Before revision:  Such assumptions significantly limit the effectiveness of existing approaches. In contrast , we propose AMDN (Attentive Mixture Density Network ) to automatically uncover coordinated group behaviours from account activities and interactions between accounts, based on temporal point processes.
After revision:  To address these drawbacks , we propose AMDN (Attentive Mixture Density Network ) to automatically uncover coordinated group behaviours from account activities and interactions between accounts, based on temporal point processes.