Journal
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING
Volume 33, Issue 8, Pages 3035-3047Publisher
IEEE COMPUTER SOC
DOI: 10.1109/TKDE.2019.2961675
Keywords
Social networking (online); Feature extraction; Predictive models; Reliability; Recurrent neural networks; Convolutional neural networks; Rumor; early detection; deep neural network; social media
Categories
Funding
- Major Project of the National Social Science Foundation of China [13ZD190]
- National Research Foundation, Prime Minister's Office, Singapore under its IRC@Singapore Funding Initiative
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Rumors spread quickly on online social media, and there is a need for efficient methods to automatically detect rumors. This paper proposes a novel early rumor detection model, Credible Early Detection (CED), which significantly reduces the time span for prediction with better accuracy performance than existing methods.
Rumors spread dramatically fast through online social media services, and people are exploring methods to detect rumors automatically. Existing methods typically learn semantic representations of all reposts to a rumor candidate for prediction. However, it is crucial to efficiently detect rumors as early as possible before they cause severe social disruption, which has not been well addressed by previous works. In this paper, we present a novel early rumor detection model, Credible Early Detection (CED). By regarding all reposts to a rumor candidate as a sequence, the proposed model will seek an early point-in-time for making a credible prediction. We conduct experiments on three real-world datasets, and the results demonstrate that our proposed model can remarkably reduce the time span for prediction by more than 85 percent, with better accuracy performance than all state-of-the-art baselines.
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