Dariush Khezrimotlagh, Ph.D.

Dariush Khezrimotlagh, Ph.D.
Associate Professor of Mathematical Sciences, School of Science, Engineering, and Technology
Olmsted Building, W255M
W255M OLMSTED BLDG
PENN STATE HBG
MIDDLETOWN, PA 17057

Dr. Dariush Khezrimotlagh is Associate Professor of Mathematical Sciences 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

Khezrimotlagh, D., & Zhu, J. (2024). Implementing no free disposability in data envelopment analysis. European Journal of Operational Research. https://doi.org/10.1016/j.ejor.2024.11.029

Zhuang, Q., Khezrimotlagh, D., & Morita, H. (2024). Accelerating large-scale DEA computation using sequential categorization and dynamic reference set selection. INFOR: Information Systems and Operational Research, 1-22. https://doi.org/10.1080/03155986.2024.2406121

Khezrimotlagh, D., & Kaffash, S. (2024). Navigating Efficiency: Insights from One-Stage and Two-Stage DEA Modeling in the Airline Industry. Annals of Operations Research, 1-37. https://doi.org/10.1007/s10479-024-06142-x

Chu, J., Rui, Y., Khezrimotlagh, D., & Zhu, J. (2024). A general computational framework and a hybrid algorithm for large-scale data envelopment analysis. European Journal of Operational Research, 316(2), 639-650. https://doi.org/10.1016/j.ejor.2024.01.030.

Tavangarian, F., Sadeghzade, S., Fani, N., Khezrimotlagh, D., & Davami, K. (2024). 3D-printed bioinspired spicules: Strengthening and toughening via stereolithography. Journal of the Mechanical Behavior of Biomedical Materials, 155, 106555. https://doi.org/10.1016/j.jmbbm.2024.106555.

Yu, Y., & Khezrimotlagh, D. (2024). Embedding Best-Worst Method into Data Envelopment Analysis. Asia-Pacific Journal of Operational Research, 41(01), 2350010. https://doi.org/10.1142/S0217595923500100

Khezrimotlagh, D., & Zhu, J. (2023). The Role of Unobserved Units in Two-stage Network Data Envelopment Analysis. Journal of the Operational Research Society, 74 (5), 1275-1285. https://doi.org/10.1080/01605682.2022.2077663

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. https://doi.org/10.1016/j.rtbm.2022.100835

Khezrimotlagh, D. (2022). Simulation Designs for Production Frontiers. European Journal of the Operational Research (EJOR) 303(3), 27. DOI: 10.1016/j.ejor.2022.04.004 https://doi.org/10.1016/j.ejor.2022.04.004

Kaffash, S., Khezrimotlagh, D., & Zhu, J. (2022). U.S. Airlines Mergers’ Performance and Productivity Change. International Journal of Production Economics 102, 102226. https://doi.org/10.1016/j.jairtraman.2022.102226

(Book) 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. ISBN/ISSN: 978-981-19-0359-5 https://doi.org/10.1007/978-981-19-0357-1

Khezrimotlagh, D., & Zhu, J. (2022). Multivariate Returns to Scale Production Frontiers. Journal of the Operational Research Society, 73 (6), 1411-1419. https://www.tandfonline.com/doi/abs/10.1080/01605682.2021.1923377

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. https://link.springer.com/chapter/10.1007/978-3-030-75162-3_6

Khezrimotlagh, D., Zhu, J., & Cook, W. (2021). Number of Performance Measures Versus Number of Decision-Making Units in DEA. Annals of Operations Research 303(1), 529–562. ISBN/ISSN: doi.org/10.1007/s10479-019-03411-y https://doi.org/10.1007/s10479-019-03411-y

Poholsky, C., Hofstetter, D. W., Khezrimotlagh, D., & Boney, J. (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). DOI: 10.1016/j.japr.2021.100157 https://www.sciencedirect.com/science/article/pii/S1056617121000209?via…

Khezrimotlagh, D., Cook, W., & Zhu, J. (2020). A Nonparametric Framework to Detect Outliers in Estimating Production Frontiers. European Journal of Operational Research 286(1), 375-388. ISBN/ISSN: 10.1016/j.ejor.2020.03.014 https://doi.org/10.1016/j.ejor.2020.03.014

Khezrimotlagh, D. (2020). Academic Challenges and Opportunities During the 2020 Pandemic. Horizon Journal of Humanities & Social Sciences Research (JHSSR) 2(1), 11-16. ISBN/ISSN: 978-1-7281-0407-2 https://doi.org/10.37534/bp.jhssr.2020.v2.nS.id1062.p11

(Book Chapter) Khezrimotlagh, D. (2020). How to Deal with the Number of Decision Making Units and Number of Variables in Multiple Input-Output Production Functions. In Lawrence K., (Ed.), Emerald. (20), (pp. 12). Bingley, UK: Emerald Publishing. Peer-reviewed/refereed. https://www.emerald.com/insight/content/doi/10.1108/S0276-8976202000000…

(Book Chapter) Khezrimotlagh, D. (2020). Decision Making and Productivity Measurement. In Lawrence K., (Ed.), Emerald. (20), (pp. 16). Bingley. UK: Emerald Publishing. Peer-reviewed/refereed. https://www.emerald.com/insight/content/doi/10.1108/S0276-8976202000000…

(Book Chapter) Amini, H., Khazaei, J., Khezrimotlagh, D., & Asrari, A. (2020). Bilevel Adversary-Operator Cyber-Attack Framework and Algorithms for Transmission Networks in Smart Grids. Springer (pp. 20). New York, New York: Springer. Peer-reviewed/refereed. ISBN/ISSN: 978-3-030-34093-3 https://link.springer.com/chapter/10.1007/978-3-030-34094-0_8

(Book Chapter) Khezrimotlagh, D., & Zhu, J. (2020). Data Envelopment Analysis and Big Data: Revisit with a Faster Method. In Charles, V., Aparicio, J. and Zhu, J., (Eds.), Springer (pp. 30). New York, New York: Springer. Peer-reviewed/refereed. https://link.springer.com/chapter/10.1007/978-3-030-43384-0_1

Khezrimotlagh, D., Zhu, J., Cook, W., & Toloo, M. (2019). Data Envelopment Analysis and Big Data. European Journal of Operational Research 274(3), 1047-1054. ISBN/ISSN: 10.1016/j.ejor.2018.10.044 https://doi.org/10.1016/j.ejor.2018.10.044

(Conference Proceeding) Alkaf, M., Khazaei, J., Amini, M. H., & Khezrimotlagh, D. (2020). Optimal Attack Strategy for Multi-transmission Line Congestion in Cyber-physical Smart Grids. In 2019 Tenth International Green and Sustainable Computing Conference (IGSC). (pp. 6). October 21-24, 2019. Alexandria, Virginia: IEEE. ISBN/ISSN: 978-1-7281-5416-9 https://ieeexplore.ieee.org/abstract/document/8957212

(Conference Proceeding) Khezrimotlagh, D., Khazaei, J., & Asrari, A. (2020). MILP Modeling of Targeted False Load Data Injection Cyberattacks to Overflow Transmission Lines in Smart Grids. In 2019 North American Power Symposium (NAPS). (pp. 7). October 13-15, 2019. Wichita, Kansas: IEEE. ISBN/ISSN: 978-1-7281-0407-2 https://ieeexplore.ieee.org/abstract/document/8999977/authors#authors

(Conference Proceeding) Khezrimotlagh, D. (2019). Performance Evaluation Regardless of 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.

(Book) Khezrimotlagh, D., & Chen, Y. (2018). In Camille C. Price, Joe Zhu and Frederick S. Hillier (Eds.), Decision Making and Performance Evaluation Using Data Envelopment Analysis (1st ed.269, 392 pp). New York, New York: Springer (International Series in Operations Research & Management Science). ISBN/ISSN: 978-3-319-76344-6, PubMed Central ID Number: 978-3-319-76345-3 https://doi.org/10.1007/978-3-319-76345-3

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Joined Pennsylvania State University Harrisburg, USA

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Barekatain, B., Khezrimotlagh, D., Maarof, M. A., Quintana, A. A., & Cabrera, A. T. (2017). GAZELLE: An Enhanced Random Network Coding Based Framework for Efficient P2P Live Video Streaming Over Hybrid WMNS. Wireless Personal Communications 95(3), 2485–2505. https://doi.org/10.1007/s11277-016-3930-4

Fallahpour, A., Udoncy Olugu, E., Musa, S. N., Khezrimotlagh, D., & Wong, K. Y. (2016). An Integrated Model for Green Supplier Selection Under Fuzzy Environment: Application of Data Envelopment Analysis and Genetic Programming Approach. Neural Computing and Applications 27(3), 707-725. ISBN/ISSN: 10.1007/s00521-015-1890-3 https://doi.org/10.1007/s00521-015-1890-3

Khezrimotlagh, D., & Mirzapour, A. (2015). Performance Measurement of Turkey’s Tourism Sector by Using Data Envelopment Analysis. Universitatea Politehnica Bucuresti Scientific Bulletin 77(4), 311-324. https://www.scientificbulletin.upb.ro/rev_docs_arhiva/rez233_705057.pdf

Barekatain, B., Khezrimotlagh, D., Maarof, M. A., Ghaeini, H. R., Quintana, A. A., & Cabrera, A. T. (2015). Efficient P2P Live Video Streaming Over Hybrid WMNs Using Random Network Coding. Wireless Personal Communications 80(4), 1761–1789. https://doi.org/10.1007/s11277-014-2112-5

Rajandran, K. (Graduate Student), Hee, T. C. (Graduate Student), Kanawarthy, S. (Graduate Student), Soon, L. K.,

Kamaludin, H., & Khezrimotlagh, D. (2015). Factors Affecting First Year Undergraduate Students Academic Performance. Scholars Journal of Economics, Business and Management 2(1A), 54-60. http://saspjournals.com/wp-content/uploads/2015/01/SJEBM-21A54-60.pdf

Yahya, A. (Graduate Student), Khalid, M. A. (Graduate Student), Kanawarthy, S. (Graduate Student), & Khezrimotlagh, D. (2015). Measuring Efficiency of Telecommunication Customer Service Centers Using Data Envelopment Analysis. Scholars Journal of Economics, Business and Management 2(1A), 26-28. http://saspjournals.com/wp-content/uploads/2015/01/SJEBM-21A26-28.pdf

Sang, L. T. (Graduate Student), Lee, C. S. (Graduate Student), Sam, J. K. P. (Graduate Student), & Khezrimotlagh, D. (2015). The Performance of Malaysia’s Bank in 2011: Using Kourosh and Arash Model (KAM). Scholars Journal of Economics, Business and Management 2(1A), 9-15. http://saspjournals.com/wp-content/uploads/2015/01/SJEBM-21A9-15.pdf

Ng, K. H. (Graduate Student), Wong, S. C. (Graduate Student), Yap, P. K. (Graduate Student), & 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. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111586-592.pdf

Ng, K. H. (Graduate Student), Lee, S. T. (Graduate Student), Lee, W. T. (Graduate Student), Aminuddin, R. (Graduate Student), & Khezrimotlagh, D. (2014). Bibliometrics Performance Evaluation: A Case Study on University of Malaya. Scholars Journal of Economics, Business and Management 1(11), 598-605. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111598-605.pdf

Zhang, W. L. (Graduate Student), He, X. Y. (Graduate Student), Yang, S. K. (Graduate Student), & Khezrimotlagh, D. (2014). Efficiency Analysis of Universities in China Using DEA. Scholars Journal of Economics, Business and Management 1(11), 593-597. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111593-597.pdf

Mo, J. E. (Graduate Student), Mok, Z. Y. (Graduate Student), Tan, S. M. S. (Graduate Student), & Khezrimotlagh, D. (2014). Measuring the Efficiency of the Dairy Industry: Using DEA Models. Scholars Journal of Economics, Business and Management 1(11), 563-567. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111563-567.pdf

Rahmat, R. (Graduate Student), Hamizin, N. S. (Graduate Student), Kamaludin, H. (Graduate Student), & Khezrimotlagh, D. (2014). Ranking Selangor’s Kindergarten of Malaysia: Using Data Development Analysis. Scholars Journal of Economics, Business and Management 1(11), 576-579. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111576-579.pdf

Ismail, I. (Graduate Student), Ramalingam, S. (Graduate Student), Azahan, A. H. (Graduate Student), & Khezrimotlagh, D. (2014). Relative Efficiency of Public Universities in Malaysia. Scholars Journal of Economics, Business and Management 1(11), 606-612. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111606-612.pdf

Rofaie, N. S. A. (Graduate Student), Nazal, N. Y. (Graduate Student), Azlan, N. N. N. (Graduate Student), & Khezrimotlagh, D. (2014). The Relative Efficiency of Investment Programs in Agriculture: Using Kourosh and Arash Model. Scholars Journal of Economics, Business and Management 1(11), 580-585. http://saspjournals.com/wp-content/uploads/2014/12/SJEBM-111580-585.pdf

Khezrimotlagh, D. (2014). Profit Efficiency with Kourosh and Arash Model. Applied Mathematical Sciences 8(24), 1165 - 1170. http://dx.doi.org/10.12988/ams.2014.4168

Khezrimotlagh, D., Salleh, S., & Mohsenpur, Z. (2014). A New Method for Evaluating Decision Making Units in DEA. Journal of the Operational Research Society 65(5), 694-707. ISBN/ISSN: 10.1057/jors.2013.40 https://doi.org/10.1057/jors.2013.40

Mohsenpour, P., Khezrimotlagh, D., & Mohsenpour, Z. (2014). Estimating the Performance Evaluation of International Airports of Iran Using KAM in Data Envelopment Analysis. Recent Developments in Data Envelopment Analysis and its Applications. In: Proceedings of the 12th International Conference of DEA. (pp. 188-193). Apr 14-17, 2014. Kuala Lumpur, Malaysia. http://eprints.um.edu.my/13603/

Khezrimotlagh, D. (2014). How to Select an Epsilon to Apply Kourosh and Arash Model in Data Envelopment Analysis. Recent Developments in Data Envelopment Analysis and its Applications. In: Proceedings of the 12th International Conference of DEA. (pp. 230-235). Apr 14-17, 2014. Kuala Lumpur, Malaysia. http://eprints.um.edu.my/13604/

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. Recent Developments in Data Envelopment Analysis and its Applications. In: Proceedings of the 12th International Conference of DEA. (pp. 342-348). Apr 14-17, 2014. Kuala Lumpur, Malaysia. http://eprints.um.edu.my/id/eprint/13607

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Joined University of Malaya (UM), Malaysia

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Khezrimotlagh, D., Mohsenpour, P., Salleh, S., & Mohsenpour, Z. (2013). A Review on Arash Method in Data

Envelopment Analysis. In Proceeding The 11th International Conference on Data Envelopment Analysis (DEA2013). (pp. 13-20). June 28-30, 2013. Samsun, Turkey. https://www.researchgate.net/publication/273711567_Data_Envelopment_Ana…

Khezrimotlagh, D., Mohsenpour, P., Salleh, S., & Mohsenpour, Z. (2013). Decision Making Units with Integer Values in Data Envelopment Analysis. In Proceedings of the 11th International Conference of DEA. (pp. 119-125). June 28-30, 2013. Samsun, Turkey. https://www.researchgate.net/publication/273711567_Data_Envelopment_Ana…

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2013). A New Robust Mixed Integer-Valued Model in DEA. Applied Mathematical Modelling 37(24), 9885–9897. https://doi.org/10.1016/j.apm.2013.05.031

Mohsenpour, P., Munisamy, S., & Khezrimotlagh, D. (2013). Revenue Efficiency and Kourosh Method in DEA. Applied Mathematical Sciences 7(140), 6961 - 6966. http://dx.doi.org/10.12988/ams.2013.27431

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2013). A Note on Integer-Valued Radial Model in DEA. Computers & Industrial Engineering 66(1), 199-200. https://doi.org/10.1016/j.cie.2013.05.007

Barekatain, B., Khezrimotlagh, D., Maarof, M. A., Ghaein, H. R., Salleh, S., Quintana, A. A., & Akbari, B. (2013). MATIN: A Random Network Coding Based Framework for High Quality Peer-to-Peer Live Video Streaming. PLOS ONE 8(8), e69844. ISBN/ISSN: 10.1371/journal.pone.0069844 https://doi.org/10.1371/journal.pone.0069844

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2013). Nonlinear Arash Model in DEA. Research Journal of Applied Sciences, Engineering and Technology 5(17), 4268-4273. https://maxwellsci.com/jp/abstract.php?jid=RJASET&no=298&abs=05

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2012). A Comment on Theory of Integer-Valued Data Envelopment Analysis. Applied Mathematical Sciences 6(116), 5769 - 5774. https://pdfs.semanticscholar.org/4df9/b43655761fc5c93e309cca42bdd18dd77…

Khezrimotlagh, D., Salleh, S., & 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. http://www.m-hikari.com/ams/ams-2012/ams-93-96-2012/khezrimotlaghAMS93-…

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2012). Arash Method and Uncontrollable Data in DEA. Applied Mathematical Sciences 6(116), 5763 - 5768. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.429.100&rep=re…

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. https://www.textroad.com/pdf/JBASR/J.%20Basic.%20Appl.%20Sci.%20Res.,%2…

Khezrimotlagh, D., Mohsenpour, Z., & Salleh, S. (2012). Comparing Arash Model with SBM in DEA. Applied Mathematical Sciences 6(104), 5185 - 5190. http://m-hikari.com/ams/ams-2012/ams-101-104-2012/khezrimotlaghAMS101-1…

Khezrimotlagh, D., Mohsenpour, Z., & Salleh, S. (2012). Cost-Efficiency by Arash Method in DEA. Applied Mathematical Sciences 6(104), 5179 - 5184. http://m-hikari.com/ams/ams-2012/ams-101-104-2012/khezrimotlaghAMS101-1…

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2011). Decision making units (DMUs) with integer values in DEA. In Proceeding Regional Annual Fundamental Science Symposium (RAFSS 2011). (pp. 36-39). December 20-21, 2011. Johor, Malaysia. http://www.ibnusina.utm.my/rafss2011/images/stories/RAFSS2011/RAFSS2011…

Khezrimotlagh, D., Salleh, S., & Mohsenpour, Z. (2011). Extending Additive model (ADD) in DEA to be a Fair Benchmarking Model. In Proceeding Regional Annual Fundamental Science Symposium (RAFSS 2011). (pp. 32-35). December 20-21, 2011. Johor, Malaysia. http://www.ibnusina.utm.my/rafss2011/images/stories/RAFSS2011/RAFSS2011…

Ghanbari, M., Askaripour, M., & Khezrimotlagh, D. (2010). Numerical Solution of Singular Integral Equations Using Haar Wavelet. Australian Journal of Basic and Applied Sciences 4(12), 5852-5855. http://www.ajbasweb.com/old/ajbas/2010/5852-5855.pdf

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Joined University Technology, Malaysia (UTM), Malaysia