EU member states' defence expenditure sharply increased between 2021 and 2024. The EU has taken a number of initiatives to complement and amplify member states’ individual efforts, and to boost ...

Abstract: This paper proposes a user risk classification model that combines dynamic graph neural networks with a selfsupervised pretraining mechanism. The model is designed to address the dual ...

Abstract: This study addresses the issue of graph generation with generative models. In particular, we are concerned with graph community augmentation problem, which refers to the problem of ...