Decision making is a common process in human activities. Every person or organization needs to make decisions besides dealing with uncertainty and vagueness associated with human cognition. The theory of fuzzy logic provides a mathematical base to model the uncertainities. Hesitant fuzzy linguistic term set (HFLTS) creates an appropriate method to deal with uncertainty in decision making. Manag...

Purpose This paper proposes a new multi-criteria decision-making method, called the vital-immaterial-mediocre method (VIMM), to determine weight of multiple conflicting and subjective criteria in problem. Design/methodology/approach The novel utilizes pairwise comparisons, vector-based procedures scoring approach weights criteria. VIMM compares alternatives by three crucial components, namely v...

Choosing the best option out of many available options is always goal to be achieved in all areas. However, parameters (criteria) each alternative are not same, sometimes contradictory. In this situation, choosing an extremely difficult decision for maker. Multi-criteria making (MCDM) ranking alternatives based on criteria alternative. More than one hundred multi-criteria decision-making method...

nowadays, project selection is a vital decision in many organizations. because competition among research projects in order to gain more budgets and to attain new scientific domain has increased. due to multiple objectives and budgeting restrictions for academic research projects have led to the use of expert system for decision making by academic and research centers. the existing methods suff...

nowadays, due to the competitive conditions of global market, corporations try to outsource their extraneous processes to third-party suppliers. so, selecting a proper supplier play a significant role in organization success. the supplier selection problem can be viewed as a group decision-making problem with multiple criteria. since in previous researches the inter relationship between criteri...