*4.2. System Development*

The multi-level classification system comprises two computing modules, OAO-LSSVM and Optimized-OAO-LSSVM. Combining the OAO scheme with the LSSVM yielded the baseline model for solving multi-class classification problems. The LSSVM model was then further optimized using a swarm intelligence algorithm (enhanced FA). The GUI was created to help users to be acquainted with the environment of machine learning.
