Learn over Past, Evolve for Future: Forecasting Temporal Trends for Fake News Detection

Autor:	Hu, Beizhe, Sheng, Qiang, Cao, Juan, Zhu, Yongchun, Wang, Danding, Wang, Zhengjia, Jin, Zhiwei
Rok vydání:	2023
Předmět:	Computer Science - Computation and Language Computer Science - Artificial Intelligence Computer Science - Social and Information Networks
Druh dokumentu:	Working Paper
Popis:	Fake news detection has been a critical task for maintaining the health of the online news ecosystem. However, very few existing works consider the temporal shift issue caused by the rapidly-evolving nature of news data in practice, resulting in significant performance degradation when training on past data and testing on future data. In this paper, we observe that the appearances of news events on the same topic may display discernible patterns over time, and posit that such patterns can assist in selecting training instances that could make the model adapt better to future data. Specifically, we design an effective framework FTT (Forecasting Temporal Trends), which could forecast the temporal distribution patterns of news data and then guide the detector to fast adapt to future distribution. Experiments on the real-world temporally split dataset demonstrate the superiority of our proposed framework. The code is available at https://github.com/ICTMCG/FTT-ACL23. Comment: Accepted at ACL 2023
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2306.14728 Zobrazit plný text záznamu View this record from Arxiv