Choosing the most appropriate aircraft type for a given route is one of crucial issues that decision makers at airline companies have to address under uncertainty based on various commercial, marketing and operational criteria. A novel multi-criteria making approach integrating Entropy-based Weighted Aggregated Sum Product Assessment (WASPAS) method interval type-2 hesitant fuzzy sets (IT2HFS) ...

Abstract Some industrial data often come with uncertainty, which in some cases depends on the decision of those responsible for taking measurement production process. While fuzzy approach helps to tackle ambiguity that arises measurement, an interval type-2 set deals such uncertainty better due its flexibility over control limits chart. This paper aims develop Interval Type-2 Exponentially Weig...

choosing the right set of projects is the first step of project oriented firms in strategic project portfolio management. since economic growth depends on environmental and social issues, sustainable development has been an essential part of firms' plans to keep their competitive advantage. moreover, market conditions, fast worldwide changes and other similar issues have given these issue ...