Search Results for author: Xianzhang Liu

Found 2 papers, 2 papers with code

An Unsupervised Learning Framework Combined with Heuristics for the Maximum Minimal Cut Problem

1 code implementation16 Aug 2024 Huaiyuan Liu, Xianzhang Liu, Donghua Yang, Hongzhi Wang, Yingchi Long, Mengtong Ji, Dongjing Miao, Zhiyu Liang

The unsupervised solver is inspired by a relaxation-plus-rounding approach, the relaxed solution is parameterized by graph neural networks, and the cost and penalty of MMCP are explicitly written out, which can train the model end-to-end.

Combinatorial Optimization valid

TodyNet: Temporal Dynamic Graph Neural Network for Multivariate Time Series Classification

1 code implementation11 Apr 2023 Huaiyuan Liu, Xianzhang Liu, Donghua Yang, Zhiyu Liang, Hongzhi Wang, Yong Cui, Jun Gu

Unfortunately, the existing deep learning-based methods neglect the hidden dependencies in different dimensions and also rarely consider the unique dynamic features of time series, which lack sufficient feature extraction capability to obtain satisfactory classification accuracy.

Classification Deep Learning +4

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