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Decision-making in the field of information systems has become more complex due to a larger number of alternatives, multiple and sometimes conflicting goals. In this paper we explore the appropriateness of Analytic Hierarchy Process (AHP) to support construction project bid decision-making. Since AHP can be applied if the decision problem includes multiple objectives, conflicting criteria, incommensurable units, and aims at selecting an alternative from a known set of alternatives. And Self-organizing feature map network (SOM) network can classify input models automatically by learning rules. That is, under the circumstance of no teachers, through repeated studies, it can capture all features of input data and organize them automatically. This paper attempts to establish a link between these two approaches. We combine AHP with SOM approach, explore and establish a new kind of evaluation model. The proposed model is applied to construction project bid system and a proof - of - concept prototype has been developed to demonstrate our model.