Abstract
The interior design of hotel inevitably includes the furniture installation. The design of furniture needs to select suitable material. Modern material production provides numerous alternatives but at the same time create another problem of selection the suitable one. The properties of materials in different aspects, e.g. strength, style, durability, etc., form a set of criteria in the selection. The criteria are normally conflicting and pose difficulty in the selection process. This paper proposes an MCDM methodology, namely interval TOPSIS, to facilitate the selection process by ranking the prospect materials according to a set of criteria. The interval TOPSIS is suitable for the real-world application where there is uncertainty in terms of interval numbers. The methodology is illustrated through an illustrative example. The methodology is readily extended to the material selection in other domain of application.
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