Estimating the parameters of 3-p Weibull distribution using particle swarm optimization: A comprehensive experimental comparison. - H. Hasan Örkcü; Volkan Soner Özsoy; Ertugrul Aksoy; Mustafa Isa Dogan (Appl. Math. Comput., 2015)

A neutral cross efficiency approach for basic two stage production systems. - H. Hasan Örkcü; Volkan Soner Özsoy; Mediha Örkcü; Hasan Bal (Expert Syst. Appl., 2019)

Use of the heuristic optimization in the parameter estimation of generalized gamma distribution: comparison of GA, DE, PSO and SA methods. - Volkan Soner Özsoy; Mehmet Güray Ünsal; H. Hasan Örkcü (Comput. Stat., 2020)

An optimistic-pessimistic DEA model based on game cross efficiency approach. - Mediha Örkcü; Volkan Soner Özsoy; H. Hasan Örkcü (RAIRO Oper. Res., 2020)

A minimax approach for selecting the overall and stage-level most efficient unit in two stage production processes. - Volkan Soner Özsoy; Mediha Örkcü; H. Hasan Örkcü (Ann. Oper. Res., 2021)

A simplistic approach without epsilon to choose the most efficient unit in data envelopment analysis. - Volkan Soner Özsoy; H. Hasan Örkcü; Mediha Örkcü (Expert Syst. Appl., 2021)

Hierarchical groups DEA cross-efficiency and TOPSIS technique: an application on mobile money agents locations. - Jacob Muvingi; Arshad Ahmud Iqbal Peer; Farhad Hosseinzadeh Lotfi; Volkan Soner Özsoy (Int. J. Math. Oper. Res., 2022)

A novel approach for determining common weights in two division network DEA: a case study of Science and Technology Parks in Turkey. - Volkan Soner Özsoy; Önder Belgin; Dursun Balkan (Technol. Anal. Strateg. Manag., 2022)