collaborators

6 papers

cs.IR2026

Personalized and Multi-View Representation for Federated Cold-Start Recommendation

Jaehyung Lim, Wonbin Kweon, Woojoo Kim +3

Federated recommendation (FedRec) enables personalized modeling without centralizing users' interaction histories, but most existing methods assume a fixed item pool and thus overl…

cs.IR2026

TRACER: Balancing Stability-Plasticity-Cognitivity Trilemma for LLM Enhanced Continual Recommendation

WooJoo Kim, HyunSik Yoo, JunYoung Kim +3

Continual recommendation aims to capture evolving user interests from streaming data but struggles with sparsity. LLM enhancers mitigate this with semantic knowledge, but naive int…

cs.IR2026

GOD: Enhancing Generalization via Deep Grafting for Sequential Recommendation

WooJoo Kim, JunYoung Kim, JaeHyung Lim +1

Sequential recommenders often struggle with sparse and noisy histories, limiting generalization to unseen interactions. Knowledge distillation mitigates this by transferring dense…

cs.IR2026

From Overlooked to Explored: Recovering Item Relations via Mixture of Perspectives for Sequential Recommendation

Junyoung Kim, Wonbin Kweon, Woojoo Kim +3

Capturing user preference from a user's interaction sequence is the central challenge of Sequential Recommendation (SR). This preference intuitively emerges from inter-item relatio…

cs.IR2025

Personalized Federated Recommendation With Knowledge Guidance

Jaehyung Lim, Wonbin Kweon, Woojoo Kim +3

Federated Recommendation (FedRec) has emerged as a key paradigm for building privacy-preserving recommender systems. However, existing FedRec models face a critical dilemma: memory…

cs.LG2025

Federated Continual Recommendation

Jaehyung Lim, Wonbin Kweon, Woojoo Kim +4

The increasing emphasis on privacy in recommendation systems has led to the adoption of Federated Learning (FL) as a privacy-preserving solution, enabling collaborative training wi…