“…A substantial number of papers related to knowledge based systems (KBS) have been published since the early 1990s (Kandil et al, 1992;Paton et al, 2000;Lai, 2007;Wen et al, 2008;Qian et al, 2009;Choi, 2009;Gebus & Leiviska, 2009;Pirró et al, 2009). In these papers, emphasis has been given mainly to the collection, management and application of the knowledge using information technology.…”