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Conference Papers Year : 2022

Serialized Interacting Mixed Membership Stochastic Block Model

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Abstract

Last years have seen a regain of interest for the use of stochastic block modeling (SBM) in recommender systems. These models are seen as a flexible alternative to tensor decomposition techniques that are able to handle labeled data. Recent works proposed to tackle discrete recommendation problems via SBMs by considering larger contexts as input data and by adding second order interactions between contexts' related elements. In this work, we show that these models are all special cases of a single global framework: the Serialized Interacting Mixed membership Stochastic Block Model (SIMSBM). It allows to model an arbitrarily large context as well as an arbitrarily high order of interactions. We demonstrate that SIMSBM generalizes several recent SBM-based baselines. Besides, we demonstrate that our formulation allows for an increased predictive power on six real-world datasets.
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Dates and versions

hal-03778896 , version 1 (27-09-2022)

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  • HAL Id : hal-03778896 , version 1

Cite

Gaël Poux-Médard, Julien Velcin, Sabine Loudcher Rabaseda. Serialized Interacting Mixed Membership Stochastic Block Model. IEEE International Conference on Data Mining (ICDM 2022), 2022, Palermo, Italy. ⟨hal-03778896⟩
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