Now showing items 1-8 of 8

  • Aggregating energy flexibilities under constraints 

    Valsomatzis, Emmanouil; Bach Pedersen, Torben; Abelló Gamazo, Alberto; Hose, Katja (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    The flexibility of individual energy prosumers (producers and/or consumers) has drawn a lot of attention in recent years. Aggregation of such flexibilities provides prosumers with the opportunity to directly participate ...
  • Analytical metadata modeling for next generation BI systems 

    Varga, Jovan; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (2018-10)
    Article
    Restricted access - publisher's policy
    Business Intelligence (BI) systems are extensively used as in-house solutions to support decision-making in organizations. Next generation BI 2.0 systems claim for expanding the use of BI solutions to external data sources ...
  • Day-ahead trading of aggregated energy flexibility 

    Valsomatzis, Emmanouil; Bach Pedersen, Torben; Abelló Gamazo, Alberto (Association for Computing Machinery (ACM), 2018)
    Conference report
    Open Access
    Flexibility of small loads, in particular from Electric Vehicles (EVs), has recently attracted a lot of interest due to their possibility of participating in the energy market and the new commercial potentials. Different ...
  • 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
    Open Access
    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 ...
  • QB2OLAP : enabling OLAP on statistical linked open data 

    Varga, Jovan; Etcheverry, Lorena; Vaisman, Alejandro; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (2016)
    Conference report
    Open Access
    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 ...
  • SETL: A programmable semantic extract-transform-load framework for semantic data warehouses 

    Deb Nath, Rudra Pratap; Hose, Katja; Bach Pedersen, Torben; Romero Moral, Óscar (2017-08-01)
    Article
    Open Access
    In order to create better decisions for business analytics, organizations increasingly use external structured, semi-structured, and unstructured data in addition to the (mostly structured) internal data. Current ...
  • SETLBI: An integrated platform for semantic business intelligence 

    Deb Nath, Rudra Pratap; Hose, Katja; Bach Pedersen, Torben; Romero Moral, Óscar; Bhattacharjee, Amrit (Association for Computing Machinery (ACM), 2020)
    Conference report
    Open Access
    With the growing popularity of Semantic Web technologies, more and more organizations natively manage data using Semantic Web standards, in particular RDF. This development gives rise to new requirements for Business ...
  • SM4MQ: a semantic model for multidimensional queries 

    Varga, Jovan; Dobrokhotova, Ekaterina; Romero Moral, Óscar; Bach Pedersen, Torben; Thomsen, Christian (Springer, 2017)
    Conference report
    Open Access
    On-Line Analytical Processing (OLAP) is a data analysis approach to support decision-making. On top of that, Exploratory OLAP is a novel initiative for the convergence of OLAP and the Semantic Web (SW) that enables the use ...