Dariush Khezrimotlagh, Ph.D.

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Assistant Professor of Mathematical Sciences, Science, Engineering, and Technology
Olmsted Building, W255M
W255M OLMSTED BLDG
PENN STATE HBG
MIDDLETOWN, PA 17057

Dr. Dariush Khezrimotlagh is Assistant Professor of Computer Science and Mathematics at Penn State University, Harrisburg, Pennsylvania. He was a Visiting Assistant Professor at the College of Arts and Science at Miami University, Oxford, Ohio. He was previously an Assistant Professor of Statistics at the University of Malaya, Malaysia, and Visiting Researcher at University Technology Malaysia, Center for Industrial and Applied Mathematics (UTM-CIAM). He served as the Director of the Studies and Information Center, Commercial Aviation Organization in Iran, and has more than 20 years of experience as an educator. He earned his MS in Pure Mathematics and his PhD in Applied Mathematics, specializing in Operations Research and Data Envelopment Analysis (DEA). Dr. Khezrimotlagh is a committee member of the Data Envelopment Analysis International Conference (DEAIC), a member of The Institute for Operations Research and the Management Sciences (INFORMS), Mathematical Association of America (MAA) and American Mathematical Society. His main plans include developing and advising graduate and undergraduate research projects in Mathematics and Statistics.

  • Data Envelopment Analysis
  • Efficiency and Productivity Measurement
  • Firms' Benchmarking and Ranking
  • (Mixed Integer) Linear Programming
  • Performance Evaluation
  • Operations Research
  • Data Analysis
  • Decision Making
  • Simulations

Yu, Y., & Khezrimotlagh, D. (2023). Embedding Best-Worst Method into Data Envelopment Analysis. Asia-Pacific Journal of Operational Research, 19.

Kaffash, S., & Khezrimotlagh, D. (2023). US network and low-cost carriers' performance in response to COVID-19: Strictness of government policies and passengers' panic. Research in Transportation Business & Management 46(1), 15.

Khezrimotlagh, D. (2022). Simulation Designs for Production Frontiers. European Journal of the Operational Research (EJOR) 303(3), 27.

Kaffash, S., Khezrimotlagh, D., & Zhu, J. (2022). U.S. Airlines Mergers’ Performance and Productivity Change. International Journal of Production Economics 102, 38.

Khezrimotlagh, D., & Zhu, J. (2022). The Role of Unobserved Units in Two-stage Network Data Envelopment Analysis. Journal of the Operational Research Society, 16.

Subudhi, R. N., Mishra, S., Sale, A., & Khezrimotlagh, D. (2022). In R., N., Subudhi, S., Mishra, A., Saleh, D., Khezrimotlagh (Eds.), Future of Work and Business in Covid-19 Era. (374 pp). New York, New York: Springer.

Khezrimotlagh, D., & Zhu, J. (2021). Multivariate Returns to Scale Production Frontiers. Journal of the Operational Research Society, 20.

Poholsky, C., Hofstetter, D. W., Khezrimotlagh, D., & Boney, J. (Co-Author) (2021). Effects of Pellet Quality to On-farm Nutrient Segregation in Commercial Broiler Houses Varying in Feed Line Length. Journal of Applied Poultry Research 30(2), 100157 (1-17).

Khezrimotlagh, D. (2021). Parallel Processing and Large-Scale Datasets in Data Envelopment Analysis. In Charles, V., Aparicio, J. and Zhu, J., Data-Enabled Analytics: DEA for Big Data (Chapter 6) (Eds.), Springer (pp. 15). New York, New York: Springer. Peer-reviewed/refereed.

Khezrimotlagh, D., Cook, W. D., & Zhu, J. (2020). A nonparametric framework to detect outliers in estimating production frontiers. European Journal of Operational Research, 286(1), 375-388.

Khezrimotlagh, D., & Zhu, J. (2020). Data Envelopment Analysis and Big Data: Revisit with a Faster Method. In Data Science and Productivity Analytics (pp. 1-34). Springer, Cham.

Khezrimotlagh, D. (2020). Academic Challenges and Opportunities during the 2020 Pandemic. Horizon Journal of Humanities & Social Sciences Research (JHSSR), 2, 6.

Khezrimotlagh, D. (2020). How to Deal with Numbers of Decision-Making Units and Number of Variables in Multiple Input-Output Production Functions. In Applications of Management Science. Emerald Publishing Limited.

Khezrimotlagh, D. (2020). Decision-making and Productivity Measurement. In Applications of Management Science. Emerald Publishing Limited.

Gawali, S., Khezrimotlagh, D., & Pai, D.R. (2020). "Decision Metrics and Models for Airport Performance Measurement," The Institute for Operations Research and the Management Sciences Annual Meeting 2016, INFORMS, Online, USA.

Khezrimotlagh, D. (2020). "Production frontiers and detecting outliers without incorporating user-judgment," The Institute for Operations Research and the Management Sciences Annual Meeting 2016, INFORMS, Online, USA.

Kaffash, S., & Khezrimotlagh, D. (2020). "The Performance Of U.S. Airlines Mergers," The Institute for Operations Research and the Management Sciences Annual Meeting 2016, INFORMS, Online, USA.

Aldoukhi, M., Gupta, S. M., Karachyna, N., Khezrimotlagh, D., Klimberg, R., Kudyba, S., ... & Sawik, B. (2020). Applications of Management Science.

Amini, M. H., Khazaei, J., Khezrimotlagh, D., & Asrari, A. (2020). Bi-level adversary-operator cyberattack framework and algorithms for transmission networks in smart grids. In Optimization, Learning, and Control for Interdependent Complex Networks (pp. 183-202). Springer, Cham.

Khezrimotlagh, D., Zhu, J., Cook, W. D., & Toloo, M. (2019). Data envelopment analysis and big data. European Journal of Operational Research, 274(3), 1047-1054.

Khezrimotlagh, D., Cook, W. D., & Zhu, J. (2019). Number of performance measures versus number of decision-making units in DEA. Annals of Operations Research, 1-34.

Khezrimotlagh, D. (2019). Performance Evaluation Regardless the Relationship between the Numbers of Units and performance Metrics. The 14th Institute for Operations Research and the Management Sciences (INFORMS) Workshop on Data Mining and Decision Analytics. (pp. 10). October 20-23, 2019. Seattle, Washington.

Khezrimotlagh, D., Khazaei, J., & Asrari, A. (2019, October). MILP modeling of targeted false load data injection cyberattacks to overflow transmission lines in smart grids. In 2019 North American Power Symposium (NAPS) (pp. 1-7). IEEE.

Alkaf, M., Khazaei, J., Amini, M. H., & Khezrimotlagh, D. (2019, October). Optimal attack strategy for multi-transmission line congestion in cyber-physical smart grids. In 2019 Tenth International Green and Sustainable Computing Conference (IGSC) (pp. 1-6). IEEE.

Nezamoleslami, A., Abolhassani, L., Shahnoushi, N., Karbasi, A., & Khezrimotlagh, D. (2019). Estimating environmental costs of greenhouse gas emissions in saffron production systems (case study: Torbat Hadiriyah). Saffron agronomy and technology, 7(2).

Khezrimotlagh, D., Chen, Y., (2018) Efficiency Measurements and Data Envelopment Analysis. Springer. USA.

Barekatain, B., Khezrimotlagh, D., Maarof, M.A. et al. (2016). GAZELLE: An Enhanced Random Network Coding Based Framework for Efficient P2P Live Video Streaming Over Hybrid WMNs. Wireless Personal Communications.

Fallahpour, A., Olugu, E. U., Musa, S.N., Khezrimotlagh, D., & Wong, K.Y., (2015). An Integrated Model for Green Supplier Selection under Fuzzy Environment: Application of Data Envelopment Analysis and Genetic Programming Approach. Neural Computing and Applications, 1-19.

Khezrimotlagh, D., & Mirzapour, A. (2015). Performance Measurement of Turkey’s Tourism Sector by Using Data Envelopment Analysis. University Politehnica Bucharest (UPB) Scientific Bulletin, Series D. 77 (4):311-324. ISSN: 1454-2358

Khezrimotlagh, D., Salleh S. and Mohsenpour, Z., (2014). A New Method for Evaluating Decision Making Units in DEA, Journal of the Operational Research Society, 65(1):694–707.

Barekatain, B., Khezrimotlagh, D., Maarof, M.A., Ghaeini, H.R., Quintana, A.A., & Cabrera, A. T. (2014). Efficient P2P Live Video Streaming Over Hybrid WMNs Using Random Network Coding. Wireless Personal Communications, 1-29.

Barekatain B., Khezrimotlagh D., Aizaini Maarof M., Ghaeini H.R., Salleh S., et al. (2013). MATIN: A Random Network Coding Based Framework for High Quality Peer-to-Peer Live Video Streaming. PLoS ONE 8(8): e69844.

Khezrimotlagh, D., Salleh S. and Mohsenpour, Z., (2013). A New Robust Mixed Integer Valued Model in DEA, Applied Mathematical Modelling, 37(24):9885-9897.

Khezrimotlagh, D., Salleh, S. and Mohsenpour, Z., (2013). A Note on Integer-valued Radial Model in DEA, Computer and Industrial Engineering, 66(1):199-200.

Khezrimotlagh, D. (2014), Profit Efficiency by Kourosh and Arash Model, Applied Mathematical Sciences, 8(24):1165-1170. Ghanbari, M., Askaripour, M., & Khezrimotlagh, D. (2010). Numerical solution of singular integral equations using Haar wavelet. Australian Journal of Basic and Applied Sciences, 12, 5852-5855.

Khezrimotlagh, D. (2016). Decision Making and Productivity Measurement. arXiv preprint arXiv:1604.08237.

Khezrimotlagh, D., Salleh S. and Mohsenpour, Z. (2012), Airport Efficiency with Arash Method in DEA, Journal of Basic and Applied Scientific Research, 2(12):12502-12507

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2012). A comment on theory of integer-valued data envelopment analysis. Applied Mathematical Sciences, 6(116), 5769-5774.

Khezrimotlagh, D., Mohsenpour, Z., & Salleh, S. (2012). Cost-efficiency by Arash method in DEA. Applied Mathematical Sciences, 6(104), 5179-5184.

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2012). Benchmarking inefficient decision making units in DEA. Journal of Basic and Applied Scientific Research, 2(12), 12056-12065.

Khezrimotlagh, D. (2015). How to detect outliers in data envelopment analysis by Kourosh and Arash method. arXiv preprint arXiv:1503.02548.

Khezrimotlagh, D., Mohsenpour, Z., & Salleh, S. (2012). Comparing Arash model with SBM in DEA. Applied Mathematical Sciences, 6(104), 5185-5190.

Khezrimotlagh, D., Salleh S. and Mohsenpour, Z. (2012), A New Method in Data Envelopment Analysis to Find Efficient Decision Making Units and Rank Both Technical Efficient and Inefficient DMUs Together, Applied Mathematical Sciences, 6(93):4609-4615

Khezrimotlagh, D. (2015). Differences between real and integer production possibility sets in data envelopment analysis. arXiv preprint arXiv:1501.07401.

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2013). Nonlinear Arash model in DEA. Research Journal of Applied Sciences, Engineering and Technology, 5(17), 4268-4273.

Khezrimotlagh, D. (2015). How to detect outliers in data envelopment analysis by Kourosh and Arash method. arXiv preprint arXiv:1503.02548.

Mohsenpour, P., Munisamy, S. and Khezrimotlagh, D. (2013), Revenue Efficiency and Kourosh Method in DEA, Applied Mathematical Sciences, 7(140):6961-6966

Khezrimotlagh, D. (2015). How to deal with numbers of decision making units and variables in data envelopment analysis. arXiv preprint arXiv:1503.02306.

Yahya, A., Khalid, M. A., Kanawarthy, S., & Khezrimotlagh, D. (2015). Measuring Efficiency of Telecommunication Customer Service Centres Using Data Envelopment Analysis. Sch J Econ Bus Manag, 2(1A):26-28

Rajandran, K., Hee, T. C., Kanawarthy, S., Soon, L. K., Kamaludin, H., & Khezrimotlagh, D. (2015). Factors affecting first year undergraduate students academic performance. Sch. J. Econ. Bus. Manag, 2, 54-60.

Mo, J. E., Mok, Z. Y., Tan, S. M. S., & Khezrimotlagh, D. (2014). Measuring the Efficiency of the Dairy Industry: Using DEA Models. Sch J Econ Bus Manag, 1(11):563-567

Ng, K.H., Wong, S.C., Yap, K.Y. and Khezrimotlagh, D. (2014). A Survey on Malaysia’s Banks Efficiency: Using Data Envelopment Analysis. Scholars Journal of Economics, Business and Management, 1(11):586-592

Sang, L. T., Lee, C. S., Sam, J. K. P., & Khezrimotlagh, D. (2014). The Performance of Malaysia’s Bank in 2011: Using Kourosh and Arash Model (KAM). Sch J Econ Bus Manag, 2(1):9-15

Ismail, I., Ramalingam, S., Azahan, A. H., & Khezrimotlagh, D. (2014). Relative efficiency of public universities in Malaylsia. Scholars Journal of Economics, Business and Management, 1(11), 606-612.

Ismail, I., Ramalingam, S., Azahan, A.H. and Khezrimotlagh, D. (2014). Relative Efficiency of Public Universities in Malaysia. Scholars Journal of Economics, Business and Management, 1(11):606-612

Rofaie, N. S., Nazal, N. Y., Azlan, N. N., & Khezrimotlagh, D. (2014). The Relative Efficiency of Investment Programs in Agriculture: Using Kourosh and Arash Model. Sch J Econ Bus Manag, 1(11):580-585

Rahmat, R., Hamizin, N. S., Kamaludin, H., & Khezrimotlagh, D. (2014). Ranking Selangor’s Kindergarten of Malaysia: Using Data Development Analysis. Sch J Econ Bus Manag, 1(11):576-579

Ng, K.H., Lee, S.T., Lee, W.T., Raihana, A. and Khezrimotlagh, D., (2014). Bibliometrics Performance Evaluation: A Case Study on University of Malaya. Scholars Journal of Economics, Business and Management, 1(11):598-605

Khezrimotlagh, D., (2016). Remove a Paradox in Data Envelopment Analysis. INFORMS Annual Meeting, Nashville, Tennessee, USA

Khezrimotlagh, D., (2015). How to Deal with Number of Decision Making Units in Data Envelopment Analysis. The 13th International Data Envelopment Analysis Conference, Technische Universität (TU), Braunschweig, August 24-27, 2015, Braunschweig, Germany

Khezrimotlagh, D., (2015). Benchmarking decision making units with integer values in data envelopment analysis. International Conference on DEA in Economics and Finance. VSB, Technical University Ostrava, Faculty of Economics, June 4-6, 2015, Ostrava, Czech Republic

Fallahpour, A., Olugu, E. U., Musa, S. N., Khezrimotlagh, D., & Singh, S. (2014). Supplier selection under fuzzy environment: a hybrid model using KAM in DEA. The 12th International Conference on Data Envelopment Analysis, The University of Malaya, April 14-17, 2014, Kuala Lumpur, Malaysia

Khezrimotlagh, D., Salleh, S. and Mohsenpour, Z. (2013). Decision Making Units with Integer Values in Data Envelopment Analysis, The 11th International Conference on Data Envelopment Analysis, Gazi University, June 27-30, 2013, Samsun, Turkey.

Khezrimotlagh, D. (2014, April). How to Select an Epsilon in Kourosh and Arash Model, Emrouznejad, A., R. Banker R., SM Doraisamy and B. Arabi. In Recent Developments in Data Envelopment Analysis and its Applications, Proceedings of the 12th International Conference of DEA.

Khezrimotlagh, D., Mohsenpour, P., Salleh, S., & Mohsenpour, Z. (2014). A Review on Arash Method in Data Envelopment Analysis. Emrouznejad, A., R. Banker R., SM Doraisamy and B. Arabi. In Recent Developments in Data Envelopment Analysis and its Applications, Proceedings of the 12th International Mirzapour, A., Khezrimotlagh, D., Sozen, A., (2014).

The Performance of Locations by Specifying Certain Range on the Uncontrollable Variables by Using Arash Method. The 12th International Conference on Data Envelopment Analysis, The University of Malaya, April 14-17, 2014, Kuala Lumpur, Malaysia

Khezrimotlagh, D., (2014). An Application of Kourosh and Arash Model (KAM) in DEA to Measure the Efficiency of Iranian Airports, Conference Asia Pacific Productivity Conference 2014, The University of Queensland, 8 - 11 July 2014, Queensland, Australia