In this paper, we present the new developments of the interactive Decision Support System (DSS) named SABILOC (, ). SABILOC is aimed at supporting decision-making concerning bicriteria location models in which the facilities to be located could have environmental impacts. The decision support is provided through two interactive phases. First, a combinatorial optimization procedure to obtain non-dominated solutions for bicriteria location problems is used. A Geographic Information System was embedded into the DSS () in order to obtain relevant data for the models concerned, especially those considering enviromental issues. In the second phase, a set of compromise alternatives can be analyzed in detail using a multi-attribute a posteriori analysis tool. This one stands for a simple interactive implementation of the conjunctive method making use of a radar chart as basis for the procedure.
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