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A recommender system based on group consensus
Roselló Saurí, Llorenç; Prats Duaygues, Francesc; Sánchez Soler, Monica; Agell Jané, Núria
Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada II; Universitat Politècnica de Catalunya. GREC - Grup de Recerca en Enginyeria del Coneixement
This paper presents the foundation for a new methodology for a collaborative recommender system (RS). This methodology is based on the degree of consensus of a group of users stating their preferences via qualitative orders-of-magnitude. The structure of distributive lattice is considered in defining the distance between users and the RSs new users. This proposed methodology incorporates incomplete or partial knowledge into the recommendation process using qualitative reasoning techniques to obtain consensus of its users for recommendations.
Àrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica aplicada a les ciències
Recommender systems (Information filtering)
Qualitative reasoning
Ordered algebraic structures
Entropy
Sistemes recomanadors (Filtratge d'informació)
Raonament qualitatiu
Estructures algebraiques ordenades
Entropia
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
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