Jingyu Zhou, Lu Ma, Hao Liang +3

Recent advances in large language models (LLMs) have shown that reasoning ability can be significantly enhanced through Reinforcement Learning with Verifiable Rewards (RLVR). Group…

cs.CV2025

Ming-Flash-Omni: A Sparse, Unified Architecture for Multimodal Perception and Generation

Inclusion AI, :, Bowen Ma +73

We propose Ming-Flash-Omni, an upgraded version of Ming-Omni, built upon a sparser Mixture-of-Experts (MoE) variant of Ling-Flash-2.0 with 100 billion total parameters, of which on…

cs.CV2025

Not All Tokens and Heads Are Equally Important: Dual-Level Attention Intervention for Hallucination Mitigation

Lexiang Tang, Xianwei Zhuang, Bang Yang +5

Large vision-language models (LVLMs) have demonstrated impressive capabilities across diverse multimodal tasks, yet they remain highly susceptible to visual hallucinations (VH), of…

cs.AI2025

Learning What Reinforcement Learning Can't: Interleaved Online Fine-Tuning for Hardest Questions

Lu Ma, Hao Liang, Meiyi Qiang +9

Recent advances in large language model (LLM) reasoning have shown that sophisticated behaviors such as planning and self-reflection can emerge through reinforcement learning (RL).…

cs.CV2025

Evaluating and Predicting Distorted Human Body Parts for Generated Images

Lu Ma, Kaibo Cao, Hao Liang +6

Recent advancements in text-to-image (T2I) models enable high-quality image synthesis, yet generating anatomically accurate human figures remains challenging. AI-generated images f…

cs.LG2024

Acceleration Algorithms in GNNs: A Survey

Lu Ma, Zeang Sheng, Xunkai Li +5

Graph Neural Networks (GNNs) have demonstrated effectiveness in various graph-based tasks. However, their inefficiency in training and inference presents challenges for scaling up…