1. Badges: Badges labeled with a "+" or "-" as a function of a person's name
2. ISTANBUL STOCK EXCHANGE: Data sets includes returns of Istanbul Stock Exchange with seven other international index; SP, DAX, FTSE, NIKKEI, BOVESPA, MSCE_EU, MSCI_EM from Jun 5, 2009 to Feb 22, 2011.
3. Northix: Northix is designed to be a schema matching benchmark problem for data integration of two entity relationship databases.
4. Planning Relax: The dataset concerns with the classification of two mental stages from recorded EEG signals: Planning (during imagination of motor act) and Relax state.