collaborators

5 papers

cs.LG2026

Memory Is No Longer a Bottleneck: Memory-Efficient Graph Filtering for Scalable Collaborative Filtering

Jin-Duk Park, Won-Yong Shin

Graph convolutional networks (GCNs) have demonstrated significant success in capturing complex user-item relationships for collaborative filtering (CF). However, due to their relia…

cs.IR2026

TRACE: Tourism Recommendation with Accountable Citation Evidence

Zixu Zhao, Sijin Wang, Yu Hou +6

Tourism is a high-stakes setting for conversational recommender systems (CRS): a plausible-sounding suggestion can waste real money and trip time once a traveler acts on it. Existi…

cs.IR2026

Training-free Adjustable Polynomial Graph Filtering for Ultra-fast Multimodal Recommendation

Yu-Seung Roh, Joo-Young Kim, Jin-Duk Park +1

Multimodal recommender systems improve the performance of canonical recommender systems with no item features by utilizing diverse content types such as text, images, and videos, w…

cs.IR2025

Leveraging Member-Group Relations via Multi-View Graph Filtering for Effective Group Recommendation

Chae-Hyun Kim, Yoon-Ryung Choi, Jin-Duk Park +1

Group recommendation aims at providing optimized recommendations tailored to diverse groups, enabling groups to enjoy appropriate items. On the other hand, most existing group reco…

cs.IR2025

Criteria-Aware Graph Filtering: Extremely Fast Yet Accurate Multi-Criteria Recommendation

Jin-Duk Park, Jaemin Yoo, Won-Yong Shin

Multi-criteria (MC) recommender systems, which utilize MC rating information for recommendation, are increasingly widespread in various e-commerce domains. However, the MC recommen…