Tianwen Chen

Session-Based Recommendation with Local Invariance

2019

Session-based recommendation is a task to predict users' next actions given a sequence of previous actions in the same session. Existing methods either encode the previous actions in a strict order or completely ignore the …

Handling Information Loss of Graph Neural Networks for Session-based Recommendation

2020

Recently, graph neural networks (GNNs) have gained increasing popularity due to their convincing performance in various applications. Many previous studies also attempted to apply GNNs to session-based recommendation and obtained promising results. However, we spot …