an integrated fis-qfd model for evaluation of internet service provider

the supplier selection is a multi-criteria decision making which consist both qualities and quantities metrics. a lot of investigations have been published in the supplier selection area and, most of the proposed models focused on manufacturing environments and a few papers have been allocated for service industries. proposed system utilizes new method that transfer the house of quality (hoq) approach typically of quality function deployment (qfd) problems to the supplier selection process also this model can rate both qualitative and quantitative criteria’s and select suitable suppliers effectively. symmetrical fuzzy triangular numbers (stfns) are used to capture the vagueness in people’s linguistics assessments and also in this model the weights of decision makers are different and this parameter is calculated by fuzzy inference system