Browsing Electronic Theses and Dissertations by Subject "Data cleaning"

Now showing items 1-2 of 2

    • Discovery of trend dependencies over time-series 

      Bode, Nicholas (2023-11-01)
      We improve constraint-based data quality using trend dependency (TD) discovery, extending existing order dependencies (ODs) to allow variations and exceptions. Unlike ODs, TDs capture approximate functional mappings between ...

    • Integration of heterogeneous data types using self organizing maps 

      Bourennani, Farid (2009-07-01)
      With the growth of computer networks and the advancement of hardware technologies, unprecedented access to data volumes become accessible in a distributed fashion forming heterogeneous data sources. Understanding and ...