HIS '06, NCEI 2006 Hybrid Intelligent Systems, December 13-15, 2006, Auckland : proceedings, Sixth International Conference on Hybrid Intelligent Systems and Fourth Conference on Neuro-Computing and Evolving Intelligence : HIS-NCEI 2006 / [sponsored by AUT University, Knowledge, Engineering & Discovery Research Institute (KEDRI), and NZSC]. (IEEE Computer Society, 2006)