Author

Juan Elenter

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Book Open access Aug 2026

From Habits to Discovery: Deploying LLMs for Personalized Generative Recommendations at Spotify

GLIDE is a production-scale generative recommender for podcast discovery at Spotify that increases non-habitual podcast streaming on Spotify home surface by up to 5.4% and new-show discovery by up to 14.3%, while meeting production cost and latency constraints.

Edoardo D’Amico, Marco De Nadai, P. Chandar et al. · Proceedings of the 32nd ACM... · 1 citation

#machine learning Preprint Nov 2025

Gradient Prediction with Control Variates in the Cheap-Forward Regime

On a 124M-parameter language model and selected short training windows, the method can lower simulated ledger cost relative to the tested baselines when fleet work is sufficiently cheap, and can lower simulated ledger cost relative to the tested baselines when fleet work is sufficiently cheap.

K. Ciosek, Nicolò Felicioni, Juan Elenter et al. · 2 citations

Preprint Aug 2026

The Disconnect Between Better Descriptive Reasoning Trace Quality and Recommendation Effectiveness

It is found that introducing explicit descriptive reasoning traces reduces traditional offline recommendation effectiveness under standard SFT and RL training, even though natural language titles produce substantially more grounded and interpretable traces.

G. Penha, Juan Elenter, Claudia Hauff et al. · 0 citations