Publications

Aug 11, 2026|KDD
From Habits to Discovery: Deploying LLMs for Personalized Generative Recommendations at Spotify
Reid Wilbur, Tarun Chillara, Vladan Radosavljevic, Pooja Chitkara, Sainath Adapa, Juan Elenter, Bernd Huber, Jacqueline Wood, Saaketh Vedantam, Jan Stypka, Sandeep Ghael, Martin D. Gould, David Murgatroyd, Yves Raimond, Mounia Lalmas, Paul N. Bennett
Aug 11, 2026|KDD
A Unified Model for Personalization: Language-Steerable Generative Recommendation, Search, and User Understanding
Shawn Lin, Jacqueline Wood, Jan Stypka, Eliza Klyce, Keshi Dai, Matthew N.K. Smith, Timothy Heath, Martin D. Gould, Yves Raimond, Sandeep Ghael, Tony Jebara, Andreas Damianou, Vladan Radosavljevic, Paul Bennett, Mounia Lalmas, Praveen Chandar
Aug 7, 2026|KDD
Stochastic Primal-Dual Decoding for Multiobjective Generative Recommender Systems
Dmitrii Moor, Ben Carterette, Senthilkumar Krishnamoorthy, Kyle Kretschman, Denis Beslic, Melissa Yalla, Alice Y Wang, Mounia Lalmas
Jul 27, 2026|SIGIR
As It Was: Aligning LLM Search Evaluation with Historical User Preferences
Ali Vardasbi, Gustavo Penha, Enrico Palumbo, Claudia Hauff, Hugues Bouchard, Mounia Lalmas
Jun 16, 2026|ICLR
Measuring Uncertainty Calibration
Kamil Ciosek, Nicolò Felicioni,Sina Ghiassian, Juan Elenter, Francesco Tonolini, David Gustafsson, Eva Garcia-Martin, Carmen Gonzalez, Raphaëlle Bertrand-Lalo
Jun 16, 2026|AISTATS
A Bayesian Information Theoretic Approach to Data Attribution
Dharmesh Tailor, Kamil Ciosek, Nicolò Felicioni
Jun 16, 2026|AISTATS
A Gaussian Process View on Observation Noise and Initialization in Wide Neural Networks
Sergio Calvo-Ordoñez, Jonathan Plenk, Richard Bergna, Alvaro Cartea, Jose Miguel Hernandez-Lobato, Konstantina Palla, Kamil Ciosek
Jun 16, 2026|CHIIR
PulseSearch: Modeling Long- and Short-term Patterns for Personalized Music Search Suggestions
Antonios Anagnostou, Jose Luis Redondo Garcia, Emelie Jin, Jonathan Warburton, Vinay Rao, Yannis Kantarelis, Daniel Lazarovski, Dani Doro, Francesco Cucari, Christine Doig Cardet, Hugues Bouchard, Dominic Child, Jonathan C. Brooks-Bartlett, Mounia Lalmas
Mar 17, 2026|WSDM
Cold-Starting Podcast Ads and Promotions with Multi-Task Learning on Spotify
Shivam Verma, Hannes Karlbom, Yu Zhao, Nick Topping, Vivian Chen, Kieran Stanley, Bharath Rengarajan
Nov 13, 2025|Journal of Causal Inference
Spillover Detection for Donor Selection in Synthetic Control Models
Michael O'Riordan, Ciarán Gilligan-Lee
Nov 11, 2025|CIKM
Learning Optimal Personalised Reservation Prices in Impression Ad Auctions with Mixture Density Networks
Dmitrii Moor, Emma Zetterdahl, Paul van Vliet, Zhenwen Dai, Mounia Lalmas
Sep 30, 2025|ICML
LLARK : A Multimodal Instruction-Following Language Model for Music
Joshua Gardner, Simon Durand, Daniel Stoller, Rachel Bittner
Sep 11, 2025|RecSys CONSEQUENCES Workshop
Calibrated Recommendations with Contextual Bandits
Diego Feijer, Himan Abdollahpouri, Sanket Gupta, Alexander Clare, Yuxiao Wen, Todd Wasson, Maria Dimakopoulou, Zahra Nazari, Kyle Kretschman, Mounia Lalmas
Sep 11, 2025|RecSys
Evaluating Podcast Recommendations with Profile-Aware LLM-as-a-Judge
Francesco Fabbri, Gustavo Penha, Edoardo D'Amico, Alice Wang, Marco De Nadai, Jackie Doremus, Paul Gigioli, Andreas Damianou, Oskar Stål, Mounia Lalmas
Sep 11, 2025|RecSys
Semantic IDs for Joint Generative Search and Recommendation
Gustavo Penha, Edoardo D'Amico, Marco De Nadai, Enrico Palumbo, Alexandre Tamborrino, Ali Vardasbi, Max Lefarov, Shawn Lin, Timothy Heath, Francesco Fabbri, Hugues Bouchard
Sep 11, 2025|RecSys EARL Workshop
AudioBoost: Increasing Audiobook Retrievability in Spotify Search with Synthetic Query Generation
Enrico Palumbo, Gustavo Penha, Alva Liu, Marcus Eltscheminov, Jefferson Carvalho dos Santos, Alice Wang, Hugues Bouchard, Humberto Jesús Corona Pampin, Michelle Tran Luu
Sep 9, 2025|RecSys
Generalized User Representations for Large-Scale Recommendations and Downstream Tasks
Ghazal Fazelnia, Sanket Gupta, Claire Keum, Mark Koh, Timothy Heath, Guillermo Carrasco Hernández, Stephen Xie, Nandini Singh, Ian Anderson, Maya Hristakeva, Petter Pehrson Skidén, Mounia Lalmas
Sep 9, 2025|RecSys
Prompt-to-Slate: Diffusion Models for Prompt-Conditioned Slate Generation
Federico Tomasi, Francesco Fabbri, Justin Carter, Elias Kalomiris, Mounia Lalmas, Zhenwen Dai
Sep 9, 2025|RecSys
You Say Search, I Say Recs: A Scalable Agentic Approach to Query Understanding and Exploratory Search at Spotify
Enrico Palumbo, Marcus Isaksson, Alexandre Tamborrino, Maria Movin, Catalin Dincu, Ali Vardasbi, Lev Nikeshkin, Oksana Gorobets, Anders Nyman, Poppy Newdick, Hugues Bouchard, Paul Bennett, Mounia Lalmas, Dani Doro, Christine Doig Cardet, Ziad Sultan
Sep 9, 2025|RecSys
Describe What You See with Multimodal Large Language Models to Enhance Video Recommendations
Marco De Nadai, Andreas Damianou, Mounia Lalmas

Explore our publications and scientific contributions

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

A Unified Model for Personalization: Language-Steerable Generative Recommendation, Search, and User Understanding

Stochastic Primal-Dual Decoding for Multiobjective Generative Recommender Systems

As It Was: Aligning LLM Search Evaluation with Historical User Preferences

Measuring Uncertainty Calibration

A Bayesian Information Theoretic Approach to Data Attribution

A Gaussian Process View on Observation Noise and Initialization in Wide Neural Networks

PulseSearch: Modeling Long- and Short-term Patterns for Personalized Music Search Suggestions

Cold-Starting Podcast Ads and Promotions with Multi-Task Learning on Spotify

Spillover Detection for Donor Selection in Synthetic Control Models

Learning Optimal Personalised Reservation Prices in Impression Ad Auctions with Mixture Density Networks

LLARK : A Multimodal Instruction-Following Language Model for Music

Calibrated Recommendations with Contextual Bandits

Evaluating Podcast Recommendations with Profile-Aware LLM-as-a-Judge

Semantic IDs for Joint Generative Search and Recommendation

AudioBoost: Increasing Audiobook Retrievability in Spotify Search with Synthetic Query Generation

Generalized User Representations for Large-Scale Recommendations and Downstream Tasks

Prompt-to-Slate: Diffusion Models for Prompt-Conditioned Slate Generation

You Say Search, I Say Recs: A Scalable Agentic Approach to Query Understanding and Exploratory Search at Spotify

Describe What You See with Multimodal Large Language Models to Enhance Video Recommendations