Now showing items 1-4 of 4

    • An algebra for OLAP 

      Kuijpers, Bart; Vaisman, Alejandro Ariel (2017)
      "Online Analytical Processing (OLAP) comprises tools and algorithms that allow querying multidimensional databases. It is based on the multidimensional model, where data can be seen as a cube, where each cell contains one ...
    • Efficient analytical queries on semantic web data cubes 

      Etcheverry, Lorena; Vaisman, Alejandro Ariel (2017-12)
      "The amount of multidimensional data published on the semantic web (SW) is constantly increasing, due to initiatives such as Open Data and Open Government Data, among other ones. Models, languages, and tools, that allow ...
    • Mobility data warehouses 

      Vaisman, Alejandro Ariel; Zimányi, Esteban (2019)
      "The interest in mobility data analysis has grown dramatically with the wide availability of devices that track the position of moving objects. Mobility analysis can be applied, for example, to analyze traffic flows. To ...
    • Piet: a GIS-OLAP implementation 

      Vaisman, Alejandro Ariel; Gómez, Leticia Irene; Kuijpers, Bart; Escribano, Ariel (2007)
      "Data aggregation in Geographic Information Systems (GIS) is a desirable feature, although only marginally present in commercial systems, which also fail to provide integration between GIS and OLAP (On Line Analytical ...