collaborators

5 papers

cs.IR2026

Controllable and Content-Based Recommendations

Fırat Öncel, Jihoon Jeong, Emiliano Penaloza +3

Traditional recommendation systems rely on latent (dense) representations, making them difficult to interpret and control. We propose the Controllable and Content-Based Recommendat…

cs.CL2026

Optimizing User Profiles via Contextual Bandits for Retrieval-Augmented LLM Personalization

Linfeng Du, Ye Yuan, Zichen Zhao +8

Large language models (LLMs) excel at general-purpose tasks, yet adapting their responses to individual users remains challenging. Retrieval augmentation provides a lightweight alt…

cs.LG2025

Addressing Concept Mislabeling in Concept Bottleneck Models Through Preference Optimization

Emiliano Penaloza, Tianyue H. Zhang, Laurent Charlin +1

Concept Bottleneck Models (CBMs) propose to enhance the trustworthiness of AI systems by constraining their decisions on a set of human-understandable concepts. However, CBMs typic…

cs.IR2025

Audio Prototypical Network For Controllable Music Recommendation

Fırat Öncel, Emiliano Penaloza, Haolun Wu +4

Traditional recommendation systems represent user preferences in dense representations obtained through black-box encoder models. While these models often provide strong recommenda…

cs.IR2025

TEARS: Textual Representations for Scrutable Recommendations

Emiliano Penaloza, Olivier Gouvert, Haolun Wu +1

Traditional recommender systems rely on high-dimensional (latent) embeddings for modeling user-item interactions, often resulting in opaque representations that lack interpretabili…