Technical reports (submitted/under revision)

  1. Schlenkrich, M., Seiringer, W., Altendorfer, K., Parragh, S.N. (2024). Enhancing Rolling Horizon Production Planning Through Stochastic Optimization Evaluated by Means of Simulation. (submitted)
  2. Bauß, J., Parragh, S.N., Stiglmayr, M. (2023). Adaptive Improvements of Multi-objective Branch and Bound. (submitted)
  3. Su, Y., Dupin, N., Parragh, S.N., Puchinger, J. (2023). Branch-and-Price for the Electric Autonomous Dial-a-Ride Problem. (under revision)
  4. Schlenkrich, M., Parragh, S.N. (2023). Capacitated Multi-Item Multi-Echelon Lot Sizing with Setup Carry-Over Under Uncertain Demand. Available at SSRN: or (under review)
  5. Gutjahr, M., Parragh, S.N., Tricoire, F. (2023) Adaptive Large Neighborhood Search for a personnel task scheduling problem with task selection and parallel task assignments. (under revision)


  1. Bökler, F., Parragh, S.N., Sinnl, M., Tricoire, F. (2024). An outer approximation algorithm for multi-objective mixed-integer linear and non-linear programming. Mathematical Methods of Operations Research, Preprint:
  2. Enzi, M., Parragh, S.N., Pisinger, D. (2024). Modeling and solving a corporate vehicle-sharing problem combined with other modes of transport. EURO Journal on Transportation and Logistics 13, 100122.  Preprint:
  3. Tricoire, F., Parragh, S.N., Gansterer, M. (2024). The hiking tourist problem. Central European Journal of Operations Research,
  4. Forget, N., Parragh, S.N. (2023). Enhancing Branch-and-Bound for Multi-Objective 0-1 Programming. INFORMS Journal on Computing, Preprint:
  5. An, D., Parragh, S.N., Sinnl, M., Tricoire, F. (2024). A matheuristic for tri-objective binary integer programming. Computers & Operations Research 161, 106397.  Preprint:
  6. Soares, R., Marques, A., Amorim, P., Parragh, S.N. (2024). Synchronisation in vehicle routing: classification schema, modelling framework and literature review, European Journal of Operational Research 313, 817-840.
  7. Haslinger, X., Gaar, E., Parragh, S.N., Krisch, P., Schöpflin, F., Prinz, T. (2023) Busflotteneinsatzplanung für den Umstieg auf batterieelektrische und H2-Brennstoffzellen-Busse im Raum Salzburg. In “Jahrbuch der Logistikforschung” Brunner, U., Prandtstetter, M., Reiner, G., Starkl, F.P., Stein, S., Wakolbinger, T. (eds), Vol 4, Trauner Verlag, pages 75-86.
  8. Schlenkrich, M., Parragh S.N. (2023). Solving large scale industrial production scheduling problems with complex constraints: an overview of the state-of-the-art. Procedia Computer Science, 217, 1028-1037.
  9. Enzi, M., Parragh, S.N., Puchinger, J. (2022). The bi-objective multimodal car-sharing problem. OR Spectrum, 44, 307–348. Preprint:
  10. Parragh, S.N., Tricoire, F., Gutjahr, W.J. (2022). A branch-and-Benders-cut algorithm for a bi-objective stochastic facility location problem. OR Spectrum, 44, 419-459. Preprint:
  11. Nazemi, N., Parragh, S.N. (2022). Resilient Supply Chain Network Design: An Overview of Optimization Models. In: Kummer, S., Wakolbinger, T., Novoszel, L., Geske, A.M. (eds) Supply Chain Resilience. Springer Series in Supply Chain Management, vol 17. Springer, Cham.
  12. Nazemi, N., Parragh, S.N., Gutjahr, W. (2022). Bi-objective risk-averse facility location using a subset-based representation of the conditional value-at-risk. In Proceedings of the 11th International Conference on Operations Research and Enterprise Systems – ICORESISBN 978-989-758-548-7, pages 77-85. [Best Student Paper Award]
  13. Nazemi, N., Parragh, S. N., Gutjahr, W. J. (2022). Bi-objective facility location under uncertainty with an application in last-mile disaster relief. Annals of Operations Research, 319, 1689-1716.
  14. Berndorfer, J., Parragh, S.N. (2022). Modeling and solving a real world machine scheduling problem with due windows and processing set restrictions. Procedia Computer Science, 200, 1646-1653.
  15. Hofwimmer, M., Haslinger, X., Parragh, S.N., Müller, C., Goers, S., Tichler, R. (2021). Emissionsfreie Straßengüterverkehrslogistik durch den Einsatz von batterieelektrischen und H2-Brennstoffzellen-Lkw. In “Jahrbuch der Logistikforschung” Brunner, U., Prandtstetter, M., Reiner, G., Starkl, F.P., Stein, S., Wakolbinger, T. (eds), Vol 3, Trauner Verlag, pages 147-159.
  16. Enzi, M., Parragh, S.N., Pisinger, D., Prandtstetter, M. (2021). Modeling and solving the multimodal car- and ride-sharing problem. European Journal of Operational Research, 293(1), 290-303., Preprint:
  17. Gutjahr, M., Kellerer, H., Parragh, S.N. (2021). Heuristic approaches for scheduling jobs and vehicles in a cyclic flexible manufacturing system. Procedia Computer Science 180, 825-832.
  18. An D., Parragh S., Sinnl M. and Tricoire F. (2021). A LP Relaxation based Matheuristic for Multi-objective Integer Programming. In Proceedings of the 10th International Conference on Operations Research and Enterprise Systems – Volume 1: ICORES, ISBN 978-989-758-485-5, pages 88-98. DOI: 10.5220/0010347000880098, Preprint:
  19. Renata Turkes, R., Sörensen K., Hvattum, L. M., Barrena, E., Chentli, H., Coelho, L. C., Dayarian I., Grimault, A., Gullhav, A. N., Iris, C., Keskin, M., Kiefer, A., Lusby, R. M., Mauri, G. R., Monroy-Licht, M., Parragh, S. N., Riquelme-Rodriguez, J.-P., Santini, A., Martins Santos, V. G., Thomas, C. (2020). Data for a meta-analysis of the adaptive layer in adaptive large neighborhood search, Data in Brief 33.
  20. Hauder, V.A., Beham, A., Raggl, S., Parragh, S.N., Affenzeller, M. (2020). Resource-constrained multi-project scheduling with activity and time flexibility, Computers and Industrial Engineering, 150, 106857.
  21. Fazekas, K., Sinnl, M., Biere, A., Parragh, S. (2020). Duplex Encoding of Staircase At-Most-One Constraints for the Antibandwidth Problem. In: Hebrard E., Musliu N. (eds) Integration of Constraint Programming, Artificial Intelligence, and Operations Research. CPAIOR 2020. Lecture Notes in Computer Science, vol 12296. Springer, Cham.
  22. Nazemi N., Parragh S., Gutjahr W. (2020). Bi-objective facility location in the presence of uncertainty. Proceedings of the TSL Second Triennial Conference.
  23. Feillet, D., Parragh, S.N., Tricoire, F. (2019). A Local-Search Based Heuristic for the Unrestricted Block Relocation Problem. Computers and Operations Research, 108, 44-56., Preprint:
  24. Parragh, S.N., Tricoire, F. (2019). Branch-and-bound for bi-objective integer programming. INFORMS Journal on Computing, 31(4), 805-822.
  25. Parragh, S.N., Tricoire, F. (2019). Das Potential der Mehrzieloptimierung in der Logistik. In “Jahrbuch der Logistikforschung”, F.P. Starkl, M. Prandtstetter, T. Wakolbinger, G. Reiner (eds), Vol 2, Trauner Verlag, pages 145-155.
  26. Parragh, S.N., Doerner, K.F. (2018). Solving Routing Problems with pairwise synchronization constraints. Central European Journal of Operational Research, 26(2), 443-464.
  27. Tricoire, F., Parragh, S.N. (2017). Investing in logistics facilities today to reduce routing emissions tomorrow. Transportation Research Part B: Methodological, 103, 56-67.
  28. Parragh, S.N., Cordeau J.-F. (2017). Branch-and-Price and Adaptive Large Neighborhood Search for the Truck and Trailer Routing Problem with Time Windows. Computers and Operations Research, 83, 28-44.
  29. Ehrgott, M., Ljubic, I., Parragh, S.N. (2017), Feature Cluster: Recent Advances in Exact Methods for Multi-Objective Optimisation. European Journal of Operational Research, 260(3),  805-806.
  30. Enzi, M., Biesinger, B., Knopp, S., Parragh, S. N., Prandtstetter, M. (2017). Planning Shared Corporate Mobility Services. Transportation Research Procedia, 27, 270-277.
  31. Tricoire, F., Parragh, S.N., Gansterer, M. (2016). The Golf Tourist Problem. In “Dynamic Perspectives on Managerial Decision Making: Essays in Honor of Richard F. Hartl”, Dawid, H., Doerner, K.F., Feichtinger, G., Kort, P.M., Seidl, A. (eds), Volume 22 of the series Dynamic Modeling and Econometrics in Economics and Finance, Springer International Publishing, pages 473-489.
  32. Braekers, K., Hartl, R.F., Parragh, S.N., Tricoire, F. (2016). A bi-objective home care scheduling problem: Analyzing the trade-off between costs and client inconvenience. European Journal of Operational Research,248(2), 428-443.
  33. Kovacs, A.A., Golden, B., Hartl, R.F., Parragh, S.N. (2015). The generalized consistent vehicle routing problem. Transportation Science, 49(4), 796-816.
  34. Kovacs, A.A., Parragh, S.N., Hartl, R.F. (2015). The Multi-Objective Generalized Consistent Vehicle Routing Problem. European Journal of Operational Research, 247(2), 441-458.
  35. Parragh, S.N., Pinho de Sousa, J., Almada-Lobo, B. (2015). The dial-a-ride problem with split requests and profits, Transportation Science, 49(2), 311-334.
  36. Boegl, M., Doerner, K.F., Parragh, S.N. (2015). The school bus routing and scheduling problem with transfers. Networks, 65(2), 180-203.
  37. Kovacs, A.A., Hartl, R.F., Parragh, S.N., Golden, B. (2014). Vehicle routing problems in which consistency considerations are important: A survey. Networks, 64(3) ,192-213.
  38. Kovacs, A. A., Parragh, S. N., Hartl, R. F. (2014). A template based adaptive large neighborhood search for the consistent vehicle routing problem. Networks, 63(1), 60-81.
  39. Amorim, P., Parragh, S. N., Sperandio, F., Almada-Lobo, B. (2014). A rich vehicle routing problem dealing with perishable food: a case study. Top, 22(2), 489-508.
  40. Lehuédé, F., Masson, R., Parragh, S.N., Péton, O., Tricoire, F. (2014). A multi-criteria large neighborhood search for the transportation of disabled people. Journal of the Operational Research Society, 65, 983-1000.
  41. Parragh, S.N. and Schmid, V. (2013). Hybrid column generation and large neighborhood search for the dial-a-ride problem. Computers & Operations Research, 40 (1), 490-497.
  42. Kovacs, A.A., Parragh, S.N., Doerner, K.F., Hartl, R.F. (2012). Adaptive large neighborhood search for service technician routing and scheduling problems. Journal of Scheduling, 15 (5), 579-600.
  43. Parragh, S.N, Cordeau, J.-F., Doerner, K.F., Hartl, R.F. (2012) Models and Algorithms for the Heterogeneous Dial-a-Ride Problem with Driver Related Constraints. OR Spectrum, 34(3), 593-633.
  44. Parragh, S.N. (2011). Introducing heterogeneous users and vehicles into models and algorithms for the dial-a-ride problem. Transportation Research Part C: Emerging Technologies, 19 (5), 912-930.
  45. Parragh, S.N., Doerner, K.F., Hartl, R.F. (2010). Variable Neighborhood Search for the Dial-a-Ride Problem. Computers & Operations Research, 37(6), 1129-1138.
  46. Parragh, S.N., Doerner, K.F., Hartl, R.F. (2010). Demand responsive transportation. in: Wiley Encyclopedia of Operations Research and Management Science, James J. Cochran (ed.).
  47. Parragh, S.N., Doerner, K.F., Gandibleux, X., Hartl, R.F. (2009). A heuristic two-phase solution approach for the multi-objective dial-a-ride problem. Networks, 54, 227-242.
  48. Parragh, S.N., Doerner, K.F., Hartl, R.F. (2008). A survey on pickup and delivery problems. Part I: Transportation between customers and depot. Journal für Betriebswirtschaft, 58(1), 21-51.
  49. Parragh, S.N., Doerner, K.F., Hartl, R.F. (2008). A survey on pickup and delivery problems. Part II: Transportation between pickup and delivery locations. Journal für Betriebswirtschaft, 58(2), 81-117.

Other technical reports

  1. Turkes, R., Sörensen, K., Hvattum, L.M., Barrena, E., Chentli, H., Coelho, L., Dayarian, I., Grimault, A., Gullhav, A., Iris, , Keskin, M., Kiefer, A., Lusby, R., Mauri, G., Monroy-Licht, M., Parragh, S.N., Riquelme-Rodri­guez, J.-P., Santini, A., Gandra Martins Santos, V., Thomas, C. (2019). Meta-analysis of metaheuristics: Quantifying the effect of adaptiveness in adaptive large neighborhood search
  2. Hauder, V.A., Beham, A., Raggl, S., Parragh, S.N., Affenzeller, M. (2018). On constraint programming for a new flexible project scheduling problem with resource constraints.
  3. Parragh, S.N., Pinho de Sousa, J., Almada-Lobo, B. (2012). Valid inequalities for the dial-a-ride problem with split requests and profits. Technical report, IBM Center for Advanced Studies/INESC Porto and University of Vienna.