Marlin W. Ulmer

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 45

Top Topics

Stochastic Dynamic

Decision Process

Vehicle Routing

Space Partitioning

Top Venues

Eur. J. Oper. Res.

Comput. Oper. Res.

Publications

Marlin W. Ulmer, Justin C. Goodson, Barrett W. Thomas
Optimal Service Time Windows. Transp. Sci. 58 (2) (2024)
Jarmo Haferkamp, Marlin W. Ulmer, Jan Fabian Ehmke
Heatmap-Based Decision Support for Repositioning in Ride-Sharing Systems. Transp. Sci. 58 (1) (2024)
Ninja Soeffker, Marlin W. Ulmer, Dirk C. Mattfeld
Balancing resources for dynamic vehicle routing with stochastic customer requests. OR Spectr. 46 (2) (2024)
Charlotte Ackva, Marlin W. Ulmer
Consistent routing for local same-day delivery via micro-hubs. OR Spectr. 46 (2) (2024)
Daniel Cuellar-Usaquén, Marlin W. Ulmer, Camilo Gomez, David Álvarez-Martínez
Adaptive stochastic lookahead policies for dynamic multi-period purchasing and inventory routing. Eur. J. Oper. Res. 318 (3) (2024)
R.-Julius O. Heitmann, Ninja Soeffker, Frank Klawonn, Marlin W. Ulmer, Dirk C. Mattfeld
Accelerating value function approximations for dynamic dial-a-ride problems via dimensionality reductions. Comput. Oper. Res. 167 (2024)
Nils Boysen, Stefan Schwerdfeger, Marlin W. Ulmer
Robotized sorting systems: Large-scale scheduling under real-time conditions with limited lookahead. Eur. J. Oper. Res. 310 (2) (2023)
R.-Julius O. Heitmann, Ninja Soeffker, Marlin W. Ulmer, Dirk C. Mattfeld
Combining value function approximation and multiple scenario approach for the effective management of ride-hailing services. EURO J. Transp. Logist. 12 (2023)
Xinwei Chen, Tong Wang, Barrett W. Thomas, Marlin W. Ulmer
Same-day delivery with fair customer service. Eur. J. Oper. Res. 308 (2) (2023)
Alexander Bosse, Marlin W. Ulmer, Emanuele Manni, Dirk C. Mattfeld
Dynamic priority rules for combining on-demand passenger transportation and transportation of goods. Eur. J. Oper. Res. 309 (1) (2023)
Florentin D. Hildebrandt, Barrett W. Thomas, Marlin W. Ulmer
Opportunities for reinforcement learning in stochastic dynamic vehicle routing. Comput. Oper. Res. 150 (2023)
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) (2022)
Florentin D. Hildebrandt, Marlin W. Ulmer
Supervised Learning for Arrival Time Estimations in Restaurant Meal Delivery. Transp. Sci. 56 (4) (2022)
Ninja Soeffker, Marlin W. Ulmer, Dirk C. Mattfeld
Stochastic dynamic vehicle routing in the light of prescriptive analytics: A review. Eur. J. Oper. Res. 298 (3) (2022)
Mor Kaspi, Tal Raviv, Marlin W. Ulmer
Preface: Special issue on the future of city logistics and urban mobility. Networks 79 (3) (2022)
Mor Kaspi, Tal Raviv, Marlin W. Ulmer
Directions for future research on urban mobility and city logistics. Networks 79 (3) (2022)
Marlin W. Ulmer, Alan L. Erera, Martin W. P. Savelsbergh
Dynamic service area sizing in urban delivery. OR Spectr. 44 (3) (2022)
Martin W. P. Savelsbergh, Marlin W. Ulmer
Challenges and opportunities in crowdsourced delivery planning and operations. 4OR 20 (1) (2022)
Rosemonde Ausseil, Jennifer A. Pazour, Marlin W. Ulmer
Supplier Menus for Dynamic Matching in Peer-to-Peer Transportation Platforms. Transp. Sci. 56 (5) (2022)
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 (2021)
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) (2021)
Marlin W. Ulmer
Horizontal combinations of online and offline approximate dynamic programming for stochastic dynamic vehicle routing. Central Eur. J. Oper. Res. 28 (1) (2020)
Marlin W. Ulmer, Maciek Nowak, Dirk C. Mattfeld, Bogumil Kaminski
Binary driver-customer familiarity in service routing. Eur. J. Oper. Res. 286 (2) (2020)
Marlin W. Ulmer, Martin W. P. Savelsbergh
Workforce Scheduling in the Era of Crowdsourced Delivery. Transp. Sci. 54 (4) (2020)
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) (2020)
Xinwei Chen, Tong Wang, Barrett W. Thomas, Marlin W. Ulmer
Same-Day Delivery with Fairness. CoRR (2020)
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) (2020)
Marlin W. Ulmer, Barrett W. Thomas
Meso-parametric value function approximation for dynamic customer acceptances in delivery routing. Eur. J. Oper. Res. 285 (1) (2020)
Marlin W. Ulmer
Dynamic Pricing and Routing for Same-Day Delivery. Transp. Sci. 54 (4) (2020)
Xinwei Chen, Marlin W. Ulmer, Barrett W. Thomas
Deep Q-Learning for Same-Day Delivery with a Heterogeneous Fleet of Vehicles and Drones. CoRR (2019)
Marlin W. Ulmer, Barrett W. Thomas, Dirk C. Mattfeld
Preemptive depot returns for dynamic same-day delivery. EURO J. Transp. Logist. 8 (4) (2019)
Marlin W. Ulmer, Barrett W. Thomas
Enough Waiting for the Cable Guy - Estimating Arrival Times for Service Vehicle Routing. Transp. Sci. 53 (3) (2019)
Ninja Soeffker, Marlin W. Ulmer, Dirk C. Mattfeld
Adaptive State Space Partitioning for Dynamic Decision Processes. Bus. Inf. Syst. Eng. 61 (3) (2019)
Jan Brinkmann, Marlin W. Ulmer, Dirk C. Mattfeld
Dynamic Lookahead Policies for Stochastic-Dynamic Inventory Routing in Bike Sharing Systems. Comput. Oper. Res. 106 (2019)
Marlin W. Ulmer, Justin C. Goodson, Dirk C. Mattfeld, Marco Hennig
Offline-Online Approximate Dynamic Programming for Dynamic Vehicle Routing with Stochastic Requests. Transp. Sci. 53 (1) (2019)
Marlin W. Ulmer, Sebastian Streng
Same-Day delivery with pickup stations and autonomous vehicles. Comput. Oper. Res. 108 (2019)
Marlin W. Ulmer
Anticipation versus reactive reoptimization for dynamic vehicle routing with stochastic requests. Networks 73 (3) (2019)
Marlin W. Ulmer, Dirk C. Mattfeld, Felix Köster
Budgeting Time for Dynamic Vehicle Routing with Stochastic Customer Requests. Transp. Sci. 52 (1) (2018)
Marlin W. Ulmer, Ninja Soeffker, Dirk C. Mattfeld
Value function approximation for dynamic multi-period vehicle routing. Eur. J. Oper. Res. 269 (3) (2018)
Marlin W. Ulmer, Barrett W. Thomas
Same-day delivery with heterogeneous fleets of drones and vehicles. Networks 72 (4) (2018)
Marlin W. Ulmer
Anticipation in Dynamic Vehicle Routing. OR (2017)
Marlin W. Ulmer
Delivery Deadlines in Same-Day Delivery. Logist. Res. 10 (1) (2017)
Marlin W. Ulmer, Leonard Heilig, Stefan Voß
On the Value and Challenge of Real-Time Information in Dynamic Dispatching of Service Vehicles. Bus. Inf. Syst. Eng. 59 (3) (2017)
Marlin W. Ulmer, Stefan Voß
Risk-Averse Anticipation for Dynamic Vehicle Routing. LION (2016)
Ninja Soeffker, Marlin W. Ulmer, Dirk C. Mattfeld
Problem-Specific State Space Partitioning for Dynamic Vehicle Routing Problems. MKWI (2016)