The DSS Architecture Based on Non-Mathematical Problems Specification and Model/Solver Independence
The proposed DSS architecture includes (1) specifying decision problems with an extended entity-relationship model ‘GERM’, (2) distinguishing a user-defined model from a standard model, (3) bridging a problem specification and its user-defined model through ‘unification condition’, and (4) bridging a user-defined model and a standard model through ‘connection information’. A prototypal DSS with the proposed architecture helps a decision-maker having insufficient mathematical knowledge to communicate with OR/MS experts and to select and invoke an adequate solver for a decision problem.
KeywordsDecision Support System Model Management Modeling Optimization Mathematical Programming
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