A multiplier adjustment method for the generalized assignment problem
Management Science
Linear programming problems and ranking of fuzzy numbers
Fuzzy Sets and Systems
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Fuzzy Sets and Systems
Using ranking functions in multiobjective fuzzy linear programming
Fuzzy Sets and Systems - Fuzzy mathematical programming
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Fuzzy Sets and Systems - Special issue on soft decision analysis
Ranking fuzzy numbers based on decomposition principle and signed distance
Fuzzy Sets and Systems - Special issue on fuzzy numbers and uncertainty
An improved hybrid genetic algorithm for the generalized assignment problem
Proceedings of the 2004 ACM symposium on Applied computing
Solving the Generalized Assignment Problem: An Optimizing and Heuristic Approach
INFORMS Journal on Computing
An Ejection Chain Approach for the Generalized Assignment Problem
INFORMS Journal on Computing
First Course On Fuzzy Theory And Applications.
First Course On Fuzzy Theory And Applications.
Optimization of Grid Resource Allocation Combining Fuzzy Theory with Generalized Assignment Problem
GCC '07 Proceedings of the Sixth International Conference on Grid and Cooperative Computing
A review and classification of fuzzy mathematical programs
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology
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Computers and Operations Research
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Expert Systems with Applications: An International Journal
Multi-objective aggregate production planning with fuzzy parameters
Advances in Engineering Software
Particle swarm optimization for two-stage fuzzy generalized assignment problem
ICIC'10 Proceedings of the 6th international conference on Advanced intelligent computing theories and applications: intelligent computing
A direct solution approach to fuzzy mathematical programs with fuzzy decision variables
Expert Systems with Applications: An International Journal
Evaluation model of business intelligence for enterprise systems using fuzzy TOPSIS
Expert Systems with Applications: An International Journal
Comparison of weights in TOPSIS models
Mathematical and Computer Modelling: An International Journal
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Expert Systems with Applications: An International Journal
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In this paper, a direct solution approach for solving fuzzy multiple objective generalized assignment problems is proposed. In the problem, the coefficients and right hand side values of the constraints and the objective function coefficients are defined as fuzzy numbers. The addressed problem also has a multiple objective structure where the goals are determined so as to minimize the total cost and the imbalance between the workload of the agents. The direct solution approach utilizes the fuzzy ranking methods to rank the objective function values and to determine the feasibility of the constraints within a metaheuristic search algorithm, known as bees algorithm. Different fuzzy ranking methods, namely signed distance, integral value and area based approach are used in bees algorithm. For the computational study, the effects of these fuzzy ranking methods on the quality of the solutions are also analyzed.