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cs.IR2026
RouteRec: Behavior-Guided Sparse Routing for Sequential Recommendation
Junyeong Song, Jaemin Yoo
Sessionized interaction histories contain behavioral patterns that can improve sequential recommendation. However, existing models process all sessions through the same parameteriz…
cs.IR2026
PULSE: Socially-Aware User Representation Modeling Toward Parameter-Efficient Graph Collaborative Filtering
Doyun Choi, Cheonwoo Lee, Biniyam Aschalew Tolera +3
Graph-based social recommendation (SocialRec) has emerged as a powerful extension of graph collaborative filtering (GCF), which leverages graph neural networks (GNNs) to capture mu…
cs.IR2025
Simple and Behavior-Driven Augmentation for Recommendation with Rich Collaborative Signals
Doyun Choi, Cheonwoo Lee, Jaemin Yoo
Contrastive learning (CL) has been widely used for enhancing the performance of graph collaborative filtering (GCF) for personalized recommendation. Since data augmentation plays a…