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cs.IR2026
Reddit2Deezer: A Scalable Dataset for Real-World Grounded Conversational Music Recommendation
Haven Kim, Julian McAuley
Conversational music recommendation (CMR) research currently faces a tradeoff between authentic dialogue corpora that are limited in scale and synthesized corpora that scale up but…
cs.IR2026
Expressiveness Limits of Autoregressive Semantic ID Generation in Generative Recommendation
Yupeng Hou, Haven Kim, Clark Mingxuan Ju +3
Generative recommendation (GR) models generate items by autoregressively producing a sequence of discrete tokens that jointly index the target item. However, this autoregressive ge…
cs.IR2026
FusID: Modality-Fused Semantic IDs for Generative Music Recommendation
Haven Kim, Yupeng Hou, Julian McAuley
Generative recommendation systems have achieved significant advances by leveraging semantic IDs to represent items. However, existing approaches that tokenize each modality indepen…