Publications
Selected publications
- New and tractable formulations for the eco-driving and the eco-routing-and-driving problems (Journal article - 2024)
- Designing a multi-modal and variable-echelon delivery system for last-mile logistics (Journal article - 2023)
- Optimal driving for vehicle fuel economy under traffic speed uncertainty (Journal article - 2021)
- Quantifying environmental and financial benefits of using porters and cycle couriers for last-mile parcel delivery (Journal article - 2020)
- Understanding the impact of e-commerce on last-mile light goods vehicle activity in urban areas: The case of London (Journal article - 2018)
2025
The billion-pound question in fashion E-commerce: Investigating the anatomy of returns
Marriott, J., Bektaş, T., Leung, E. K. H., & Lyons, A. (2025). The billion-pound question in fashion E-commerce: Investigating the anatomy of returns. Transportation Research Part E: Logistics and Transportation Review, 194, 103904. doi:10.1016/j.tre.2024.103904
The hub location problem with comparisons of compact formulations: A note
Setiawan, F., Bektaş, T., & Iris, Ç. (2025). The hub location problem with comparisons of compact formulations: A note. Transportation Research Part E: Logistics and Transportation Review, 194, 103902. doi:10.1016/j.tre.2024.103902
The role of hubs and economies of scale in network expansion
Setiawan, F., Bektaş, T., & Iris, Ç. (2025). The role of hubs and economies of scale in network expansion. Omega, 131, 103220. doi:10.1016/j.omega.2024.103220
2024
Decarbonizing Road Freight Transportation: Recent Advances and Future Trends
Koc, C., Bektas, T., & Laporte, G. (n.d.). Decarbonizing Road Freight Transportation: Recent Advances and Future Trends. Journal of the Operational Research Society.
The Effects of Risk Preferences on Consumers’ Reference-Dependent Choices for Autonomous Vehicles
Liang, Y., Qian, L., Lu, Y., & Bektas, T. (n.d.). The Effects of Risk Preferences on Consumers’ Reference-Dependent Choices for Autonomous Vehicles. Risk Analysis.
New and tractable formulations for the eco-driving and the eco-routing-and-driving problems
Wu, F., Ye, H., Bektaş, T., & Dong, M. (2024). New and tractable formulations for the eco-driving and the eco-routing-and-driving problems. European Journal of Operational Research. doi:10.1016/j.ejor.2024.10.005
Improving last-mile parcel delivery through shared consolidation and portering: A case study in London
Lamas-Fernandez, C., Martinez-Sykora, A., McLeod, F., Bektas, T., Cherrett, T., & Allen, J. (2023). Improving last-mile parcel delivery through shared consolidation and portering: A case study in London. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY. doi:10.1080/01605682.2023.2231095
The Role of Technology Readiness in Consumers’ Acceptance of Autonomous Delivery Service
Liang, Y., Qian, L., Lu, Y., & Bektas, T. (2024). The Role of Technology Readiness in Consumers’ Acceptance of Autonomous Delivery Service. Academy of Management Proceedings, 2024(1). doi:10.5465/amproc.2024.20bp
2023
The Cumulative School Bus Routing Problem: Polynomial-Size Formulations
Farzadnia, F., Bektas, T., & Lysgaard, J. (2023). The Cumulative School Bus Routing Problem: Polynomial-Size Formulations. Networks.
Designing a multi-modal and variable-echelon delivery system for last-mile logistics
Bayliss, C., Bektas, T., Tjon-Soei-Len, V., & Rohner, R. (n.d.). Designing a multi-modal and variable-echelon delivery system for last-mile logistics. European Journal of Operational Research. doi:10.1016/j.ejor.2022.08.041
2022
Optimising vehicle and on-foot porter routing in urban logistics
Wehbi, L., Bektas, T., & Iris, C. (2022). Optimising vehicle and on-foot porter routing in urban logistics. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 109. doi:10.1016/j.trd.2022.103371
Node-based Lagrangian relaxations for multicommodity capacitated fixed-charge network design
Kazemzadeh, M. R. A., Bektas, T., Crainic, T. G., Frangioni, A., Gendron, B., & Gorgone, E. (2022). Node-based Lagrangian relaxations for multicommodity capacitated fixed-charge network design. DISCRETE APPLIED MATHEMATICS, 308, 255-275. doi:10.1016/j.dam.2020.12.024
2021
Optimal driving for vehicle fuel economy under traffic speed uncertainty
Wu, F., Bektas, T., Dong, M., Ye, H., & Zhang, D. (2021). Optimal driving for vehicle fuel economy under traffic speed uncertainty. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 154, 175-206. doi:10.1016/j.trb.2021.10.010
Minimizing energy and cost in range-limited drone deliveries with speed optimization
Dukkanci, O., Kara, B. Y., & Bektas, T. (2021). Minimizing energy and cost in range-limited drone deliveries with speed optimization. TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES, 125. doi:10.1016/j.trc.2021.102985
Combining on-foot porters with vans for last-mile parcel deliveries: results of a study in central London
Allen, J., Piecyk, M., Cherrett, T., McLeod, F., Oakey, A., Piotrowska, M., . . . Friday, A. (2021). Combining on-foot porters with vans for last-mile parcel deliveries: results of a study in central London. World Review of Intermodal Transportation Research, 10(1), 65. doi:10.1504/writr.2021.113491
Green Routing of Freight Vehicles
Bektaş, T. (2021). Green Routing of Freight Vehicles. In International Encyclopedia of Transportation (pp. 224-230). Elsevier. doi:10.1016/b978-0-08-102671-7.10249-0
List of Contributors to Volume 3
List of Contributors to Volume 3 (2021). In International Encyclopedia of Transportation (pp. ix-xiii). Elsevier. doi:10.1016/b978-0-08-102671-7.10807-3
Understanding the transport and CO<sub>2</sub> impacts of on-demand meal deliveries: A London case study
Allen, J., Piecyk, M., Cherrett, T., Juhari, M. N., McLeod, F., Piotrowska, M., . . . Wise, S. (2021). Understanding the transport and CO<sub>2</sub> impacts of on-demand meal deliveries: A London case study. CITIES, 108. doi:10.1016/j.cities.2020.102973
2020
Compact formulations for multi-depot routing problems: Theoretical and computational comparisons
Bektas, T., Gouveia, L., & Santos, D. (n.d.). Compact Formulations for Multi-depot Routing Problems: Theoretical and Computational Comparisons. Computers and Operations Research.
Optimised solutions to the last-mile delivery problem in London using a combination of walking and driving
Martinez-Sykora, A., McLeod, F., Lamas-Fernandez, C., Bektas, T., Cherrett, T., & Allen, J. (2020). Optimised solutions to the last-mile delivery problem in London using a combination of walking and driving. Annals of Operations Research. doi:10.1007/s10479-020-03781-8
Benders decomposition for the mixed no-idle permutation flowshop scheduling problem
Bektas, T., Hamzadayi, A., & Ruiz, R. (2020). Benders decomposition for the mixed no-idle permutation flowshop scheduling problem. JOURNAL OF SCHEDULING, 23(4), 513-523. doi:10.1007/s10951-020-00637-8
Combined maritime fleet deployment and inventory management with port visit flexibility in roll-on roll-off shipping
Dong, B., Christiansen, M., Fagerholt, K., & Bektas, T. (2020). Combined maritime fleet deployment and inventory management with port visit flexibility in roll-on roll-off shipping. TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW, 140. doi:10.1016/j.tre.2020.101988
Quantifying environmental and financial benefits of using porters and cycle couriers for last-mile parcel delivery
McLeod, F. N., Cherrett, T. J., Bektas, T., Allen, J., Martinez-Sykora, A., Lamas-Fernandez, C., . . . Wise, S. (2020). Quantifying environmental and financial benefits of using porters and cycle couriers for last-mile parcel delivery. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 82. doi:10.1016/j.trd.2020.102311
Using l^p-norms for Fairness in Combinatorial Optimisation
Bektas, T., & Letchford, A. N. (2020). Using l^p-norms for Fairness in Combinatorial Optimisation. Computers and Operations Research. doi:10.1016/j.cor.2020.104975
Efficient computation of the Shapley value for large-scale linear production games
Le, P. H., Nguyen, T. -D., & Bektas, T. (2020). Efficient computation of the Shapley value for large-scale linear production games. ANNALS OF OPERATIONS RESEARCH, 287(2), 761-781. doi:10.1007/s10479-018-3047-0
Collaborative Parcels Logistics via the Carrier's Carrier Operating Model
McLeod, F., Cherrett, T., Bates, O., Bektas, T., Lamas-Fernandez, C., Allen, J., . . . Oakey, A. (2020). Collaborative Parcels Logistics via the Carrier's Carrier Operating Model. TRANSPORTATION RESEARCH RECORD, 2674(8), 384-393. doi:10.1177/0361198120920636
2019
Revisiting the Hamiltonian p-median problem: a new formulation on directed graphs and a branch-and-cut algorithm
Bektas, T., Gouveia, L., & Santos, D. (2019). Revisiting the Hamiltonian p-median problem: a new formulation on directed graphs and a branch-and-cut algorithm. European Journal of Operational Research, 276(1), 40-64. doi:10.1016/j.ejor.2018.12.041
The green location-routing problem
Dukkanci, O., Kara, B. Y., & Bektas, T. (2019). The green location-routing problem. COMPUTERS & OPERATIONS RESEARCH, 105, 187-202. doi:10.1016/j.cor.2019.01.011
The role of operational research in green freight transportation
Bektaş, T., Ehmke, J. F., Psaraftis, H. N., & Puchinger, J. (2019). The role of operational research in green freight transportation. European Journal of Operational Research, 274(3), 807-823. doi:10.1016/j.ejor.2018.06.001
Balanced Vehicle Routing: Polyhedral Analysis and Branch-and-Cut Algorithm
Bektas, T., Gouveia, L., Martinez-Sykora, A., & Salazar-González, J. -J. (2019). Balanced Vehicle Routing: Polyhedral Analysis and Branch-and-Cut Algorithm. European Journal of Operational Research, 273(2), 452-463. doi:10.1016/j.ejor.2018.08.034
Chapter 7 Green Network Design Problems
Dukkanci, O., Bektaş, T., & Kara, B. Y. (2019). Chapter 7 Green Network Design Problems. In Sustainable Transportation and Smart Logistics (pp. 169-206). Elsevier. doi:10.1016/b978-0-12-814242-4.00007-7
Green Location Problems
Alumur, S. A., & Bektaş, T. (2019). Green Location Problems. In Location Science (pp. 591-610). Springer International Publishing. doi:10.1007/978-3-030-32177-2_20
Integrated production scheduling and distribution planning with time windows
Kesen, S. E., & Bektaş, T. (2019). Integrated Production Scheduling and Distribution Planning with Time Windows. In International Series in Operations Research & Management Science (pp. 231-252). Springer International Publishing. doi:10.1007/978-3-319-97511-5_8
Optimal spare parts management for vessel maintenance scheduling
Kian, R., Bektas, T., & Ouelhadj, D. (2019). Optimal spare parts management for vessel maintenance scheduling. ANNALS OF OPERATIONS RESEARCH, 272(1-2), 323-353. doi:10.1007/s10479-018-2907-y
PARK AND PARCEL: AN AGENT-BASED EXPLORATION OF LAST-MILE FREIGHT DELIVERY BEHAVIOR AS IT RELATES TO PARKING
Wise, S., Cheliotis, K., Bates, O., McLeod, F., Cherrett, T., Allen, J., . . . Bektas, T. (2019). PARK AND PARCEL: AN AGENT-BASED EXPLORATION OF LAST-MILE FREIGHT DELIVERY BEHAVIOR AS IT RELATES TO PARKING. In 2019 SPRING SIMULATION CONFERENCE (SPRINGSIM). doi:10.23919/springsim.2019.8732864
2018
Route and speed optimization for autonomous trucks
Nasri, M. I., Bektas, T., & Laporte, G. (2018). Route and speed optimization for autonomous trucks. COMPUTERS & OPERATIONS RESEARCH, 100, 89-101. doi:10.1016/j.cor.2018.07.015
The Scope for Pavement Porters: Addressing the Challenges of Last-Mile Parcel Delivery in London
Allen, J., Bektas, T., Cherrett, T., Bates, O., Friday, A., McLeod, F., . . . Wise, S. (2018). The Scope for Pavement Porters: Addressing the Challenges of Last-Mile Parcel Delivery in London. TRANSPORTATION RESEARCH RECORD, 2672(9), 184-193. doi:10.1177/0361198118794535
Green Network Design Problems
Dukkanci, O., Bektas, T., & Kara, B. Y. (2019). Green Network Design Problems. In SUSTAINABLE TRANSPORTATION AND SMART LOGISTICS: DECISION-MAKING MODELS AND SOLUTIONS (pp. 169-206). doi:10.1016/B978-0-12-814242-4.00007-7
Optimising parcel deliveries in London using dual-mode routing
Nguyen, T., Bektas, T., Cherrett, T., Mcleod, F., Allen, J., Bates, O., . . . Wise, S. (2018). Optimising parcel deliveries in London using dual-mode routing. Journal of the Operational Research Society. doi:10.1080/01605682.2018.1480906
Disjunctive Programming for Multiobjective Discrete Optimisation
Bektas, T. (2018). Disjunctive Programming for Multiobjective Discrete Optimisation. INFORMS JOURNAL ON COMPUTING, 30(4), 625-633. doi:10.1287/ijoc.2017.0804
Path and speed optimization for conflict-free pickup and delivery under time windows
Adamo, T., Bektas, T., Ghiani, G., Guerriero, E., & Manni, E. (2018). Path and Speed Optimization for Conflict-Free Pickup and Delivery Under Time Windows. TRANSPORTATION SCIENCE, 52(4), 739-755. doi:10.1287/trsc.2017.0816
Understanding the impact of e-commerce on last-mile light goods vehicle activity in urban areas: The case of London
Allen, J., Piecyk, M., Piotrowska, M., McLeod, F., Cherrett, T., Ghali, K., . . . Austwick, M. (2018). Understanding the impact of e-commerce on last-mile light goods vehicle activity in urban areas: The case of London. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 61, 325-338. doi:10.1016/j.trd.2017.07.020
Multicommodity flows and Benders decomposition for restricted continuous location problems
Oguz, M., Bektas, T., & Bennell, J. A. (2018). Multicommodity flows and Benders decomposition for restricted continuous location problems. European Journal of Operational Research, 266(3), 851-863. doi:10.1016/j.ejor.2017.11.033
Transforming Last-Mile Logistics: Opportunities for more Sustainable Deliveries
Bates, O., Friday, A., Allen, J., Cherrett, T., Mcleod, F., Bektas, T., . . . Davies, N. (2018). Transforming Last-Mile Logistics: Opportunities for more Sustainable Deliveries. In PROCEEDINGS OF THE 2018 CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS (CHI 2018). doi:10.1145/3173574.3174100
ICT for Sustainable Last-Mile Logistics: Data, People and Parcels
Bates, O., Friday, A., Allen, J., McLeod, F., Cherrett, T., Wise, S., . . . Nguyen, T. (n.d.). ICT for Sustainable Last-Mile Logistics: Data, People and Parcels. In EPiC Series in Computing Vol. 52 (pp. 49-29). EasyChair. doi:10.29007/67nl
2017
Iterated local search for workforce scheduling and routing problems
Xie, F., Potts, C. N., & Bektas, T. (2017). Iterated local search for workforce scheduling and routing problems. JOURNAL OF HEURISTICS, 23(6), 471-500. doi:10.1007/s10732-017-9347-8
New path elimination constraints for multi-depot routing problems
Bektas, T., Gouveia, L., & Santos, D. (2017). New path elimination constraints for multi-depot routing problems. NETWORKS, 70(3), 246-261. doi:10.1002/net.21760
Collaboration in freight distribution
Bektaş, T. (2017). Collaboration in freight distribution. In Freight Transport and Distribution (pp. 201-212). CRC Press. doi:10.1201/9781315173962-7
Freight logistics, distribution and transport Concepts
Bektaş, T. (2017). Freight logistics, distribution and transport Concepts. In Freight Transport and Distribution (pp. 1-14). CRC Press. doi:10.1201/9781315173962-1
Green freight distribution
Bektaş, T. (2017). Green freight distribution. In Freight Transport and Distribution (pp. 175-200). CRC Press. doi:10.1201/9781315173962-6
Integrated routing problems
Bektaş, T. (2017). Integrated routing problems. In Freight Transport and Distribution (pp. 157-174). CRC Press. doi:10.1201/9781315173962-5
Location in networks
Bektaş, T. (2017). Location in networks. In Freight Transport and Distribution (pp. 15-56). CRC Press. doi:10.1201/9781315173962-2
Methodology
Bektaş, T. (2017). Methodology. In Freight Transport and Distribution (pp. 213-256). CRC Press. doi:10.1201/9781315173962-8
Routing problems
Bektaş, T. (2017). Routing problems. In Freight Transport and Distribution (pp. 93-156). CRC Press. doi:10.1201/9781315173962-4
Transportation and service networks
Bektaş, T. (2017). Transportation and service networks. In Freight Transport and Distribution (pp. 57-92). CRC Press. doi:10.1201/9781315173962-3
Combinatorial Benders cuts for assembly line balancing problems with setups
Akpinar, S., Elmi, A., & Bektas, T. (2017). Combinatorial Benders cuts for assembly line balancing problems with setups. European Journal of Operational Research, 259(2), 527-537. doi:10.1016/j.ejor.2016.11.001
From Managing Urban Freight to Smart City Logistics Networks
Bektaş, T., Crainic, T. G., & Van Woensel, T. (2017). From Managing Urban Freight to Smart City Logistics Networks. In Series on Computers and Operations Research (pp. 143-188). World Scientific. doi:10.1142/9789813200012_0007
Methodology
Methodology (2017). In Freight Transport and Distribution (pp. 213-256). CRC Press. doi:10.1201/9781315173962-9
Addressing nodal constraints on the capacity of railways
Armstrong, J., Preston, J., Potts, C., Bektas, T., & Paraskevopoulos, D. (2017). Addressing nodal constraints on the capacity of railways. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT, 231(5), 637-646. doi:10.1177/0954409717706271
A New Formulation for the Combined Maritime Fleet Deployment and Inventory Management Problem
Dong, B., Bektas, T., Chandra, S., Christiansen, M., & Fagerholt, K. (2017). A New Formulation for the Combined Maritime Fleet Deployment and Inventory Management Problem. In COMPUTATIONAL LOGISTICS, ICCL 2017 Vol. 10572 (pp. 321-335). doi:10.1007/978-3-319-68496-3_22
Enabling a Freight Traffic Controller for Collaborative Multidrop Urban Logistics Practical and Theoretical Challenges
Allen, J., Bektas, T., Cherrett, T., Friday, A., McLeod, F., Piecyk, M., . . . Austwick, M. Z. (2017). Enabling a Freight Traffic Controller for Collaborative Multidrop Urban Logistics Practical and Theoretical Challenges. TRANSPORTATION RESEARCH RECORD, (2609), 77-84. doi:10.3141/2609-09
Freight Transport and Distribution
Bektaş, T. (n.d.). Freight Transport and Distribution. CRC Press. doi:10.1201/9781315173962
2016
A comparison of three idling options in long-haul truck scheduling
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2016). A comparison of three idling options in long-haul truck scheduling. Transportation Research Part B: Methodological: an international journal, 93(A), 631-647. doi:10.1016/j.trb.2016.08.006
A cycle-based evolutionary algorithm for the fixed-charge capacitated multi-commodity network design problem
Paraskevopoulos, D. C., Bektas, T., Crainic, T. G., & Potts, C. N. (2016). A cycle-based evolutionary algorithm for the fixed-charge capacitated multi-commodity network design problem. European Journal of Operational Research, 253(2), 265-279. doi:10.1016/j.ejor.2015.12.051
A multiperiod location-routing problem arising in the collection of Olive Oil Mill Wastewater
Tunalioglu, R., Koc, C., & Bektas, T. (2016). A multiperiod location-routing problem arising in the collection of Olive Oil Mill Wastewater. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 67(7), 1012-1024. doi:10.1057/jors.2015.121
Generalized minimum spanning tree games
Phuoc, H. L., Tri-Dung, N., & Bektas, T. (2016). Generalized minimum spanning tree games. EURO JOURNAL ON COMPUTATIONAL OPTIMIZATION, 4(2), 167-188. doi:10.1007/s13675-015-0042-y
Sustainability SI: Multimode Multicommodity Network Design Model for Intermodal Freight Transportation with Transfer and Emission Costs
Qu, Y., Bektas, T., & Bennell, J. (2016). Sustainability SI: Multimode Multicommodity Network Design Model for Intermodal Freight Transportation with Transfer and Emission Costs. NETWORKS & SPATIAL ECONOMICS, 16(1), 303-329. doi:10.1007/s11067-014-9227-9
Thirty years of heterogeneous vehicle routing
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2016). Thirty years of heterogeneous vehicle routing. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 249(1), 1-21. doi:10.1016/j.ejor.2015.07.020
The impact of depot location, fleet composition and routing on emissions in city logistics
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2016). The impact of depot location, fleet composition and routing on emissions in city logistics. Transportation Research Part B: Methodological, 84, 81-102. doi:10.1016/j.trb.2015.12.010
A comparative review of 3D container loading algorithms
Zhao, X., Bennell, J. A., Bektas, T., & Dowsland, K. (2016). A comparative review of 3D container loading algorithms. INTERNATIONAL TRANSACTIONS IN OPERATIONAL RESEARCH, 23(1-2), 287-320. doi:10.1111/itor.12094
A modelling framework for solving restricted planar location problems using phi-objects
Oguz, M., Bektas, T., Bennell, J. A., & Fliege, J. (2016). A modelling framework for solving restricted planar location problems using phi-objects. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 67(8), 1080-1096. doi:10.1057/jors.2016.5
Green Vehicle Routing
Bektaş, T., Demir, E., & Laporte, G. (2016). Green Vehicle Routing. In International Series in Operations Research & Management Science (pp. 243-265). Springer International Publishing. doi:10.1007/978-3-319-17175-3_7
The congested multicommodity network design problem
Paraskevopoulos, D. C., Guerel, S., & Bektas, T. (2016). The congested multicommodity network design problem. TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW, 85, 166-187. doi:10.1016/j.tre.2015.10.007
The fleet size and mix location-routing problem with time windows: Formulations and a heuristic algorithm
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2016). The fleet size and mix location-routing problem with time windows: Formulations and a heuristic algorithm. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 248(1), 33-51. doi:10.1016/j.ejor.2015.06.082
2015
Transformations of node-balanced routing problems
Martinez-Sykora, A., & Bektas, T. (2015). Transformations of node-balanced routing problems. NAVAL RESEARCH LOGISTICS, 62(5), 370-387. doi:10.1002/nav.21634
A hybrid evolutionary algorithm for heterogeneous fleet vehicle routing problems with time windows
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2015). A hybrid evolutionary algorithm for heterogeneous fleet vehicle routing problems with time windows. COMPUTERS & OPERATIONS RESEARCH, 64, 11-27. doi:10.1016/j.cor.2015.05.004
The time-dependent two-echelon capacitated vehicle routing problem with environmental considerations
Soysal, M., Bloemhof-Ruwaard, J. M., & Bektas, T. (2015). The time-dependent two-echelon capacitated vehicle routing problem with environmental considerations. INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, 164, 366-378. doi:10.1016/j.ijpe.2014.11.016
Optimal Vehicle Routing with Lower and Upper Bounds on Route Durations
Bektas, T., & Lysgaard, J. (2015). Optimal Vehicle Routing with Lower and Upper Bounds on Route Durations. NETWORKS, 65(2), 166-179. doi:10.1002/net.21592
Matheuristics for solving a multi-attribute collection problem for a charity organisation
Erdogan, G., McLeod, F., Cherrett, T., & Bektas, T. (2015). Matheuristics for solving a multi-attribute collection problem for a charity organisation. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 66(2), 177-190. doi:10.1057/jors.2013.172
2014
The fleet size and mix pollution-routing problem
Koc, C., Bektas, T., Jabali, O., & Laporte, G. (2014). The fleet size and mix pollution-routing problem. TRANSPORTATION RESEARCH PART B: METHODOLOGICAL, 70, 239-254. doi:10.1016/j.trb.2014.09.008
Dynamic Vehicle Routing Problems
Bektas, T., Repoussis, P. P., & Tarantilis, C. D. (2014). Dynamic Vehicle Routing Problems. In VEHICLE ROUTING: PROBLEMS, METHODS, AND APPLICATIONS, 2ND EDITION (pp. 299-347). Retrieved from https://www.webofscience.com/
Green Vehicle Routing
Eglese, R., & Bektas, T. (2014). Green Vehicle Routing. In VEHICLE ROUTING: PROBLEMS, METHODS, AND APPLICATIONS, 2ND EDITION (pp. 437-458). Retrieved from https://www.webofscience.com/
A review of recent research on green road freight transportation
Dernir, E., Bektas, T., & Laporte, G. (2014). A review of recent research on green road freight transportation. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 237(3), 775-793. doi:10.1016/j.ejor.2013.12.033
CDN MODELING
Bektas, T., & Ercetin, O. (2014). CDN MODELING. In ADVANCED CONTENT DELIVERY, STREAMING, AND CLOUD SERVICES (pp. 179-202). Retrieved from https://www.webofscience.com/
<i>Requiem</i> for the Miller-Tucker-Zemlin subtour elimination constraints?
Bektas, T., & Gouveia, L. (2014). <i>Requiem</i> for the Miller-Tucker-Zemlin subtour elimination constraints?. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 236(3), 820-832. doi:10.1016/j.ejor.2013.07.038
Improving collection efficiency through remote monitoring of charity assets
McLeod, F., Erdogan, G., Cherrett, T., Bektas, T., Davies, N., Shingleton, D., . . . Norgate, S. (2014). Improving collection efficiency through remote monitoring of charity assets. WASTE MANAGEMENT, 34(2), 273-280. doi:10.1016/j.wasman.2013.11.006
The bi-objective Pollution-Routing Problem
Demir, E., Bektas, T., & Laporte, G. (2014). The bi-objective Pollution-Routing Problem. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 232(3), 464-478. doi:10.1016/j.ejor.2013.08.002
A simheuristic algorithm for the Single-Period Stochastic Inventory-Routing Problem with stock-outs
Juan, A. A., Grasman, S. E., Caceres-Cruz, J., & Bektas, T. (2014). A simheuristic algorithm for the Single-Period Stochastic Inventory-Routing Problem with stock-outs. SIMULATION MODELLING PRACTICE AND THEORY, 46, 40-52. doi:10.1016/j.simpat.2013.11.008
Modeling and optimizing the integrated problem of closed-loop supply chain network design and disassembly line balancing
Ozceylan, E., Paksoy, T., & Bektas, T. (2014). Modeling and optimizing the integrated problem of closed-loop supply chain network design and disassembly line balancing. TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW, 61, 142-164. doi:10.1016/j.tre.2013.11.001
Routing fleets with multiple driving ranges: Is it possible to use greener fleet configurations?
Juan, A. A., Goentzel, J., & Bektas, T. (2014). Routing fleets with multiple driving ranges: Is it possible to use greener fleet configurations?. APPLIED SOFT COMPUTING, 21, 84-94. doi:10.1016/j.asoc.2014.03.012
2013
Dynamic Collection Scheduling Using Remote Asset Monitoring Case Study in the UK Charity Sector
McLeod, F., Erdogan, G., Cherrett, T., Bektas, T., Davies, N., Speed, C., . . . Norgate, S. (2013). Dynamic Collection Scheduling Using Remote Asset Monitoring Case Study in the UK Charity Sector. TRANSPORTATION RESEARCH RECORD, (2378), 65-72. doi:10.3141/2378-07
Editorial
Clark, A., Bektas, T., & Freeman, J. (2013). Editorial. OR Insight, 26(4), 219. doi:10.1057/ori.2013.11
Balancing Tour Durations in Routing a Vehicle Fleet
Bektas, T. (2013). Balancing Tour Durations in Routing a Vehicle Fleet. In PROCEEDINGS OF THE 2013 IEEE SYMPOSIUM ON COMPUTATIONAL INTELLIGENCE IN PRODUCTION AND LOGISTICS SYSTEMS (CIPLS) (pp. 9-16). Retrieved from https://www.webofscience.com/
An empirical investigation of advanced manufacturing technology investment patterns: Evidence from a developing country
Bulbul, H., Omurbek, N., Paksoy, T., & Bektas, T. (2013). An empirical investigation of advanced manufacturing technology investment patterns: Evidence from a developing country. JOURNAL OF ENGINEERING AND TECHNOLOGY MANAGEMENT, 30(2), 136-156. doi:10.1016/j.jengtecman.2013.01.002
The time-dependent pollution-routing problem
Franceschetti, A., Honhon, D., Van Woensel, T., Bektas, T., & Laporte, G. (2013). The time-dependent pollution-routing problem. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 56, 265-293. doi:10.1016/j.trb.2013.08.008
2012
An adaptive large neighborhood search heuristic for the Pollution-Routing Problem
Demir, E., Bektas, T., & Laporte, G. (2012). An adaptive large neighborhood search heuristic for the Pollution-Routing Problem. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 223(2), 346-359. doi:10.1016/j.ejor.2012.06.044
Combining Monte Carlo simulation with heuristics for solving the Inventory Routing Problem with stochastic demands
Caceres-Cruz, J., Juan, A. A., Bektas, T., Grasman, S. E., & Faulin, J. (2012). Combining Monte Carlo simulation with heuristics for solving the Inventory Routing Problem with stochastic demands. In Proceedings Title: Proceedings of the 2012 Winter Simulation Conference (WSC) (pp. 1-9). IEEE. doi:10.1109/wsc.2012.6464999
CHP and its role in efficient energy production: a feasibility assessment model
Nock, A., Ojiako, U., Bektas, T., & Chipulu, M. (2012). CHP and its role in efficient energy production: a feasibility assessment model. Management of Environmental Quality: An International Journal, 23(5), 546-565. doi:10.1108/14777831211255123
AN EXTENDED LIFETIME MEASURE FOR TELECOMMUNICATIONS NETWORKS: IMPROVEMENTS AND IMPLEMENTATIONS
Dzalilov, Z., Ouveysi, I., & Bektas, T. (2012). AN EXTENDED LIFETIME MEASURE FOR TELECOMMUNICATIONS NETWORKS: IMPROVEMENTS AND IMPLEMENTATIONS. JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION, 8(3), 639-649. doi:10.3934/jimo.2012.8.639
Formulations and Benders decomposition algorithms for multidepot salesmen problems with load balancing
Bektas, T. (2012). Formulations and Benders decomposition algorithms for multidepot salesmen problems with load balancing. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 216(1), 83-93. doi:10.1016/j.ejor.2011.07.020
Hybrid Algorithms for Service, Computing and Manufacturing Systems
Montoya-Torres, J. R., Juan, A. A., Huaccho Huatuco, L., Faulin, J., & Rodriguez-Verjan, G. L. (Eds.) (2012). Hybrid Algorithms for Service, Computing and Manufacturing Systems. doi:10.4018/978-1-61350-086-6
The problem of olive mill wastewater in Turkey and some solution alternatives
Tunalioǧlu, R., & Bektaş, T. (2012). The problem of olive mill wastewater in Turkey and some solution alternatives. Agriculturae Conspectus Scientificus, 77(1), 57-60.
2011
A Hybrid Algorithm Based on Monte-Carlo Simulation for the Vehicle Routing Problem with Route Length Restrictions
Juan, A. A., Faulin, J., Bektas, T., & Grasman, S. E. (n.d.). A Hybrid Algorithm Based on Monte-Carlo Simulation for the Vehicle Routing Problem with Route Length Restrictions. In Hybrid Algorithms for Service, Computing and Manufacturing Systems (pp. 122-135). IGI Global. doi:10.4018/978-1-61350-086-6.ch006
Practical feasibility and assessment model for combined heat and power
Nock, A., Ojiako, U., Bektas, T., & Chipulu, M. (2011). Practical feasibility and assessment model for combined heat and power. International Journal of Energy Sector Management, 5(2), 242-255. doi:10.1108/17506221111146002
Look, here comes the library van! Optimising the timetable of the mobile library service on the Isle of Wight
Rienthong, T., Walker, A., & Bektaş, T. (2011). Look, here comes the library van! Optimising the timetable of the mobile library service on the Isle of Wight. OR Insight, 24(1), 49-62. doi:10.1057/ori.2010.17
A comparative analysis of several vehicle emission models for road freight transportation
Demir, E., Bektas, T., & Laporte, G. (2011). A comparative analysis of several vehicle emission models for road freight transportation. TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 16(5), 347-357. doi:10.1016/j.trd.2011.01.011
Formulations and Branch-and-Cut Algorithms for the Generalized Vehicle Routing Problem
Bektas, T., Erdogan, G., & Ropke, S. (2011). Formulations and Branch-and-Cut Algorithms for the Generalized Vehicle Routing Problem. TRANSPORTATION SCIENCE, 45(3), 299-316. doi:10.1287/trsc.1100.0352
Operational and environmental performance measures in a multi-product closed-loop supply chain
Paksoy, T., Bektas, T., & Ozceylan, E. (2011). Operational and environmental performance measures in a multi-product closed-loop supply chain. TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW, 47(4), 532-546. doi:10.1016/j.tre.2010.12.001
The Pollution-Routing Problem
Bektas, T., & Laporte, G. (2011). The Pollution-Routing Problem. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 45(8), 1232-1250. doi:10.1016/j.trb.2011.02.004
2010
Editorial
Clark, A., Freeman, J., & Bektas, T. (2010). Editorial. OR Insight, 23(3), 151-153. doi:10.1057/ori.2010.9
Lagrangean-Based Decomposition Algorithms for Multicommodity Network Design Problems with Penalized Constraints
Bektas, T., Chouman, M., & Crainic, T. G. (2010). Lagrangean-Based Decomposition Algorithms for Multicommodity Network Design Problems with Penalized Constraints. NETWORKS, 55(3), 171-180. doi:10.1002/net.20362
Editorial
Bektas, T., & Laporte, G. (2010). Editorial. Journal of the Operational Research Society, 61(3), 502. doi:10.1057/jors.2009.159
Minimizing greenhouse gas emissions in intermodal freight transport: an application to rail service design
Bauer, J., Bektas, T., & Crainic, T. G. (2010). Minimizing greenhouse gas emissions in intermodal freight transport: an application to rail service design. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 61(3), 530-542. doi:10.1057/jors.2009.102
2009
Editorial
Clark, A., Freeman, J., & Bektas, T. (2009). Editorial. OR Insight, 22(3), 125-126. doi:10.1057/ori.2009.6
Editorial
Clark, A., Freeman, J., & Bektas, T. (2009). Editorial. OR Insight, 22(1), 1. doi:10.1057/ori.2009.1
Cellular manufacturing systems design with routing flexibility, machine procurement, production planning and dynamic system reconfiguration
Ahkioon, S., Bulgak, A. A., & Bektas, T. (2009). Cellular manufacturing systems design with routing flexibility, machine procurement, production planning and dynamic system reconfiguration. INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 47(6), 1573-1600. doi:10.1080/00207540701581809
Integrated cellular manufacturing systems design with production planning and dynamic system reconfiguration
Kioon, S. A., Bulgak, A. A., & Bektas, T. (2009). Integrated cellular manufacturing systems design with production planning and dynamic system reconfiguration. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 192(2), 414-428. doi:10.1016/j.ejor.2007.09.023
Improving the performance of rail yards through dynamic reassignments of empty cars
Bektas, T., Crainic, T. G., & Morency, V. (2009). Improving the performance of rail yards through dynamic reassignments of empty cars. TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES, 17(3), 259-273. doi:10.1016/j.trc.2008.11.003
2008
Exact algorithms for the joint object placement and request routing problem in content distribution networks
Bektas, T., Cordeau, J. -F., Erkut, E., & Laporte, G. (2008). Exact algorithms for the joint object placement and request routing problem in content distribution networks. COMPUTERS & OPERATIONS RESEARCH, 35(12), 3860-3884. doi:10.1016/j.cor.2007.02.005
Mathematical Models for Resource Management and Allocation in CDNs
Bektas, T., & Ouveysi, I. (2008). Mathematical Models for Resource Management and Allocation in CDNs. In CONTENT DELIVERY NETWORKS (Vol. 9, pp. 225-250). Retrieved from https://www.webofscience.com/
A two-level simulated annealing algorithm for efficient dissemination of electronic content
Bektas, T., Cordeau, J. -F., Erkut, E., & Laporte, G. (2008). A two-level simulated annealing algorithm for efficient dissemination of electronic content. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 59(11), 1557-1567. doi:10.1057/palgrave.jors.2602490
Lagrangean‐based solution approaches for the generalized problem of locating capacitated warehouses
Bektaş, T., & Bulgak, A. A. (2008). Lagrangean‐based solution approaches for the generalized problem of locating capacitated warehouses. International Transactions in Operational Research, 15(1), 67-85. doi:10.1111/j.1475-3995.2007.00616.x
2007
Brief Overview of Intermodal Transportation
Gabriel Crainic, T., & Bektas, T. (2007). Brief Overview of Intermodal Transportation. In Logistics Engineering Handbook. CRC Press. doi:10.1201/9781420004588.ch28
Brief Overview of Intermodal Transportation
Gabriel Crainic, T., & Bektas, T. (2007). Brief Overview of Intermodal Transportation. In Logistics Engineering Handbook. CRC Press. doi:10.1201/9780849330537.ch28
A Lagrangean relaxation and decomposition algorithm for the video placement and routing problem
Bektas, T., Oguz, O., & Ouveysi, I. (2007). A Lagrangean relaxation and decomposition algorithm for the video placement and routing problem. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 182(1), 455-465. doi:10.1016/j.ejor.2006.07.031
Designing cost-effective content distribution networks
Bektas, T., Oguz, O., & Ouveysi, I. (2007). Designing cost-effective content distribution networks. COMPUTERS & OPERATIONS RESEARCH, 34(8), 2436-2449. doi:10.1016/j.cor.2005.09.013
Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique
Dubuc, G., Cordeau, J. -F., Laporte, G., & Bektaş, T. (2007). Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique. INFOR: Information Systems and Operational Research, 45(3), 175-185. doi:10.3138/infor.45.3.175
Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique
Dubuc, G., Cordeau, J. -F., Laporte, E. G., & Bektaş, T. (2007). Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique. INFOR: Information Systems and Operational Research, 45(3), 175-185. doi:10.3138/infor.45.3.005
On separating cover inequalities for the multidimensional knapsack problem
Bektas, T., & Oguz, O. (2007). On separating cover inequalities for the multidimensional knapsack problem. COMPUTERS & OPERATIONS RESEARCH, 34(6), 1771-1776. doi:10.1016/j.cor.2005.05.032
Solving school bus routing problems through integer programming
Bektas, T., & Elmastas, S. (2007). Solving school bus routing problems through integer programming. JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, 58(12), 1599-1604. doi:10.1057/palgrave.jors.2602305
2006
Integer linear programming formulations of multiple salesman problems and its variations
Kara, I., & Bektas, T. (2006). Integer linear programming formulations of multiple salesman problems and its variations. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 174(3), 1449-1458. doi:10.1016/j.ejor.2005.03.008
Simulation optimization based DSS application: A diamond tool production line in industry
Dengiz, B., Bektas, T., & Ultanir, A. E. (2006). Simulation optimization based DSS application: A diamond tool production line in industry. SIMULATION MODELLING PRACTICE AND THEORY, 14(3), 296-312. doi:10.1016/j.simpat.2005.07.001
A novel optimization algorithm for video placement and routing
Bektas, T., Oguz, O., & Ouveysi, I. (2006). A novel optimization algorithm for video placement and routing. IEEE COMMUNICATIONS LETTERS, 10(2), 114-116. doi:10.1109/LCOMM.2006.02007
The multiple traveling salesman problem: an overview of formulations and solution procedures
Bektas, T. (2006). The multiple traveling salesman problem: an overview of formulations and solution procedures. OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE, 34(3), 209-219. doi:10.1016/j.omega.2004.10.004
2005
Relationships between prosodic and musical meters in the <i>Beste</i> form of classical Turkish music
Bektas, T. (2005). Relationships between prosodic and musical meters in the <i>Beste</i> form of classical Turkish music. ASIAN MUSIC, 36(1), 1-26. doi:10.1353/amu.2005.0003
A pathway for process improvement activities in a production environment:: A case study in a rework department
Özkök, O., Pakdil, F., Çamlica, F. B., Bektas, T., & Kara, I. (2005). A pathway for process improvement activities in a production environment:: A case study in a rework department. In BUSINESS PROCESS MANAGEMENT, PROCEEDINGS Vol. 3649 (pp. 344-353). Retrieved from https://www.webofscience.com/
Minimal Load Constrained Vehicle Routing Problems
Kara, I., & Bektas, T. (2005). Minimal Load Constrained Vehicle Routing Problems. In COMPUTATIONAL SCIENCE - ICCS 2005, PT 1, PROCEEDINGS Vol. 3514 (pp. 188-195). Retrieved from https://www.webofscience.com/
2004
A note on the lifted Miller-Tucker-Zemlin subtour elimination constraints for the capacitated vehicle routing problem
Kara, I., Laporte, G., & Bektas, T. (2004). A note on the lifted Miller-Tucker-Zemlin subtour elimination constraints for the capacitated vehicle routing problem. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 158(3), 793-795. doi:10.1016/S0377-2217(03)00377-1