There is currently a considerable amount of experimental fact that individual gut opinion and judgment can be anything but favorable and get even worse with complications and pressure. For the reason that in many cases the quality of the evaluation is vital, supporting the decency of individual opinions and the evaluation process has been a major focus of science throughout the past. For example, auditing, statistics, financial matters and business research have developed various techniques for making consistent choices. To an even greater extent, these techniques, regularly improved by a series of methods derived from computer science, the acquisition of knowledge through the use of reasoning and the ability of reproduction, have been put into practice in the form of computer programs , moreover as separate tools or as embedded computing environments for carrying out difficult assessments. These environments are often given the ordinary name of decision support systems (DSS). First, DSS theory is extremely broad and its teeth differ, a...