Operational Research

Interval-valued least square prenucleolus of interval-valued cooperative games and a simplified method

Game theory-based integration of scheduling with flexible and periodic maintenance planning in the permutation flowshop sequencing problem

Performance analysis of retrial queue with server subject to two types of breakdowns and repairs

Optimal multiple-period scheduling and sequencing of operating room and intensive care unit

Integer nonlinear programming and optimized weighted-average approach for mobile hotel recommendation by considering travelers' unknown preferences

Developing a rough set based approach for group decision making based on determining weights of decision makers with interval numbers

A framework for deployment of mobile business intelligence within small and medium enterprises in developing countries

Measuring regional sustainable competitiveness: a multi-criteria approach

Characterizing compromise solutions for investors with uncertain risk preferences

Integrating geometric programming with rough set theory