3 papers
cs.IR2025
When and What to Recommend: Joint Modeling of Timing and Content for Active Sequential Recommendation
Jin Chai, Xiaoxiao Ma, Jian Yang +1
Sequential recommendation models user preferences to predict the next target item. Most existing work is passive, where the system responds only when users open the application, mi…
cs.LG2025
Towards Faithful Class-level Self-explainability in Graph Neural Networks by Subgraph Dependencies
Fanzhen Liu, Xiaoxiao Ma, Jian Yang +6
Enhancing the interpretability of graph neural networks (GNNs) is crucial to ensure their safe and fair deployment. Recent work has introduced self-explainable GNNs that generate e…
cs.CL2024
Heterogeneous Subgraph Transformer for Fake News Detection
Yuchen Zhang, Xiaoxiao Ma, Jia Wu +2
Fake news is pervasive on social media, inflicting substantial harm on public discourse and societal well-being. We investigate the explicit structural information and textual feat…