“…In the business world, applications of this type are becoming more and more frequent: in finance (Parag & Pendharkar, 2005;Rada, 2008;Tian-Shyug et al, 2006), marketing (Kaefer, Heilman, & Ramenofsky, 2005), and human resource management (Sexton & McMurtrey, 2005). There has been a renewed interest in this type of technique in the last few years due to the difficulties inherent in such new problems as dealing with data mining, document classification, financial forecasts, web-mining, etc.…”