Multi-criteria house buying decision making based on type-2 fuzzy sets

Usually, when we take the decision related to house solution we deal with uncertain, vague preferences. In majority of existing works authors consider linguistic performance ratings in terms of Type-1 fuzzy numbers. In a situation with higher level of uncertainty, the use Type-2 fuzzy sets is more suitable. In this paper we apply Type-2 fuzzy sets-based approach to house selection problem.