Search Results for author: Qingtian Bian

Found 7 papers, 6 papers with code

BrainOOD: Out-of-distribution Generalizable Brain Network Analysis

1 code implementation2 Feb 2025 Jiaxing Xu, Yongqiang Chen, Xia Dong, Mengcheng Lan, Tiancheng Huang, Qingtian Bian, James Cheng, Yiping Ke

Graph Neural Networks (GNNs) have shown promising in analyzing brain networks, but there are two major challenges in using GNNs: (1) distribution shifts in multi-site brain network data, leading to poor Out-of-Distribution (OOD) generalization, and (2) limited interpretability in identifying key brain regions critical to neurological disorders.

Multi-Atlas Brain Network Classification through Consistency Distillation and Complementary Information Fusion

no code implementations28 Sep 2024 Jiaxing Xu, Mengcheng Lan, Xia Dong, Kai He, Wei zhang, Qingtian Bian, Yiping Ke

Some recent methods have proposed utilizing multiple atlases, but they neglect consistency across atlases and lack ROI-level information exchange.

Contrasformer: A Brain Network Contrastive Transformer for Neurodegenerative Condition Identification

1 code implementation17 Sep 2024 Jiaxing Xu, Kai He, Mengcheng Lan, Qingtian Bian, Wei Li, Tieying Li, Yiping Ke, Miao Qiao

It generates a prior-knowledge-enhanced contrast graph to address the distribution shifts across sub-populations by a two-stream attention mechanism.

CPMR: Context-Aware Incremental Sequential Recommendation with Pseudo-Multi-Task Learning

1 code implementation9 Sep 2023 Qingtian Bian, Jiaxing Xu, Hui Fang, Yiping Ke

To dually improve the performance of temporal states evolution and incremental recommendation, we design a Pseudo-Multi-Task Learning (PMTL) paradigm by stacking the incremental single-target recommendations into one multi-target task for joint optimization.

Multi-Task Learning Sequential Recommendation

Contrastive Graph Pooling for Explainable Classification of Brain Networks

2 code implementations7 Jul 2023 Jiaxing Xu, Qingtian Bian, Xinhang Li, Aihu Zhang, Yiping Ke, Miao Qiao, Wei zhang, Wei Khang Jeremy Sim, Balázs Gulyás

Our contributions underscore the potential of ContrastPool for advancing the understanding of brain networks and neurodegenerative conditions.

Classification

Union Subgraph Neural Networks

1 code implementation25 May 2023 Jiaxing Xu, Aihu Zhang, Qingtian Bian, Vijay Prakash Dwivedi, Yiping Ke

We first investigate different kinds of connectivities existing in a local neighborhood and identify a substructure called union subgraph, which is able to capture the complete picture of the 1-hop neighborhood of an edge.

Computational Efficiency Graph Representation Learning

Cannot find the paper you are looking for? You can Submit a new open access paper.