Enviaments recents

  • An approach for alert raising in real-time data warehouses 

    López, Maximiliano Ariel; Nadal Francesch, Sergi; Djedaini, Mahfoud; Marcel, Patrick; Peralta, Verónika; Furtado, Pedro (2015)
    Text en actes de congrés
    Accés obert
    This work proposes an approach for alert raising within a real-time data warehouse environment. It is based on the calculation of confidence intervals for measures from historical facts. As new facts arrive to the data ...
  • ACon: A learning-based approach to deal with uncertainty in contextual requirements at runtime 

    Knauss, Alessia; Damian, Daniela; Franch Gutiérrez, Javier; Rook, Angela; Müller, Haussi A.; Thomo, Alex (2016-02)
    Article
    Accés restringit per política de l'editorial
    Context: Runtime uncertainty such as unpredictable operational environment and failure of sensors that gather environmental data is a well-known challenge for adaptive systems. Objective: To execute requirements that ...
  • On-line analytical processing 

    Abelló Gamazo, Alberto; Romero Moral, Óscar (Springer, 2017-01-21)
    Capítol de llibre
    Accés restringit per política de l'editorial
    On-line analytical processing (OLAP) describes an approach to decision support, which aims to extract knowledge from a data warehouse, or more specifically, from data marts. Its main idea is providing navigation through ...
  • iStarJSON : a lightweight data-format for i* models 

    Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; López Cuesta, Lidia (CEUR-WS.org, 2016)
    Text en actes de congrés
    Accés obert
    JSON is one of the most widely used data-interchange format. There is a large number of tools open for modelling with i*. However, none of them provides supporting for JSON. In this paper we propose iStarJSON language, a ...
  • Towards intelligent data analysis : the metadata challenge 

    Bilalli, Besim; Abelló Gamazo, Alberto; Aluja Banet, Tomàs; Wrembel, Robert (2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Once analyzed correctly, data can yield substantial benefits. The process of analyzing the data and transforming it into knowledge is known as Knowledge Discovery in Databases (KDD). The plethora and subtleties of algorithms ...
  • A learning analytics tool with hybrid graphical and textual interpretation generation 

    Alier Forment, Marc; Amo Filvà, Daniel; Casany Guerrero, María José; Mayol Sarroca, Enric (Association for Computing Machinery (ACM), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The introduction and use of on-line learning resources has improved students learning process in several aspects. But at the same time, it also introduced more complexity and made more difficult to teachers how to analyze ...
  • Measuring the quality of open source software ecosystems using QuESo 

    Franco Bedoya, Óscar Hernán; Ameller, David; Costal Costa, Dolors; Franch Gutiérrez, Javier (Springer, 2015)
    Capítol de llibre
    Accés restringit per política de l'editorial
  • A case study for measuring informal learning in PLEs 

    García Peñalvo, Francisco Javier; Conde García, Miguel Ángel; Alier Forment, Marc; Colomo Palacios, Ricardo (2014-04-21)
    Article
    Accés obert
    The technological support for learning and teaching processes is constantly changing. Information and Communication Technologies (ICT) applied to education, cause changes that affect the way in which people learn. This ...
  • POIESIS: A tool for quality-aware ETL process redesign 

    Theodorou, Vasileios; Abelló Gamazo, Alberto; Thiele, Maik; Lehner, Wolfgang (2015)
    Text en actes de congrés
    Accés obert
    We present a tool, called POIESIS, for automatic ETL process enhancement. ETL processes are essential data-centric activities in modern business intelligence environments and they need to be examined through a viewpoint ...
  • Implementation and design of a service-based framework to integrate personal and institutional learning environments 

    Conde González, Miguel Angel; García Peñalvo, Francisco Javier; Alier Forment, Marc; Mayol Sarroca, Enric; Fernández Llamas, Camino (2014-08-01)
    Article
    Accés obert
    The landscape of teaching and learning has changed in recent years because of the application of Information and Communications technology. Among the most representative innovations in this regard are Learning Management ...

Mostra'n més