Enviaments recents

  • 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 ...
  • A simulation framework for real-time assessment of dynamic ride sharing demand responsive transportation models 

    Linares Herreros, Mª Paz; Montero Mercadé, Lídia; Barceló Bugeda, Jaime; Carmona, carlos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    Sustainable mobility is not only a technological question, automotive technology will be part of the solution combined with a paradigm shift from car ownership to vehicle usage, and the application of Information and ...
  • Towards information profiling: data lake content metadata management 

    Al-serafi, Ayman Mounir Mohamed; Abelló Gamazo, Alberto; Romero Moral, Óscar; Calders, Toon (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    There is currently a burst of Big Data (BD) processed and stored in huge raw data repositories, commonly called Data Lakes (DL). These BD require new techniques of data integration and schema alignment in order to make the ...
  • A machine learning approach for layout inference in spreadsheets 

    Koci, Elvis; Thiele, Maik; Romero Moral, Óscar; Lehner, Wolfgang (SciTePress, 2016)
    Text en actes de congrés
    Accés obert
    Spreadsheet applications are one of the most used tools for content generation and presentation in industry and the Web. In spite of this success, there does not exist a comprehensive approach to automatically extract and ...
  • NOSQL design for analytical workloads: Variability matters 

    Herrero Otal, Víctor; Abelló Gamazo, Alberto; Romero Moral, Óscar (Springer, 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Big Data has recently gained popularity and has strongly questioned relational databases as universal storage systems, especially in the presence of analytical workloads. As result, co-relational alternatives, commonly ...
  • Towards exploratory OLAP on linked data 

    Abelló Gamazo, Alberto; Gallinucci, Enrico; Golfarelli, Matteo; Rizzi Bach, Stefano; Romero Moral, Óscar (2016)
    Text en actes de congrés
    Accés obert
    In the context of exploratory OLAP, coupling the information wealth of linked data with the precision and detail of corporate data can greatly improve the effectiveness of the decision-making process. In this paper we ...
  • Analysis of the gamification applications to improve the energy savings in residential buildings 

    Fonseca Casas, Pau; Casanovas Garcia, Josep (Asociación Española para la Inteligencia Artificial (AEPIA), 2016)
    Text en actes de congrés
    Accés obert
    This paper proposes a set of metrics to evaluate and compare applications in a new but quickly developing field – energy management software (EMS) in residential buildings. The goal of the paper is to highlight tendencies ...
  • QB2OLAP : enabling OLAP on statistical linked open data 

    Varga, Jovan; Etcheverry, Lorena; Vaisman, Alejandro; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (2016)
    Text en actes de congrés
    Accés obert
    Publication and sharing of multidimensional (MD) data on the Semantic Web (SW) opens new opportunities for the use of On-Line Analytical Processing (OLAP). The RDF Data Cube (QB) vocabulary, the current standard for ...
  • A case study on cooperative car data for traffic state estimation in an urban network 

    Montero Mercadé, Lídia; Pacheco, Meritxell; Barceló Bugeda, Jaime; Homoceau, Silvio; Casanovas Garcia, Josep (2016)
    Text en actes de congrés
    Accés obert
    The use of Floating Car Data (FCD) as a particular case of Probe Vehicle Data (PVD) has been the object of extensive research for estimating traffic conditions, travel times and Origin to Destination trip matrices. It ...
  • Web simulation training environment for aircraft resource planning in wildfire events 

    Figueras Jové, Jaume; Guasch Petit, Antonio; Casanovas Garcia, Josep (2015)
    Comunicació de congrés
    Accés obert
    This poster presents a simulation tool developed in cooperation with the Catalonia firefighting authority to provide a training environment for firefighter air operations commanders in wildfire events. In case of a wildfire ...

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