A MULTI-CRITERIA CALL CENTER SITE SELECTION BY HIERARCHY GREY RELATIONAL ANALYSIS
Facility location selection is a decision problem that takes into consideration both qualitative and quantitative factors and also is one of the most important strategic decisions affecting organizations in terms of business success. Fundamentally, it comprises evaluating a group of alternative sites on the basis of multiple criteria. In this context when alternatives and factors are multitudinous, multi-criteria decision making methods are being used for successful decisions. In this paper the decision problem is exemplified by applying on a part of a project for a call center site selection by using one of the multi-criteria decision-making methods, namely hierarchy grey relational analysis, based on application of analytic hierarchy process (AHP) and grey relational analysis (GRA) methods. The goal of the selection is to determine the most appropriate location among the alternatives. Nine cities given as alternatives are evaluated and compared against human resources, economic and regional conditions including fourteen sub-criteria.
 Tzeng, G. H., Teng, M. H., Chen, J. J., Opricovic, S., (2002) “Multicriteria Selection for a Restaurant Location in Taipei”, International Journal of Hospitality Management, 21(2): 171-187.
 Fernandez, I., Ruiz M. C., (2009) “Descriptive Model and Evaluation System to Locate Sustainable Industrial Areas”, Journal of Cleaner Production, 17(1): 87-100.
 Badri, M. A., (1999) “Combining the Analytic Hierarchy Process and Goal Programming for Global Facility Location-Allocation Problem”, Int. J. Production Economics, Vol. 62: 237-248.
 Deng, J. L., (1989) “Introduction to Grey System”, Journal of Grey System, 1(1), 1-24.
 Wen, K. L., (2004) “The Grey System Analysis and Its Application in Gas Breakdown and VAR Compensator Finding (invited paper)”, International Journal of Computational Cognition, 2(1): 21–44.
 Chen, F. L., Chen, Y. C., (2010) “Evaluating the Maintenance Performance of the Semiconductor Factories Based on the Analytical Hierarchy Process and Grey Relational Analysis,” American Journal of Applied Sciences, 7(4): 568-574.
 Karmakar, S., Mujumdar, P. P., (2006) “Grey Fuzzy Optimization Model for Water Quality Management of a River System”, Advances in Water Resources, 29(7): 1088-1105.
 Zeng, J., Jiang, Z., Li, T., Yang, D., Kim, Y. H., (2011) “Application of Entropy Weight Technique in Grey Relational Analysis for Scheme Optimization of Sewage Treatment Plant”, Advanced Materials Research, Vol. 199-200: 1722-1728.
 Zhen-qiang, B., Peng, W., Fang, Y., Cong-wei, Z., Lei, G., (2008) “Grey Relation Degree Analysis for the Facility's Location of Logistics Distribution Network”, International Symposiums on Information Processing, pp. 615-619.
 Huang, Y. P., Huang, C. C., (1996) “The Integration and Application of Fuzzy and Grey Modeling Methods”, Fuzzy Sets and Systems, 78(1): 107-119.
 Chang, T. C., Lin, S. J., (1999) “Grey Relation Analysis of Carbon Dioxide Emissions from Industrial Production and Energy Uses in Taiwan”, Journal of Environmental Management, 56(4): 247-257.
 Sarucan, A., Baysal, M. E., Kahraman, C., Engin, O., (2011) “A Hierarchy Grey Relational Analysis for Selecting the Renewable Electricity Generation Technologies”, Proceedings of the World Congress on Engineering, Vol. 2: 1149-1154.
 Yang, C. C., Chen, B. S., (2006) “Supplier Selection Using Combined Analytical Hierarchy Process and Grey Relational Analysis”, Journal of Manufacturing Technology Management, 17(7): 926–941.
 Zeng, G., Jianga, R., Huanga, G., Xua, M., Lia, J., (2007) “Optimization of Wastewater Treatment Alternative Selection by Hierarchy Grey Relational Analysis”, Journal of Environmental Management, Vol. 82, 250-259.
 Feng, L., Yuan, R., (2011) “Study on Grey Relation Analysis Based on Entropy Method in Evaluation of Logistics Center Location”, Third International Conference on Measuring Technology and Mechatronics Automation, Vol. 3: 474-477.
 Saaty, T. L., (1980) The Analytic Hierarchy Process, McGraw-Hill, New York.
 Wang, Y. M., Liu, J., Elhag, T. M. S., (2008) “An Integrated AHP - DEA Methodology for Bridge Risk Assessment”, Computers & Industrial Engineering, 54(3): 513-525.
 Xu, G., Yang, Y. P., Lu, S. Y., Li, L., Song, X., “Comprehensive Evaluation of Coal-Fired Power Plants Based on Grey Relational Analysis and Analytic Hierarchy Process”, Energy Policy, 39(5): 2343-2351.
 Güngör, C., (2013) “A Multi Criteria Facility Location Selection By Hierarchy Grey Relational Analysis Method”, (master thesis), Turkish Air Force Academy Aeronautics and Space Technologies Institute, İstanbul, Turkey.
 Kaya, T., Kahraman, C., (2010) “Multicriteria Renewable Energy Planning Using An Integrated Fuzzy VIKOR&AHP Methodology: The Case of Istanbul”, Energy, Vol. 35: 2517-2527
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