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MOReGIn: Multi-Objective Recommendation at the Global and Individual Levels
Indexado
WoS WOS:001211830500002
Scopus SCOPUS_ID:85189759781
DOI 10.1007/978-3-031-56027-9_2
Año 2024
Tipo proceedings paper

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Multi-Objective Recommender Systems (MORSs) emerged as a paradigm to guarantee multiple (often conflicting) goals. Besides accuracy, a MORS can operate at the global level, where additional beyond-accuracy goals are met for the system as a whole, or at the individual level, meaning that the recommendations are tailored to the needs of each user. The state-of-the-art MORSs either operate at the global or individual level, without assuming the co-existence of the two perspectives. In this study, we show that when global and individual objectives co-exist, MORSs are not able to meet both types of goals. To overcome this issue, we present an approach that regulates the recommendation lists so as to guarantee both global and individual perspectives, while preserving its effectiveness. Specifically, as individual perspective, we tackle genre calibration and, as global perspective, provider fairness. We validate our approach on two real-world datasets, publicly released with this paper (https://tinyurl.com/yc6nnx5v).

Métricas Externas



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Disciplinas de Investigación



WOS
Sin Disciplinas
Scopus
Computer Science (All)
Theoretical Computer Science
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Gomez, Elizabeth - Univ Barcelona - España
Universitat de Barcelona - España
2 CONTRERAS-AGUILAR, DAVID Hombre Universidad Arturo Prat - Chile
3 Boratto, Ludovico Hombre Univ Cagliari - Italia
Università degli Studi di Cagliari - Italia
4 Salamó, Maria Mujer Univ Barcelona - España
Universitat de Barcelona - España
5 Goharian, N -
6 Tonellotto, N -
7 He, Y -
8 Lipani, A -
9 McDonald, G -
10 Macdonald, C -
11 Ounis I -

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Financiamiento



Fuente
Generalitat de Catalunya
NLHPC
ANID-Chile
FairTransNLP-Language Project (MCIN-AEI-FEDER)

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
D. Contreras research was partially funded by postdoctoral project (grant No. 74200094) from ANID-Chile and by the supercomputing infrastructure of the NLHPC (ECM-02). M. Salamo was supported by the FairTransNLP-Language Project (MCIN-AEI-10.13039-501100011033-FEDER) and by the Generalitat de Catalunya (2021 SGR 00313). Maria also belongs to the Associated unit to CSIC by IIIA.
D. Contreras research was partially funded by postdoctoral project (grant No. 74200094) from ANID-Chile and by the supercomputing infrastructure of the NLHPC (ECM-02). M. Salam\u00F3 was supported by the FairTransNLPLanguage Project (MCIN-AEI-10.13039-501100011033-FEDER) and by the Generalitat de Catalunya (2021 SGR 00313). Maria also belongs to the Associated unit to CSIC by IIIA.

Muestra la fuente de financiamiento declarada en la publicación.