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ORCIDBarrett W. Thomas
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2020 – today
- 2024
[j53]Marlin W. Ulmer
, Justin C. Goodson, Barrett W. Thomas:
Optimal Service Time Windows. Transp. Sci. 58(2): 394-411 (2024)- [i6]Sadjad Anzabi Zadeh, W. Nick Street, Barrett W. Thomas:
An Explainable Deep Reinforcement Learning Model for Warfarin Maintenance Dosing Using Policy Distillation and Action Forging. CoRR abs/2404.17187 (2024) - [i5]Jonas Stein, Florentin D. Hildebrandt, Barrett W. Thomas, Marlin W. Ulmer:
Learning State-Dependent Policy Parametrizations for Dynamic Technician Routing with Rework. CoRR abs/2409.01815 (2024) - 2023
- [j52]Fahrettin Cakir, Barrett W. Thomas, W. Nick Street:
Rollout-based routing strategies with embedded prediction: A fish trawling application. Comput. Oper. Res. 150: 106055 (2023) - [j51]Florentin D. Hildebrandt, Barrett W. Thomas, Marlin W. Ulmer:
Opportunities for reinforcement learning in stochastic dynamic vehicle routing. Comput. Oper. Res. 150: 106071 (2023) - [j50]Xinwei Chen, Tong Wang, Barrett W. Thomas, Marlin W. Ulmer:
Same-day delivery with fair customer service. Eur. J. Oper. Res. 308(2): 738-751 (2023) - [j49]Sadjad Anzabi Zadeh, W. Nick Street, Barrett W. Thomas:
Optimizing warfarin dosing using deep reinforcement learning. J. Biomed. Informatics 137: 104267 (2023) - [j48]Karen R. Smilowitz, Jean-François Cordeau, Barrett W. Thomas, David Pisinger, Yafeng Yin, Ann M. Campbell:
Special Issue on Emerging Topics in Transportation Science and Logistics. Transp. Sci. 57(4): 839-842 (2023) - 2022
- [j47]Xinwei Chen, Marlin W. Ulmer, Barrett W. Thomas:
Deep Q-learning for same-day delivery with vehicles and drones. Eur. J. Oper. Res. 298(3): 939-952 (2022) - [j46]Sara Reed, Ann Melissa Campbell, Barrett W. Thomas:
The Value of Autonomous Vehicles for Last-Mile Deliveries in Urban Environments. Manag. Sci. 68(1): 280-299 (2022) - [j45]Sara Reed, Ann Melissa Campbell, Barrett W. Thomas:
Impact of Autonomous Vehicle Assisted Last-Mile Delivery in Urban to Rural Settings. Transp. Sci. 56(6): 1530-1548 (2022) - [i4]Sadjad Anzabi Zadeh, W. Nick Street, Barrett W. Thomas:
Optimizing Warfarin Dosing using Deep Reinforcement Learning. CoRR abs/2202.03486 (2022) - 2021
- [j44]Silviya Valeva, Mike Hewitt, Barrett W. Thomas:
Managing uncertainty in demand through inventory and workforce development. Int. J. Prod. Res. 59(21): 6507-6527 (2021) - [j43]Niels A. H. Agatz, Mike Hewitt, Barrett W. Thomas:
"Make no little plans": Impactful research to solve the next generation of transportation problems. Networks 77(2): 269-286 (2021) - [j42]Marlin W. Ulmer, Barrett W. Thomas, Ann Melissa Campbell, Nicholas Woyak:
The Restaurant Meal Delivery Problem: Dynamic Pickup and Delivery with Deadlines and Random Ready Times. Transp. Sci. 55(1): 75-100 (2021) - [i3]Florentin D. Hildebrandt, Barrett W. Thomas, Marlin W. Ulmer:
Where the Action is: Let's make Reinforcement Learning for Stochastic Dynamic Vehicle Routing Problems work! CoRR abs/2103.00507 (2021) - 2020
- [j41]Marlin W. Ulmer, Justin C. Goodson, Dirk C. Mattfeld, Barrett W. Thomas:
On modeling stochastic dynamic vehicle routing problems. EURO J. Transp. Logist. 9(2): 100008 (2020) - [j40]Shu Zhang, Jeffrey W. Ohlmann, Barrett W. Thomas:
Multi-period orienteering with uncertain adoption likelihood and waiting at customers. Eur. J. Oper. Res. 282(1): 288-303 (2020) - [j39]Marlin W. Ulmer, Barrett W. Thomas:
Meso-parametric value function approximation for dynamic customer acceptances in delivery routing. Eur. J. Oper. Res. 285(1): 183-195 (2020) - [j38]Yongjia Song, Marlin W. Ulmer, Barrett W. Thomas, Stein W. Wallace:
Building Trust in Home Services - Stochastic Team-Orienteering with Consistency Constraints. Transp. Sci. 54(3): 823-838 (2020) - [i2]Xinwei Chen, Tong Wang, Barrett W. Thomas, Marlin W. Ulmer:
Same-Day Delivery with Fairness. CoRR abs/2007.09541 (2020)
2010 – 2019
- 2019
- [j37]Marlin W. Ulmer, Barrett W. Thomas, Dirk C. Mattfeld:
Preemptive depot returns for dynamic same-day delivery. EURO J. Transp. Logist. 8(4): 327-361 (2019) - [j36]Barrett W. Thomas, Tobia Calogiuri, Mike Hewitt:
An exact bidirectional A⋆ approach for solving resource-constrained shortest path problems. Networks 73(2): 187-205 (2019) - [j35]Huan Jin, Barrett W. Thomas:
Team orienteering with uncertain rewards and service times with an application to phlebotomist intrahospital routing. Networks 73(4): 453-465 (2019) - [j34]Stacy A. Voccia, Ann Melissa Campbell, Barrett W. Thomas:
The Same-Day Delivery Problem for Online Purchases. Transp. Sci. 53(1): 167-184 (2019) - [j33]Marlin W. Ulmer, Barrett W. Thomas:
Enough Waiting for the Cable Guy - Estimating Arrival Times for Service Vehicle Routing. Transp. Sci. 53(3): 897-916 (2019) - [i1]Xinwei Chen, Marlin W. Ulmer, Barrett W. Thomas:
Deep Q-Learning for Same-Day Delivery with a Heterogeneous Fleet of Vehicles and Drones. CoRR abs/1910.11901 (2019) - 2018
- [j32]Huan Jin, Mike Hewitt, Barrett W. Thomas:
Workforce grouping and assignment with learning-by-doing and knowledge transfer. Int. J. Prod. Res. 56(14): 4968-4982 (2018) - [j31]Marlin W. Ulmer, Barrett W. Thomas:
Same-day delivery with heterogeneous fleets of drones and vehicles. Networks 72(4): 475-505 (2018) - [j30]Mike Hewitt, Barrett W. Thomas:
Special Issue on Uncertainty in Logistics and Transportation Systems. Transp. Sci. 52(1): 1-2 (2018) - [j29]Shu Zhang, Jeffrey W. Ohlmann, Barrett W. Thomas:
Dynamic Orienteering on a Network of Queues. Transp. Sci. 52(3): 691-706 (2018) - 2017
- [j28]Xi Chen, Barrett W. Thomas, Mike Hewitt:
Multi-period technician scheduling with experience-based service times and stochastic customers. Comput. Oper. Res. 82: 1-14 (2017) - [j27]Justin C. Goodson, Barrett W. Thomas, Jeffrey W. Ohlmann:
A rollout algorithm framework for heuristic solutions to finite-horizon stochastic dynamic programs. Eur. J. Oper. Res. 258(1): 216-229 (2017) - [j26]Silviya Valeva, Mike Hewitt, Barrett W. Thomas:
A matheuristic for workforce planning with employee learning and stochastic demand. Int. J. Prod. Res. 55(24): 7380-7397 (2017) - [j25]Kamal Lamsal, Philip C. Jones, Barrett W. Thomas:
Sugarcane Harvest Logistics in Brazil. Transp. Sci. 51(2): 771-789 (2017) - 2016
- [j24]Kamal Lamsal, Philip C. Jones, Barrett W. Thomas:
Harvest logistics in agricultural systems with multiple, independent producers and no on-farm storage. Comput. Ind. Eng. 91: 129-138 (2016) - [j23]Huan Jin, Barrett W. Thomas, Mike Hewitt:
Integer programming techniques for makespan minimizing workforce assignment models that recognize human learning. Comput. Ind. Eng. 97: 202-211 (2016) - [j22]Jan Fabian Ehmke, Ann Melissa Campbell, Barrett W. Thomas:
Data-driven approaches for emissions-minimized paths in urban areas. Comput. Oper. Res. 67: 34-47 (2016) - [j21]Jan Fabian Ehmke, Ann Melissa Campbell, Barrett W. Thomas:
Vehicle routing to minimize time-dependent emissions in urban areas. Eur. J. Oper. Res. 251(2): 478-494 (2016) - [j20]Justin C. Goodson, Barrett W. Thomas, Jeffrey W. Ohlmann:
Restocking-Based Rollout Policies for the Vehicle Routing Problem with Stochastic Demand and Duration Limits. Transp. Sci. 50(2): 591-607 (2016) - 2015
- [j19]Mike Hewitt, Austin Chacosky, Scott E. Grasman, Barrett W. Thomas:
Integer programming techniques for solving non-linear workforce planning models with learning. Eur. J. Oper. Res. 242(3): 942-950 (2015) - 2014
- [j18]Barrett W. Thomas, Emanuele Manni:
Scheduled penalty Variable Neighborhood Search. Comput. Oper. Res. 52: 170-180 (2014) - [j17]Shu Zhang, Jeffrey W. Ohlmann, Barrett W. Thomas:
A priori orienteering with time windows and stochastic wait times at customers. Eur. J. Oper. Res. 239(1): 70-79 (2014) - 2013
- [j16]Manuel López-Ibáñez, Christian Blum, Jeffrey W. Ohlmann, Barrett W. Thomas:
The travelling salesman problem with time windows: Adapting algorithms from travel-time to makespan optimization. Appl. Soft Comput. 13(9): 3806-3815 (2013) - [j15]Stacy A. Voccia, Ann M. Campbell, Barrett W. Thomas:
The probabilistic traveling salesman problem with time windows. EURO J. Transp. Logist. 2(1-2): 89-107 (2013) - [j14]Justin C. Goodson, Jeffrey W. Ohlmann, Barrett W. Thomas:
Rollout Policies for Dynamic Solutions to the Multivehicle Routing Problem with Stochastic Demand and Duration Limits. Oper. Res. 61(1): 138-154 (2013) - 2012
- [j13]Hui Chen, Ann Melissa Campbell, Barrett W. Thomas:
Network design for time-constrained delivery using subgraphs. Comput. Manag. Sci. 9(4): 531-542 (2012) - [j12]Justin C. Goodson, Jeffrey W. Ohlmann, Barrett W. Thomas:
Cyclic-order neighborhoods with application to the vehicle routing problem with stochastic demand. Eur. J. Oper. Res. 217(2): 312-323 (2012) - [j11]Gianpaolo Ghiani, Emanuele Manni, Barrett W. Thomas:
A Comparison of Anticipatory Algorithms for the Dynamic and Stochastic Traveling Salesman Problem. Transp. Sci. 46(3): 374-387 (2012) - 2011
- [j10]Ann Melissa Campbell, Michel Gendreau, Barrett W. Thomas:
The orienteering problem with stochastic travel and service times. Ann. Oper. Res. 186(1): 61-81 (2011)
2000 – 2009
- 2009
- [j9]Ann Melissa Campbell, Barrett W. Thomas:
Runtime reduction techniques for the probabilistic traveling salesman problem with deadlines. Comput. Oper. Res. 36(4): 1231-1248 (2009) - [j8]Thaddeus Sim, Timothy J. Lowe, Barrett W. Thomas:
The stochastic p-hub center problem with service-level constraints. Comput. Oper. Res. 36(12): 3166-3177 (2009) - [j7]Hui Chen, Ann Melissa Campbell, Barrett W. Thomas, Arie Tamir:
Minimax flow tree problems. Networks 54(3): 117-129 (2009) - 2008
- [j6]Ann Melissa Campbell, Barrett W. Thomas:
Probabilistic Traveling Salesman Problem with Deadlines. Transp. Sci. 42(1): 1-21 (2008) - [j5]Jeffrey W. Ohlmann, Michael J. Fry, Barrett W. Thomas:
Route Design for Lean Production Systems. Transp. Sci. 42(3): 352-370 (2008) - 2007
- [j4]Barrett W. Thomas, Chelsea C. White III:
The dynamic shortest path problem with anticipation. Eur. J. Oper. Res. 176(2): 836-854 (2007) - [j3]Jeffrey W. Ohlmann, Barrett W. Thomas:
A Compressed-Annealing Heuristic for the Traveling Salesman Problem with Time Windows. INFORMS J. Comput. 19(1): 80-90 (2007) - [j2]Barrett W. Thomas:
Waiting Strategies for Anticipating Service Requests from Known Customer Locations. Transp. Sci. 41(3): 319-331 (2007) - 2004
- [j1]Barrett W. Thomas, Chelsea C. White III:
Anticipatory Route Selection. Transp. Sci. 38(4): 473-487 (2004)
Coauthor Index
aka: Ann Melissa Campbell
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