Enviaments recents

  • Dimensional enrichment of statistical linked open data 

    Varga, Jovan; Vaisman, Alejandro; Romero Moral, Óscar; Etcheverry, Lorena; Bach Pedersen, Torben; Thomsen, Christian (2016-10-01)
    Article
    Accés restringit per política de l'editorial
    On-Line Analytical Processing (OLAP) is a data analysis technique typically used for local and well-prepared data. However, initiatives like Open Data and Open Government bring new and publicly available data on the web ...
  • A unified view of data-intensive flows in business intelligence systems : a survey 

    Jovanovic, Petar; Romero Moral, Óscar; Abelló Gamazo, Alberto (2016-12)
    Article
    Accés restringit per política de l'editorial
    Data-intensive flows are central processes in today’s business intelligence (BI) systems, deploying different technologies to deliver data, from a multitude of data sources, in user-preferred and analysis-ready formats. ...
  • Quality measures for ETL processes: from goals to implementation 

    Theodorou, Vasileios; Abelló Gamazo, Alberto; Lehner, Wolfgang; Thiele, Maik (2016-10-01)
    Article
    Accés obert
    Extraction transformation loading (ETL) processes play an increasingly important role for the support of modern business operations. These business processes are centred around artifacts with high variability and diverse ...
  • BSC best practices in professional training and teaching for the HPC ecosystem 

    Sancho Samsó, María Ribera (Elsevier, 2016-05-16)
    Article
    Accés restringit per política de l'editorial
    This paper outlines the key components of the European HPC ecosystems, analyses the major challenges as well as corresponding specific technical focus areas which needs to be addressed in European strategic research agenda ...
  • Analysis of applications to improve the energy savings in residential buildings based on Systemic Quality Model 

    Fonseca Casas, Antoni; Fonseca Casas, Pau; Casanovas Garcia, Josep (2016-10-19)
    Article
    Accés obert
    Creating a definition of the features and the architecture of a new Energy Management Software (EMS) is complex because different professionals will be involved in creating that definition and in using the tool. To simplify ...
  • A software tool for e-assessment of relational database skills 

    Abelló Gamazo, Alberto; Burgués Illa, Xavier; Casany Guerrero, María José; Martín Escofet, Carme; Quer Bosor, Maria Carme; Rodríguez González, M. Elena; Romero Moral, Óscar; Urpí Tubella, Antoni (Tempus Publications, 2016-01-01)
    Article
    Accés restringit per política de l'editorial
    The objective of this paper is to present a software tool for the e-assessment of relational database skills. The tool is referred to as LearnSQL (Learning Environment for Automatic Rating of Notions of SQL). LearnSQL is ...
  • DSS from an RE perspective: A systematic mapping 

    García, Stephany; Romero Moral, Óscar; Raventós Pagès, Ruth (2016-07)
    Article
    Accés restringit per política de l'editorial
    Decision support systems (DSS) provide a unified analytical view of business data to better support decision-making processes. Such systems have shown a high level of user satisfaction and return on investment. However, ...
  • A formal method for conceptual fit analysis 

    Olivé Ramon, Antoni (2016-01)
    Article
    Accés obert
    One criterion that has received little attention in COTS systems selection is what we call conceptual fit. The criterion assesses the fit between the conceptual structure of the user requirements and that of a candidate ...
  • Incremental consolidation of data-intensive multi-flows 

    Jovanovic, Petar; Romero Moral, Óscar; Simitsis, Alkis; Abelló Gamazo, Alberto (2016-05-01)
    Article
    Accés obert
    Business intelligence (BI) systems depend on efficient integration of disparate and often heterogeneous data. The integration of data is governed by data-intensive flows and is driven by a set of information requirements. ...
  • Towards a generic benchmarking platform for origin–destination flows estimation/updating algorithms: design, demonstration and validation 

    Antoniou, Constantinos; Barceló Bugeda, Jaime; Breen, Martijn; Bullejos, Manuel; Casas, Jordi; Cipriani, Ernesto; Ciuffo, Biagio; Djukic, Tamara; Hoogendoorn, Serge; Marzano, Vittorio; Montero Mercadé, Lídia; Nigro, Marialisa; Perarnau, Josep; Punzo, Vincenzo; Toledo, Tomer; van Lint, Hans (2016-05-01)
    Article
    Accés restringit per política de l'editorial
    Estimation/updating of origin-destination (OD) flows and other traffic state parameters is a classical, widely adopted procedure in transport engineering, both in off-line and in on-line contexts. Notwithstanding numerous ...

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