Recently, various information exists on Web and we can obtain the latest information from Web pages. In this paper, we propose a methodology for decision-making that used such information. However, there is a problem of taking the labor in order to judge whether it is right result or not for multiple results, and effort to looking for the information which is needed Then, in this paper, we propose a method of decision-making support system in web service. In making decision, the decision-maker often imposes certain qualifications on alternatives. For the vague evaluation items, the decision-maker may give his desire "At least they should satisfy my minimal requirements". To formulate the problem, we introduce the fuzzy relation inequality.