Browsing by Author "3c4a538a-cbc5-4f1f-adc7-09de0b69547a"

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    • Aggregated 2D range queries on clustered points 
      Brisaboa, Nieves; De Bernardo, Guillermo; Konow Krause, Roberto; Navarro, Gonzalo (Pergamon-Elsevier Science, 2016)
      Efficient processing of aggregated range queries on two-dimensional grids is a common requirement in information retrieval and data mining systems, for example in Geographic Information Systems and OLAP cubes. We introduce ...
    • Compact representations of event sequences 
      Brisaboa, Nieves; De Bernardo, Guillermo; Navarro, Gonzalo; Rodeiro, Tirso; Seco, Diego (Institute of Electrical and Electronics Engineers Inc., 2018)
      We introduce a new technique for the efficient management of large sequences of multi-dimensional data, which takes advantage of regularities that arise in real-world datasets and supports different types of aggregation ...