A fuzzy multi-criteria group decision making approach that makes use of quality function deployment (QFD), fusion of fuzzy information and 2-tuple linguistic representation model is developed for supplier selection. The proposed methodology seeks to establish the relevant supplier assessment criteria while also considering the impacts of inner dependence among them. Two interrelated house of qu...

Supplier selection is considered as one of the most critical issues encountered by operations and purchasing managers to sharpen the company’s competitive advantage. In this paper, a novel fuzzy multi-criteria group decision making approach integrating quality function deployment (QFD) and decision making trial and evaluation laboratory (DEMATEL) method is proposed for supplier selection. The p...

quality function development (qfd) is a planning tools used to fulfill customer expectation and qfd is a systematic process to translating customer requirement (whats) into technical description (hows). qfd aims to maximize customer satisfactions related to enterprise satisfaction. the inherent fuzziness of relationships in qfd modeling justifies the use of fuzzy regression for estimating the r...

Quality function deployment (QFD) is a customer-driven quality management tool that can improve system quality, promote innovation, and enhance the core competitiveness of enterprises. Nonetheless, traditional QFD method has defects in handling experts’ assessments, measuring customer requirement importance, prioritizing engineering characteristics, which affect its efficiency limit application...

one of the most important strategies for governments to increase the efficiency of different economic sectors, including public services such as water, is to protect and strengthen the private sector. bot and boo contracts are among the most common and popular procedures of development of participation and investment from private sector. in this context, providing a good basis for the selection...

Customer service is increasingly being recognized as a source of competitive advantage. Determining customer needs accurately, meeting and exceeding them in a consistent manner is the key to the effective customer service. Companies should adapt a strategic, proactive focus on customer service based on understanding logistics process and designing logistics system to meet their needs. This ...