2023
Farzadnia, F., Bektas, T., & Lysgaard, J. (2023). The Cumulative School Bus Routing Problem: Polynomial-Size Formulations. Networks.
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.2022.08.041DOI: 10.1016/j.ejor.2022.08.041
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:10.1080/01605682.2023.2231095DOI: 10.1080/01605682.2023.2231095
2022
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.2022.103371DOI: 10.1016/j.trd.2022.103371
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.2020.12.024DOI: 10.1016/j.dam.2020.12.024
2021
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.2021.10.010DOI: 10.1016/j.trb.2021.10.010
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.2021.102985DOI: 10.1016/j.trc.2021.102985
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.2021.113491DOI: 10.1504/writr.2021.113491
Combining on-foot porters with vans for last-mile parcel deliveries: results of a study in central London (Journal article)
Bektas, T., Wise, S., Cheliotis, K., Friday, A., Bates, O., Oakey, A., . . . Allen, J. (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.2021.10035922DOI: 10.1504/writr.2021.10035922
Green Routing of Freight Vehicles (Chapter)
Bektaş, T. (2021). Green Routing of Freight Vehicles. In International Encyclopedia of Transportation (pp. 224-230). Elsevier. doi:10.1016/b978-0-08-102671-7.10249-0DOI: 10.1016/b978-0-08-102671-7.10249-0
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.2020.102973DOI: 10.1016/j.cities.2020.102973
2020
Bektas, T., Gouveia, L., & Santos, D. (n.d.). Compact Formulations for Multi-depot Routing Problems: Theoretical and Computational Comparisons. Computers and Operations Research.DOI: 10.1016/j.cor.2020.105084
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/s10479-020-03781-8DOI: 10.1007/s10479-020-03781-8
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/s10951-020-00637-8DOI: 10.1007/s10951-020-00637-8
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.2020.101988DOI: 10.1016/j.tre.2020.101988
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.2020.102311DOI: 10.1016/j.trd.2020.102311
Bektas, T., & Letchford, A. N. (2020). Using l^p-norms for Fairness in Combinatorial Optimisation. Computers and Operations Research. doi:10.1016/j.cor.2020.104975DOI: 10.1016/j.cor.2020.104975
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/s10479-018-3047-0DOI: 10.1007/s10479-018-3047-0
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:10.1177/0361198120920636DOI: 10.1177/0361198120920636
2019
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.2018.12.041DOI: 10.1016/j.ejor.2018.12.041
Dukkanci, O., Kara, B. Y., & Bektas, T. (2019). The green location-routing problem. COMPUTERS & OPERATIONS RESEARCH, 105, 187-202. doi:10.1016/j.cor.2019.01.011DOI: 10.1016/j.cor.2019.01.011
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.2018.06.001DOI: 10.1016/j.ejor.2018.06.001
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.2018.08.034DOI: 10.1016/j.ejor.2018.08.034
Integrated production scheduling and distribution planning with time windows (Chapter)
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_8DOI: 10.1007/978-3-319-97511-5_8
Optimal spare parts management for vessel maintenance scheduling (Journal article)
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-yDOI: 10.1007/s10479-018-2907-y
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
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.2018.07.015DOI: 10.1016/j.cor.2018.07.015
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:10.1177/0361198118794535DOI: 10.1177/0361198118794535
Green Network Design Problems (Chapter)
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/B978-0-12-814242-4.00007-7DOI: 10.1016/B978-0-12-814242-4.00007-7
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:10.1080/01605682.2018.1480906DOI: 10.1080/01605682.2018.1480906
Bektas, T. (2018). Disjunctive Programming for Multiobjective Discrete Optimisation. INFORMS JOURNAL ON COMPUTING, 30(4), 625-633. doi:10.1287/ijoc.2017.0804DOI: 10.1287/ijoc.2017.0804
Path and speed optimization for conflict-free pickup and delivery under time windows (Journal article)
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.2017.0816DOI: 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 (Journal article)
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.2017.07.020DOI: 10.1016/j.trd.2017.07.020
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.2017.11.033DOI: 10.1016/j.ejor.2017.11.033
Transforming Last-Mile Logistics: Opportunities for more Sustainable Deliveries (Conference Paper)
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:10.1145/3173574.3174100DOI: 10.1145/3173574.3174100
ICT for Sustainable Last-Mile Logistics: Data, People and Parcels (Conference Paper)
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. EasyChair. doi:10.29007/67nlDOI: 10.29007/67nl
2017
Iterated local search for workforce scheduling and routing problems (Journal article)
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/s10732-017-9347-8DOI: 10.1007/s10732-017-9347-8
New path elimination constraints for multi-depot routing problems (Journal article)
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.21760DOI: 10.1002/net.21760
Combinatorial Benders cuts for assembly line balancing problems with setups (Journal article)
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.2016.11.001DOI: 10.1016/j.ejor.2016.11.001
Addressing nodal constraints on the capacity of railways (Journal article)
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:10.1177/0954409717706271DOI: 10.1177/0954409717706271
A New Formulation for the Combined Maritime Fleet Deployment and Inventory Management Problem (Conference Paper)
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_22DOI: 10.1007/978-3-319-68496-3_22
Enabling a Freight Traffic Controller for Collaborative Multidrop Urban Logistics Practical and Theoretical Challenges (Journal article)
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:10.3141/2609-09DOI: 10.3141/2609-09
Freight Transport and Distribution (Book)
Bektaş, T. (n.d.). Freight Transport and Distribution. CRC Press. doi:10.1201/9781315173962DOI: 10.1201/9781315173962
2016
A comparison of three idling options in long-haul truck scheduling (Journal article)
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.2016.08.006DOI: 10.1016/j.trb.2016.08.006
A cycle-based evolutionary algorithm for the fixed-charge capacitated multi-commodity network design problem (Journal article)
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.2015.12.051DOI: 10.1016/j.ejor.2015.12.051
A multiperiod location-routing problem arising in the collection of Olive Oil Mill Wastewater (Journal article)
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.2015.121DOI: 10.1057/jors.2015.121
Generalized minimum spanning tree games (Journal article)
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-yDOI: 10.1007/s13675-015-0042-y
Sustainability SI: Multimode Multicommodity Network Design Model for Intermodal Freight Transportation with Transfer and Emission Costs (Journal article)
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/s11067-014-9227-9DOI: 10.1007/s11067-014-9227-9
Thirty years of heterogeneous vehicle routing (Journal article)
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.2015.07.020DOI: 10.1016/j.ejor.2015.07.020
The impact of depot location, fleet composition and routing on emissions in city logistics (Journal article)
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.2015.12.010DOI: 10.1016/j.trb.2015.12.010
A comparative review of 3D container loading algorithms (Journal article)
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.12094DOI: 10.1111/itor.12094
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.2016.5DOI: 10.1057/jors.2016.5
Green Vehicle Routing (Chapter)
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_7DOI: 10.1007/978-3-319-17175-3_7
The congested multicommodity network design problem (Journal article)
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.2015.10.007DOI: 10.1016/j.tre.2015.10.007
The fleet size and mix location-routing problem with time windows: Formulations and a heuristic algorithm (Journal article)
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.2015.06.082DOI: 10.1016/j.ejor.2015.06.082
2015
Transformations of node-balanced routing problems (Journal article)
Martinez-Sykora, A., & Bektas, T. (2015). Transformations of node-balanced routing problems. NAVAL RESEARCH LOGISTICS, 62(5), 370-387. doi:10.1002/nav.21634DOI: 10.1002/nav.21634
A hybrid evolutionary algorithm for heterogeneous fleet vehicle routing problems with time windows (Journal article)
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.2015.05.004DOI: 10.1016/j.cor.2015.05.004
The time-dependent two-echelon capacitated vehicle routing problem with environmental considerations (Journal article)
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.2014.11.016DOI: 10.1016/j.ijpe.2014.11.016
Optimal Vehicle Routing with Lower and Upper Bounds on Route Durations (Journal article)
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.21592DOI: 10.1002/net.21592
Matheuristics for solving a multi-attribute collection problem for a charity organisation (Journal article)
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.2013.172DOI: 10.1057/jors.2013.172
2014
The fleet size and mix pollution-routing problem (Journal article)
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.2014.09.008DOI: 10.1016/j.trb.2014.09.008
Dynamic Vehicle Routing Problems (Chapter)
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 (Chapter)
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 (Journal article)
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.2013.12.033DOI: 10.1016/j.ejor.2013.12.033
CDN MODELING (Chapter)
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? (Journal article)
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.2013.07.038DOI: 10.1016/j.ejor.2013.07.038
Improving collection efficiency through remote monitoring of charity assets (Journal article)
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.2013.11.006DOI: 10.1016/j.wasman.2013.11.006
The bi-objective Pollution-Routing Problem (Journal article)
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.2013.08.002DOI: 10.1016/j.ejor.2013.08.002
A simheuristic algorithm for the Single-Period Stochastic Inventory-Routing Problem with stock-outs (Journal article)
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.2013.11.008DOI: 10.1016/j.simpat.2013.11.008
Modeling and optimizing the integrated problem of closed-loop supply chain network design and disassembly line balancing (Journal article)
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.2013.11.001DOI: 10.1016/j.tre.2013.11.001
Routing fleets with multiple driving ranges: Is it possible to use greener fleet configurations? (Journal article)
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.2014.03.012DOI: 10.1016/j.asoc.2014.03.012
2013
Dynamic Collection Scheduling Using Remote Asset Monitoring Case Study in the UK Charity Sector (Journal article)
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:10.3141/2378-07DOI: 10.3141/2378-07
Balancing Tour Durations in Routing a Vehicle Fleet (Conference Paper)
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 (Journal article)
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.2013.01.002DOI: 10.1016/j.jengtecman.2013.01.002
The time-dependent pollution-routing problem (Journal article)
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.2013.08.008DOI: 10.1016/j.trb.2013.08.008
2012
An adaptive large neighborhood search heuristic for the Pollution-Routing Problem (Journal article)
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.2012.06.044DOI: 10.1016/j.ejor.2012.06.044
Combining Monte Carlo simulation with heuristics for solving the Inventory Routing Problem with stochastic demands (Conference Paper)
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). IEEE. doi:10.1109/wsc.2012.6464999DOI: 10.1109/wsc.2012.6464999
CHP and its role in efficient energy production: a feasibility assessment model (Journal article)
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:10.1108/14777831211255123DOI: 10.1108/14777831211255123
AN EXTENDED LIFETIME MEASURE FOR TELECOMMUNICATIONS NETWORKS: IMPROVEMENTS AND IMPLEMENTATIONS (Journal article)
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.2012.8.639DOI: 10.3934/jimo.2012.8.639
Formulations and Benders decomposition algorithms for multidepot salesmen problems with load balancing (Journal article)
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.2011.07.020DOI: 10.1016/j.ejor.2011.07.020
Hybrid Algorithms for Service, Computing and Manufacturing Systems (Journal article)
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:10.4018/978-1-61350-086-6DOI: 10.4018/978-1-61350-086-6
The problem of olive mill wastewater in Turkey and some solution alternatives (Journal article)
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 (Chapter)
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.ch006DOI: 10.4018/978-1-61350-086-6.ch006
Practical feasibility and assessment model for combined heat and power (Journal article)
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:10.1108/17506221111146002DOI: 10.1108/17506221111146002
Look, here comes the library van! Optimising the timetable of the mobile library service on the Isle of Wight (Journal article)
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.2010.17DOI: 10.1057/ori.2010.17
A comparative analysis of several vehicle emission models for road freight transportation (Journal article)
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.2011.01.011DOI: 10.1016/j.trd.2011.01.011
Formulations and Branch-and-Cut Algorithms for the Generalized Vehicle Routing Problem (Journal article)
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.1100.0352DOI: 10.1287/trsc.1100.0352
Operational and environmental performance measures in a multi-product closed-loop supply chain (Journal article)
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.2010.12.001DOI: 10.1016/j.tre.2010.12.001
The Pollution-Routing Problem (Journal article)
Bektas, T., & Laporte, G. (2011). The Pollution-Routing Problem. TRANSPORTATION RESEARCH PART B-METHODOLOGICAL, 45(8), 1232-1250. doi:10.1016/j.trb.2011.02.004DOI: 10.1016/j.trb.2011.02.004
2010
Lagrangean-Based Decomposition Algorithms for Multicommodity Network Design Problems with Penalized Constraints (Journal article)
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.20362DOI: 10.1002/net.20362
Editorial (Journal article)
Bektas, T., & Laporte, G. (2010). Editorial. Journal of the Operational Research Society, 61(3), 502. doi:10.1057/jors.2009.159DOI: 10.1057/jors.2009.159
Minimizing greenhouse gas emissions in intermodal freight transport: an application to rail service design (Journal article)
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.2009.102DOI: 10.1057/jors.2009.102
2009
Cellular manufacturing systems design with routing flexibility, machine procurement, production planning and dynamic system reconfiguration (Journal article)
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:10.1080/00207540701581809DOI: 10.1080/00207540701581809
Integrated cellular manufacturing systems design with production planning and dynamic system reconfiguration (Journal article)
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.2007.09.023DOI: 10.1016/j.ejor.2007.09.023
Improving the performance of rail yards through dynamic reassignments of empty cars (Journal article)
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.2008.11.003DOI: 10.1016/j.trc.2008.11.003
2008
Exact algorithms for the joint object placement and request routing problem in content distribution networks (Journal article)
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.2007.02.005DOI: 10.1016/j.cor.2007.02.005
Mathematical Models for Resource Management and Allocation in CDNs (Chapter)
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 (Journal article)
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.2602490DOI: 10.1057/palgrave.jors.2602490
Lagrangean‐based solution approaches for the generalized problem of locating capacitated warehouses (Journal article)
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.xDOI: 10.1111/j.1475-3995.2007.00616.x
2007
Brief Overview of Intermodal Transportation (Chapter)
Gabriel Crainic, T., & Bektas, T. (2007). Brief Overview of Intermodal Transportation. In Logistics Engineering Handbook. CRC Press. doi:10.1201/9780849330537.ch28DOI: 10.1201/9780849330537.ch28
A Lagrangean relaxation and decomposition algorithm for the video placement and routing problem (Journal article)
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.2006.07.031DOI: 10.1016/j.ejor.2006.07.031
Designing cost-effective content distribution networks (Journal article)
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.2005.09.013DOI: 10.1016/j.cor.2005.09.013
Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique (Journal article)
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.45.3.175DOI: 10.3138/infor.45.3.175
Une heuristique de recherche avec tabous pour la conception de réseaux de distribution de contenu électronique (Journal article)
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.45.3.005DOI: 10.3138/infor.45.3.005
On separating cover inequalities for the multidimensional knapsack problem (Journal article)
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.2005.05.032DOI: 10.1016/j.cor.2005.05.032
Solving school bus routing problems through integer programming (Journal article)
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.2602305DOI: 10.1057/palgrave.jors.2602305
2006
Integer linear programming formulations of multiple salesman problems and its variations (Journal article)
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.2005.03.008DOI: 10.1016/j.ejor.2005.03.008
Simulation optimization based DSS application: A diamond tool production line in industry (Journal article)
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.2005.07.001DOI: 10.1016/j.simpat.2005.07.001
A novel optimization algorithm for video placement and routing (Journal article)
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.2006.02007DOI: 10.1109/LCOMM.2006.02007
The multiple traveling salesman problem: an overview of formulations and solution procedures (Journal article)
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.2004.10.004DOI: 10.1016/j.omega.2004.10.004
2005
Relationships between prosodic and musical meters in the <i>Beste</i> form of classical Turkish music (Journal article)
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.2005.0003DOI: 10.1353/amu.2005.0003
A pathway for process improvement activities in a production environment:: A case study in a rework department (Conference Paper)
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 (Conference Paper)
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 (Journal article)
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)00377-1DOI: 10.1016/S0377-2217(03)00377-1
