Heterogeneous Graph Convolutional Network-Based Dynamic Rumor Detection on Social Media

Dingguo Yu, Yijie Zhou, Suiyu Zhang, Chang Liu and Keke Shang

Complexity, 2022, vol. 2022, 1-10

Abstract: The development of social media has provided open and convenient platforms for people to express their opinions, which leads to rumors being circulated. Therefore, detecting rumors from massive information becomes particularly essential. Previous methods for rumor detection focused on mining features from content and propagation patterns but neglected the dynamic features with joint content and propagation pattern. In this paper, we propose a novel heterogeneous GCN-based method for dynamic rumor detection (HDGCN), mainly composed of a joint content and propagation module and an ODE-based dynamic module. The joint content and propagation module constructs a content-propagation heterogeneous graph to obtain rumor representations by mining and discovering the interaction between post content and propagation structures in the rumor propagation process. The ODE-based dynamic module leverages a GCN integrated with an ordinary differential system to explore dynamic features of heterogeneous graphs. To evaluate the performance of our proposed HDGCN model, we have conducted extensive experiments on two real-world datasets from Twitter. The results of our proposed model have outperformed the mainstream model.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:8393736

DOI: 10.1155/2022/8393736

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