Ara es mostren els items 124-131 de 131

    • Using OWL to integrate relational schemas 

      Abelló Gamazo, Alberto; Carpani, Fernando (2006-03)
      Report de recerca
      Accés obert
      Ontologies offer two contributions to the Semantic Web. On the first hand, they show a vocabulary consensus inside a community. On the other hand, they provide reasoning capabilities. In this paper we present a completely ...
    • Using semantic web technologies for exploratory OLAP: A survey 

      Abelló Gamazo, Alberto; Romero Moral, Óscar; Pedersen, Torben; Berlanga, Rafael; Nebot, Victoria; Aramburu, María José; Simitsis, Alkis (2015-02-01)
      Article
      Accés obert
    • Uso de LEARN-SQL en el aprendizaje cooperativo de bases de datos 

      Burgués Illa, Xavier; Quer, Carme; Abelló Gamazo, Alberto; Casany Guerrero, María José; Martín Escofet, Carme; Rodríguez González, María Elena; Urpí Tubella, Antoni (LIBROTEX, 2008)
      Comunicació de congrés
      Accés obert
      En este artículo se describen los cambios efectuados en algunas asignaturas del área de bases de datos en dos vertientes: organizativa y tecnológica. En la primera, el objetivo principal ha sido la introducción de técnicas ...
    • Utilización de glosarios de Moodle para incentivar la participación y dedicación de los estudiantes 

      Abelló Gamazo, Alberto; Burgués Illa, Xavier; Rodríguez González, M. Elena (Universidade de Santiago de Compostela. Escola Técnica Superior d'Enxeñaría, 2010-07-07)
      Comunicació de congrés
      Accés obert
      La entrada en el EEES y la adopción del nuevo sistema de créditos ECTS, que mide las horas de dedicación del estudiante y no las del profesor, hace que debamos plantearnos nuevos métodos docentes que incentiven, al ...
    • Web API evolution patterns: A usage-driven approach 

      Koçi, Rediana; Franch Gutiérrez, Javier; Jovanovic, Petar; Abelló Gamazo, Alberto (2023-01-12)
      Article
      Accés obert
      As the use of Application Programming Interfaces (APIs) is increasingly growing, their evolution becomes more challenging in terms of the service provided according to consumers' needs. In this paper, we address the role ...
    • Wrapper methods for multi-objective feature selection 

      Njoku, Uchechukwu Fortune; Abelló Gamazo, Alberto; Bilalli, Besim; Bontempi, Gianluca (OpenProceedings, 2023)
      Text en actes de congrés
      Accés obert
      The ongoing data boom has democratized the use of data for improved decision-making. Beyond gathering voluminous data, preprocessing the data is crucial to ensure that their most rele- vant aspects are considered during ...
    • YAM2 (Yet Another Multidimensional Model): an extension of UML 

      Abelló Gamazo, Alberto; Samos, J; Saltor Soler, Félix Enrique (2001-10)
      Report de recerca
      Accés obert
      This paper presents a multidimensional conceptual Object-Oriented model, its structures, integrity constraints and query operations. It has been developed as an extension of UML core metaclasses to facilitate its usage, ...
    • YAM^2: a multidimensional conceptual model 

      Abelló Gamazo, Alberto (Universitat Politècnica de Catalunya, 2002-04-26)
      Tesi
      Accés obert
      ABRSTRACT<br/>This thesis proposes YAM^2, a multidimensional conceptual model for OLAP(On-Line Analytical Processing). It is defined as an extension of UML (Unified Modeling Language). The aim is to benefit from Object-Oriented ...