11 citations · 16 across the 3 of their papers we have counts for
3 papers
math.OC2026
Traveling Salesman Tardiness
Haoyue Liu, Sheng Liu
How fragile is the routing time window of delivery systems against spatial distributional uncertainty? We study the tardiness risk of Traveling Salesman Problem (TSP) solutions wit…
math.OC2021★ 11 cited
On-Demand Delivery from Stores: Dynamic Dispatching and Routing with Random Demand
Sheng Liu, Zhixing Luo
On-demand delivery has become increasingly popular around the world. Motivated by a large grocery chain store who offers fast on-demand delivery services, we model and solve a stoc…
cs.AI2020★ 5 cited
Urban Bike Lane Planning with Bike Trajectories: Models, Algorithms, and a Real-World Case Study
Sheng Liu, Zuo-Jun Max Shen, Xiang Ji
We study an urban bike lane planning problem based on the fine-grained bike trajectory data, which is made available by smart city infrastructure such as bike-sharing systems. The…