no code implementations • 5 Jul 2023 • Shuhao Shi, Kai Qiao, Zhengyan Wang, Jie Yang, Baojie Song, Jian Chen, Bin Yan
Recently, more and more GNN-based methods have been proposed for bot detection.
1 code implementation • 14 Apr 2023 • Shuhao Shi, Kai Qiao, Jie Yang, Baojie Song, Jian Chen, Bin Yan
This paper proposes a Random Forest boosted Graph Neural Network for social bot detection, called RF-GNN, which employs graph neural networks (GNNs) as the base classifiers to construct a random forest, effectively combining the advantages of ensemble learning and GNNs to improve the accuracy and robustness of the model.
1 code implementation • 14 Feb 2023 • Shuhao Shi, Kai Qiao, Jie Yang, Baojie Song, Jian Chen, Bin Yan
The proposed framework is evaluated using three real-world bot detection benchmark datasets, and it consistently exhibits superiority over the baselines.
1 code implementation • 3 Jan 2023 • Shuhao Shi, Kai Qiao, Jian Chen, Shuai Yang, Jie Yang, Baojie Song, Linyuan Wang, Bin Yan
However, in addition to low annotation quality, existing benchmarks generally have incomplete user relationships, suppressing graph-based account detection research.
Ranked #1 on Stance Detection on MGTAB
no code implementations • 8 May 2022 • Shuhao Shi, Jian Chen, Kai Qiao, Shuai Yang, Linyuan Wang, Bin Yan
The Graph Convolutional Networks (GCNs) have achieved excellent results in node classification tasks, but the model's performance at low label rates is still unsatisfactory.
no code implementations • 29 Sep 2021 • Shuhao Shi, Pengfei Xie, Xu Luo, Kai Qiao, Linyuan Wang, Jian Chen, Bin Yan
AMC-GNN generates two graph views by data augmentation and compares different layers' output embeddings of Graph Neural Network encoders to obtain feature representations, which could be used for downstream tasks.
no code implementations • 3 Jun 2021 • Pengfei Xie, Linyuan Wang, Ruoxi Qin, Kai Qiao, Shuhao Shi, Guoen Hu, Bin Yan
In this paper, we propose a new gradient iteration framework, which redefines the relationship between the above three.