For large companies and complex organizations, the information provided extensions transaction processing subsystems and the operative management information management system used by the systems to support tactical and strategic management subsystem, the data entry in tactical and strategic management subsystems. In a distinguished subsystems integrated both horizontally (usually the result of dividing the work areas) and vertically (resulting from the existence of different levels of decision). Traffic management is a specific activity that involves driving human operator decision support rail traffic. Current computer technologies allow processing of a segment of decisions, especially routine that allows automation of many phases of the decision-making information . We propose establishing the methodological framework for the use of a decision support system to assist in operative management of Romanian railway traffic. We try to define three key concepts that appear in this issue: decision support systems (DSS), expert system (ES) and knowledge based expert system (KBES). Optimal solution will require more in-depth approaches depending on the specific problem.
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