1 code implementation • 15 Jun 2023 • Gabriel Bénédict, Olivier Jeunen, Samuele Papa, Samarth Bhargav, Daan Odijk, Maarten de Rijke
In this paper we propose RecFusion, which comprise a set of diffusion models for recommendation.
no code implementations • 5 Jun 2023 • Gabriel Bénédict, Ruqing Zhang, Donald Metzler
Generative information retrieval (IR) has experienced substantial growth across multiple research communities (e. g., information retrieval, computer vision, natural language processing, and machine learning), and has been highly visible in the popular press.
no code implementations • 17 Sep 2022 • Sanne Vrijenhoek, Gabriel Bénédict, Mateo Gutierrez Granada, Daan Odijk, Maarten de Rijke
In traditional recommender system literature, diversity is often seen as the opposite of similarity, and typically defined as the distance between identified topics, categories or word models.
1 code implementation • 24 Aug 2021 • Gabriel Bénédict, Vincent Koops, Daan Odijk, Maarten de Rijke
We propose a loss function, sigmoidF1, which is an approximation of the F1 score that (1) is smooth and tractable for stochastic gradient descent, (2) naturally approximates a multilabel metric, and (3) estimates label propensities and label counts.