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Conference papers

Comparison of the Non-Personalized Active Learning Strategies Used in Recommender Systems

Georges Chaaya 1 Jacques Abou Abdo 2 Elisabeth Metais 1 Raja Chiky 3 Jacques Demerjian 4 Kablan Barbar 4
1 CEDRIC - ISID - CEDRIC. Ingénierie des Systèmes d'Information et de Décision
CEDRIC - Centre d'études et de recherche en informatique et communications
2 NDU - Notre Dame University-Louaize [Lebanon]
3 LISITE - Laboratoire d'Informatique, Signal et Image, Electronique et Télécommunication
4 Faculty of Sciences [Lebanese University]
Abstract : The study of recommender systems is essential nowadays due to its great effect on businesses and customer satisfaction. Different active learning strategies were previously developed to gain ratings from the users on specific items, and this enables the system to have more information and consequently make more accurate recommendations. In previous studies, these strategies were evaluated using a different selection of metrics in each work, and the experimentations were done on different datasets. In this paper, we solve these weaknesses by comparing the main ten non-personalized strategies on a fair ground, by simulating them against two datasets and using seven of the mostly agreed upon metrics. This gives more trust and less biased results when comparing their performances. Also, the analysis of the computation time and the elicitation efficiency is added.
Keywords : Recommender systems Collaborative filtering Active learning Cold-start problem Non-personalized strategies Accuracy metrics
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Conference papers
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https://hal.archives-ouvertes.fr/hal-02467422
Contributor : Elisabeth Métais Connect in order to contact the contributor
Submitted on : Tuesday, February 4, 2020 - 11:07:59 PM
Last modification on : Monday, February 21, 2022 - 3:38:18 PM

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CEDRIC-CNAM | CNAM | UNIV-HESAM

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Georges Chaaya, Jacques Abou Abdo, Elisabeth Metais, Raja Chiky, Jacques Demerjian, et al.. Comparison of the Non-Personalized Active Learning Strategies Used in Recommender Systems. European, Mediterranean, and Middle Eastern Conference on Information Systems EMCIS 2018: Information Systems, Oct 2018, Limassol, Cyprus. pp.443-456, ⟨10.1007/978-3-030-11395-7_34⟩. ⟨hal-02467422⟩

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