A Computer Algebra Approach to Relational Systems Using Gröbner Bases. - Luis M. Laita; Eugenio Roanes-Lozano; Luis de Ledesma; Tomasa Calvo; León González-Sotos (RelMiCS, 2001)

Introducing fuzziness in object models and database interfaces through aspects. - Miguel-Ángel Sicilia; Elena García-Barriocanal; León González-Sotos (Int. J. Intell. Syst., 2006)

Precedencia Difusa y Generación de Itinerarios Docentes en Sistemas LCMS. - Juan David Alarcón Serrano; José Raúl Fernández del Castillo; León González-Sotos; José Javier Martínez-Herráiz (SPDECE, 2007)

Information Retrieval with Cluster Genetic. - José Luis Castillo Sequera; José Raúl Fernández del Castillo; León González-Sotos (IADIS European Conf. Data Mining, 2008)

Group Method of Documentary Collections Using Genetic Algorithms. - José Luis Castillo Sequera; José Raúl Fernández del Castillo; León González-Sotos (IWANN (2), 2009)

Algorithms of Machine Learning for K-Clustering. - José Luis Castillo Sequera; José R. Fernández-del-Castillo; León González-Sotos (PAAMS (Special Sessions and Workshops), 2010)