Challenges and opportunities in crowdsourced delivery planning and operations - an update - Martin W. P. Savelsbergh; Marlin W. Ulmer (Ann. Oper. Res., 2024)

Accelerating value function approximations for dynamic dial-a-ride problems via dimensionality reductions - R.-Julius O. Heitmann; Ninja Soeffker; Frank Klawonn; Marlin W. Ulmer; Dirk C. Mattfeld (Comput. Oper. Res., 2024)

Adaptive stochastic lookahead policies for dynamic multi-period purchasing and inventory routing - Daniel Cuellar-Usaquén; Marlin W. Ulmer; Camilo Gomez; David Álvarez-Martínez (Eur. J. Oper. Res., 2024)

Balancing resources for dynamic vehicle routing with stochastic customer requests - Ninja Soeffker; Marlin W. Ulmer; Dirk C. Mattfeld (OR Spectr., 2024)

Consistent routing for local same-day delivery via micro-hubs - Charlotte Ackva; Marlin W. Ulmer (OR Spectr., 2024)

Heatmap-Based Decision Support for Repositioning in Ride-Sharing Systems - Jarmo Haferkamp; Marlin W. Ulmer; Jan Fabian Ehmke (Transp. Sci., 2024)

Optimal Service Time Windows - Marlin W. Ulmer; Justin C. Goodson; Barrett W. Thomas (Transp. Sci., 2024)

Online Assignment of a Heterogeneous Fleet in Urban Delivery - Jeannette Anna Lena Hermanns; Dirk C. Mattfeld; Marlin W. Ulmer (Dynamics in Logistics - Proceedings of the 9th International Conference LDIC 2024, Bremen, Germany, 2024)

The Restaurant Meal Delivery Problem with Ghost Kitchens - Gal Neria; Florentin D. Hildebrandt; Michal Tzur; Marlin W. Ulmer (CoRR, 2024)

Learning State-Dependent Policy Parametrizations for Dynamic Technician Routing with Rework - Jonas Stein; Florentin D. Hildebrandt; Barrett W. Thomas; Marlin W. Ulmer (CoRR, 2024)

Opportunities for reinforcement learning in stochastic dynamic vehicle routing - Florentin D. Hildebrandt; Barrett W. Thomas; Marlin W. Ulmer (Comput. Oper. Res., 2023)

Combining value function approximation and multiple scenario approach for the effective management of ride-hailing services - R.-Julius O. Heitmann; Ninja Soeffker; Marlin W. Ulmer; Dirk C. Mattfeld (EURO J. Transp. Logist., 2023)

Same-day delivery with fair customer service - Xinwei Chen; Tong Wang; Barrett W. Thomas; Marlin W. Ulmer (Eur. J. Oper. Res., 2023)

Dynamic priority rules for combining on-demand passenger transportation and transportation of goods - Alexander Bosse; Marlin W. Ulmer; Emanuele Manni; Dirk C. Mattfeld (Eur. J. Oper. Res., 2023)

Robotized sorting systems: Large-scale scheduling under real-time conditions with limited lookahead - Nils Boysen; Stefan Schwerdfeger; Marlin W. Ulmer (Eur. J. Oper. Res., 2023)

Challenges and opportunities in crowdsourced delivery planning and operations - Martin W. P. Savelsbergh; Marlin W. Ulmer (4OR, 2022)

Stochastic dynamic vehicle routing in the light of prescriptive analytics: A review - Ninja Soeffker; Marlin W. Ulmer; Dirk C. Mattfeld (Eur. J. Oper. Res., 2022)

Deep Q-learning for same-day delivery with vehicles and drones - Xinwei Chen; Marlin W. Ulmer; Barrett W. Thomas (Eur. J. Oper. Res., 2022)

Preface: Special issue on the future of city logistics and urban mobility - Mor Kaspi; Tal Raviv; Marlin W. Ulmer (Networks, 2022)

Directions for future research on urban mobility and city logistics - Mor Kaspi; Tal Raviv; Marlin W. Ulmer (Networks, 2022)

Dynamic service area sizing in urban delivery - Marlin W. Ulmer; Alan L. Erera; Martin W. P. Savelsbergh (OR Spectr., 2022)

Supervised Learning for Arrival Time Estimations in Restaurant Meal Delivery - Florentin D. Hildebrandt; Marlin W. Ulmer (Transp. Sci., 2022)

Supplier Menus for Dynamic Matching in Peer-to-Peer Transportation Platforms - Rosemonde Ausseil; Jennifer A. Pazour; Marlin W. Ulmer (Transp. Sci., 2022)

Decision Support for Agri-Food Supply Chains in the E-Commerce Era: The Inbound Inventory Routing Problem with Perishable Products - Daniel Cuellar-Usaquén; Camilo Gomez; Marlin W. Ulmer; David Álvarez-Martínez (Metaheuristics - 14th International Conference, MIC 2022, Syracuse, Italy, July 11-14, 2022, Proceedings, 2022)

The Restaurant Meal Delivery Problem: Dynamic Pickup and Delivery with Deadlines and Random Ready Times - Marlin W. Ulmer; Barrett W. Thomas; Ann Melissa Campbell; Nicholas Woyak (Transp. Sci., 2021)

Where the Action is: Let's make Reinforcement Learning for Stochastic Dynamic Vehicle Routing Problems work! - Florentin D. Hildebrandt; Barrett W. Thomas; Marlin W. Ulmer (CoRR, 2021)

Horizontal combinations of online and offline approximate dynamic programming for stochastic dynamic vehicle routing - Marlin W. Ulmer (Central Eur. J. Oper. Res., 2020)

On modeling stochastic dynamic vehicle routing problems - Marlin W. Ulmer; Justin C. Goodson; Dirk C. Mattfeld; Barrett W. Thomas (EURO J. Transp. Logist., 2020)

Meso-parametric value function approximation for dynamic customer acceptances in delivery routing - Marlin W. Ulmer; Barrett W. Thomas (Eur. J. Oper. Res., 2020)

Binary driver-customer familiarity in service routing - Marlin W. Ulmer; Maciek Nowak; Dirk C. Mattfeld; Bogumil Kaminski (Eur. J. Oper. Res., 2020)

Building Trust in Home Services - Stochastic Team-Orienteering with Consistency Constraints - Yongjia Song; Marlin W. Ulmer; Barrett W. Thomas; Stein W. Wallace (Transp. Sci., 2020)

Dynamic Pricing and Routing for Same-Day Delivery - Marlin W. Ulmer (Transp. Sci., 2020)

Workforce Scheduling in the Era of Crowdsourced Delivery - Marlin W. Ulmer; Martin W. P. Savelsbergh (Transp. Sci., 2020)

Same-Day Delivery with Fairness - Xinwei Chen; Tong Wang; Barrett W. Thomas; Marlin W. Ulmer (CoRR, 2020)

Adaptive State Space Partitioning for Dynamic Decision Processes - Ninja Soeffker; Marlin W. Ulmer; Dirk C. Mattfeld (Bus. Inf. Syst. Eng., 2019)

Dynamic Lookahead Policies for Stochastic-Dynamic Inventory Routing in Bike Sharing Systems - Jan Brinkmann; Marlin W. Ulmer; Dirk C. Mattfeld (Comput. Oper. Res., 2019)

Same-Day delivery with pickup stations and autonomous vehicles - Marlin W. Ulmer; Sebastian Streng (Comput. Oper. Res., 2019)

Preemptive depot returns for dynamic same-day delivery - Marlin W. Ulmer; Barrett W. Thomas; Dirk C. Mattfeld (EURO J. Transp. Logist., 2019)

Anticipation versus reactive reoptimization for dynamic vehicle routing with stochastic requests - Marlin W. Ulmer (Networks, 2019)

Offline-Online Approximate Dynamic Programming for Dynamic Vehicle Routing with Stochastic Requests - Marlin W. Ulmer; Justin C. Goodson; Dirk C. Mattfeld; Marco Hennig (Transp. Sci., 2019)

Enough Waiting for the Cable Guy - Estimating Arrival Times for Service Vehicle Routing - Marlin W. Ulmer; Barrett W. Thomas (Transp. Sci., 2019)

Deep Q-Learning for Same-Day Delivery with a Heterogeneous Fleet of Vehicles and Drones - Xinwei Chen; Marlin W. Ulmer; Barrett W. Thomas (CoRR, 2019)

Value function approximation for dynamic multi-period vehicle routing - Marlin W. Ulmer; Ninja Soeffker; Dirk C. Mattfeld (Eur. J. Oper. Res., 2018)

Same-day delivery with heterogeneous fleets of drones and vehicles - Marlin W. Ulmer; Barrett W. Thomas (Networks, 2018)

Budgeting Time for Dynamic Vehicle Routing with Stochastic Customer Requests - Marlin W. Ulmer; Dirk C. Mattfeld; Felix Köster (Transp. Sci., 2018)

On the Value and Challenge of Real-Time Information in Dynamic Dispatching of Service Vehicles - Marlin W. Ulmer; Leonard Heilig; Stefan Voß (Bus. Inf. Syst. Eng., 2017)

Delivery Deadlines in Same-Day Delivery - Marlin W. Ulmer (Logist. Res., 2017)

Anticipation in Dynamic Vehicle Routing - Marlin W. Ulmer (Operations Research Proceedings 2017, Selected Papers of the Annual International Conference of the German Operations Research Society (GOR), Freie Universiät Berlin, Germany, September 6-8, 2017, 2017)

Risk-Averse Anticipation for Dynamic Vehicle Routing - Marlin W. Ulmer; Stefan Voß (Learning and Intelligent Optimization - 10th International Conference, LION 10, Ischia, Italy, May 29 - June 1, 2016, Revised Selected Papers, 2016)

Problem-Specific State Space Partitioning for Dynamic Vehicle Routing Problems - Ninja Soeffker; Marlin W. Ulmer; Dirk C. Mattfeld (Multikonferenz Wirtschaftsinformatik, MKWI 2016, Ilmenau, Germany, March 9-11, 2016, 3 Volumes, 2016)