Research

Publications

My research includes different areas mostly in applied topics. Below, you will find publications on Large Language Models, Bayesian inference, Social Network Analysis, and Recommender Systems.

Le Bronnec, F., Duong, S., Ravaut, M., Allauzen, A., Chen, N. F., Guigue, V., Lumbreras, A., Soulier, L., Gallinari, P. “LOCOST: State-Space Models for Long Document Abstractive Summarization.” Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics, 2024. (Best paper award)

Vongpaseut, C., Lumbreras, A., Gartrell, M., Gallinari, P. “Evaluating the Generalization Property of Prefix-based Methods for Data-to-text Generation.” Actes de CORIA-TALN 2023. Actes de la 30e Conférence sur le Traitement Automatique des Langues Naturelles (TALN), volume 2: travaux de recherche originaux–articles courts, 2023.

Duong, S., Lumbreras, A., Gartrell, M., Gallinari, P. “Learning from Multiple Sources for Data-to-Text and Text-to-Data.” International Conference on Artificial Intelligence and Statistics, 2023.

Lumbreras, A., Filstroff, L., Févotte, C. “Bayesian Mean-parameterized Nonnegative Binary Matrix Factorization.” Data Mining and Knowledge Discovery, 2020.

Filstroff, L., Lumbreras, A., Févotte, C. “Closed-form Marginal Likelihood in Gamma-Poisson Matrix Factorization.” International Conference on Machine Learning, 2018.

Lumbreras, A., Jouve, B., Velcin, J., Guégan, M. “Role detection in online forums based on growth models for trees.” Social Network Analysis and Mining, 2017.

Lumbreras, A., Guégan, M., Velcin, J., Jouve, B. “Non-parametric clustering over user features and latent behavioral functions with dual-view mixture models.” Computational Statistics, 2016.

Lumbreras, A., Lanagan, J., Velcin, J., Jouve, B. “Analyse des rôles dans les communautés virtuelles : définitions et premières expérimentations sur IMDb.” Modèles et Analyses Réseau : Approches Mathématiques et Informatiques, 2013.

Lumbreras, A., Lanagan, J., Jouve, B., Velcin, J. “An insight into the Analysis of Roles in IMDb.” Workshop on Complexity in social systems: from data to models, Cergy Pontoise (95), 2013.

Lumbreras, A., Gavaldà, R. “Applying trust metrics based on user interactions to recommendation in social networks.” IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, Social Knowledge Discovery and Utilization Workshop, 2012.

Toret, J. (coord.), Aguilera, M., Aragón, P., Calleja, A., Lumbreras, A., Marín, Ó. “Tecnopolítica: la potencia de las multitudes conectadas. El sistema red 15M, un nuevo paradigma de la política distribuida.” Ed.: Universitat Oberta de Catalunya, 2012.

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Aragón, P., Gómez, V., Lumbreras, A., Kaltenbrunner, A. “Generative models of online discussion threads (Tutorial).” The 2018 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2018.

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Lumbreras, A. “Automatic Role Detection in Online Forums.” PhD Thesis. Université Lyon 2 - Technicolor, 2016. Supervised by: Bertrand Jouve, Julien Velcin, Marie Guégan

Lumbreras, A. “Towards Trust-Aware Recommender Systems.” Masther’s Thesis. Master on Artificial Intelligence. Universitat Politècnica de Catalunya, 2012. Supervised by: Ricard Gavaldà.

Talks

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