Now showing items 1-2 of 2

    • Reliable Multidimensional Data Summaries Using Histograms 

      Shekelyan, Michael (Free University of Bozen-Bolzano, 2018)
      The main focus of this thesis is the data summary problem, where one takes a large set of multidimensional data points in the Euclidean space, creates a data summary that is much smaller and then uses only the summary to ...
    • Theta-constrained multi-dimensional aggregation 

      Akinde M; Böhlen MH; Chatziantoniou D; Gamper J (2011)
      The SQL:2003 standard introduced window functions to enhance the analytical processing capabilities of SQL. The key concept of window functions is to sort the input relation and to compute the aggregate results during a ...