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SAFER (Socially-Aware Fake News Detection Framework)

This repository contains the official code for the paper Graph-based Modeling of Online Communities for Fake News Detection

Abstract

Over the past few years, there has been a substantial effort towards automated detection of fake news on social media platforms. Existing research has modeled the structure, style, content, and patterns in dissemination of online posts, as well as the demographic traits of users who interact with them. However, no attention has been directed towards modeling the properties of online communities that interact with the posts. In this work, we propose a novel social context-aware fake news detection framework, SAFER, based on graph neural networks (GNNs). The proposed framework aggregates information with respect to: 1) the nature of the content disseminated, 2) content-sharing behavior of users, and 3) the social network of those users. We furthermore perform a systematic comparison of several GNN models for this task and introduce novel methods based on relational and hyperbolic GNNs, which have not been previously used for user or community modeling within NLP. We empirically demonstrate that our framework yields significant improvements over existing text-based techniques and achieves state-of-the-art results on fake news datasets from two different domains.

Results

Code

TBD

Citation

If you use this repository, please cite the paper:

@misc{ch2020graphbased,
    title={Graph-based Modeling of Online Communities for Fake News Detection},
    author={Shantanu Chandra and Pushkar Mishra and Helen Yannakoudakis and Madhav Nimishakavi and Marzieh Saeidi and Ekaterina Shutova},
    year={2020},
    eprint={2008.06274},
    archivePrefix={arXiv},
    primaryClass={cs.CL}
}