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  1. Report on the Workshop on Learning and Evaluating Recommendations with Impressions (LERI) at RecSys 2023

    Article • ACM SIGIR Forum, December 2023, ACM (Association for Computing Machinery)

    Pablo Castells, Paolo Cognome

  2. Workshop on Learning and Evaluating Recommendations with Impressions (LERI)

    Article • September 2023, ACM (Association for Computing Machinery)

    Pablo Castells, Paolo Cognome

  3. NEST

    Article • October 2022, ACM (Association for Computing Machinery)

    Yongli Ren, Mark Sanderson, Chenglong Ma, Pablo Castells

  4. Fast online evaluation method for search ranking algorithms

    Article • October 2022, ACM (Association for Computing Machinery)

    Nan Bi, Pablo Castells

  5. How Collaborative Filtering Behaves When Groups of Users Suddenly Shift Preference?

    Article • July 2022, ACM (Association for Computing Machinery)

    Pablo Castells, Mark Sanderson, Yongli Ren, Chenglong Ma

  6. Human Preferences as Dueling Bandits

    Article • July 2022, ACM (Association for Computing Machinery)

    Ellen Voorhees, Pablo Castells

  7. RELISON: A Framework for Link Recommendation in Social Networks

    Article • July 2022, ACM (Association for Computing Machinery)

    Pablo Castells

  8. SimuRec: Workshop on Synthetic Data and Simulation Methods for Recommender Systems Research

    Article • September 2021, ACM (Association for Computing Machinery)

    Pablo Castells, Robin Burke

  9. Popularity Bias in False-positive Metrics for Recommender Systems Evaluation

    Article • ACM Transactions on Information Systems, July 2021, ACM (Association for Computing Machinery)

    Elisa Mena-Maldonado, Pablo Castells, Yongli Ren, Mark Sanderson

  10. On Target Item Sampling in Offline Recommender System Evaluation

    Article • September 2020, ACM (Association for Computing Machinery)

    Pablo Castells

  11. Metrics Disagreement in Recommender Systems Evaluation

    Article • July 2020, ACM (Association for Computing Machinery)

    Elisa Mena-Maldonado, Yongli Ren, Pablo Castells, Mark Sanderson

  12. Multi-armed recommender system bandit ensembles

    Article • September 2019, ACM (Association for Computing Machinery)

    Pablo Castells

  13. Structural Novelty and Diversity in Link Prediction

    Article • January 2018, ACM (Association for Computing Machinery)

    Pablo Castells