Before revision:  In this paper, we focus on studying the HIN- based fake news detection problem. We propose a novel fake news detection framework, namely Hierarchical Graph Attention Network(HGAT) which employs a novel hierarchical attention mechanism to detect fake news by classifying news article nodes in the HIN.
After revision:  In this paper, we propose a novel fake news detection framework, namely Hierarchical Graph Attention Network(HGAT) which employs a novel hierarchical attention mechanism to detect fake news by classifying news article nodes in the HIN.