collaborators

9 papers

cs.CL2026

OmniEdu: Open Foundation Models for Learning and Teaching

Hao Liang, Qihan Lin, Meiyi Qiang +5

Educational foundation models must solve problems, understand curriculum structure, diagnose learner difficulties, and provide appropriate instructional support. Existing education…

cs.LG2026

DataFlex-RL: An Evaluation Platform for RLVR Data Policies

Hao Liang, Mingrui Chen, Hengyi Feng +2

Data policies for reinforcement learning with verifiable rewards (RLVR) determine which rollouts are used, how strongly they are weighted, and which domains contribute to subsequen…

cs.CL2026

GraspLLM: Towards Zero-Shot Generalization on Text-Attributed Graphs with LLMs

Hengyi Feng, Zeang Sheng, Meiyi Qiang +2

Research on Text-Attributed Graphs (TAGs) has gained significant attention recently due to its broad applications across various real-world data scenarios, such as citation network…

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.CV2026

TraceAV-Bench: Benchmarking Multi-Hop Trajectory Reasoning over Long Audio-Visual Videos

Hengyi Feng, Hao Liang, Mingrui Chen +6

Real-world audio-visual understanding requires chaining evidence that is sparse, temporally dispersed, and split across the visual and auditory streams, whereas existing benchmarks…

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.AI2026

Chain of Mindset: Reasoning with Adaptive Cognitive Modes

Tianyi Jiang, Arctanx An, Hengyi Feng +12

Human problem-solving is never the repetition of a single mindset, by which we mean a distinct mode of cognitive processing. When tackling a specific task, we do not rely on a sing…

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.CV2025

Generative Giants, Retrieval Weaklings: Why do Multimodal Large Language Models Fail at Multimodal Retrieval?

Hengyi Feng, Zeang Sheng, Meiyi Qiang +2

Despite the remarkable success of multimodal large language models (MLLMs) in generative tasks, we observe that they exhibit a counterintuitive deficiency in the zero-shot multimod…