collaborators

6 papers

cs.AI2026

Logics-STEM: Empowering LLM Reasoning via Failure-Driven Post-Training and Document Knowledge Enhancement

Mingyu Xu, Cheng Fang, Keyue Jiang +16

We present Logics-STEM, a state-of-the-art reasoning model fine-tuned on Logics-STEM-SFT-Dataset, a high-quality and diverse dataset at 10M scale that represents one of the largest…

cs.LG2025

LGDC: Latent Graph Diffusion via Spectrum-Preserving Coarsening

Nagham Osman, Keyue Jiang, Davide Buffelli +2

Graph generation is a critical task across scientific domains. Existing methods fall broadly into two categories: autoregressive models, which iteratively expand graphs, and one-sh…

cs.AI2025

On the Importance of Task Complexity in Evaluating LLM-Based Multi-Agent Systems

Bohan Tang, Huidong Liang, Keyue Jiang +1

Large language model multi-agent systems (LLM-MAS) offer a promising paradigm for harnessing collective intelligence to achieve more advanced forms of AI behaviour. While recent st…

cs.LG2025

A Stage-Aware Mixture of Experts Framework for Neurodegenerative Disease Progression Modelling

Tiantian He, Keyue Jiang, An Zhao +5

The long-term progression of neurodegenerative diseases is commonly conceptualized as a spatiotemporal diffusion process that consists of a graph diffusion process across the struc…

cs.LG2025

Heterogeneous Graph Structure Learning through the Lens of Data-generating Processes

Keyue Jiang, Bohan Tang, Xiaowen Dong +1

Inferring the graph structure from observed data is a key task in graph machine learning to capture the intrinsic relationship between data entities. While significant advancements…

cs.LG2025

Effects of Dropout on Performance in Long-range Graph Learning Tasks

Jasraj Singh, Keyue Jiang, Brooks Paige +1

Message Passing Neural Networks (MPNNs) are a class of Graph Neural Networks (GNNs) that propagate information across the graph via local neighborhoods. The scheme gives rise to tw…