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Visar resultat 26 - 26 av 26 uppsatser innehållade ordet aggregations.

  1. 26. Interactive visualization of financial data : Development of a visual data mining tool

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för informationsteknologi

    Författare :Joakim Saltin; [2012]
    Nyckelord :visual data mining; visualization; data warehousing; software engineering; materialized views; OLAP; OLAP cubes; greedy algorithm; high-performance query;

    Sammanfattning : In this project, a prototype visual data mining tool was developed, allowing users to interactively investigate large multi-dimensional datasets visually (using 2D visualization techniques) using so called drill-down, roll-up and slicing operations. The project included all steps of the development, from writing specifications and designing the program to implementing and evaluating it. LÄS MER