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We present a probabilistic proactive rebalancing method and speed-up techniques for improving the performance of a state-of-the-art real-time high-capacity fleet management framework [1]. We improve on both computational efficiency and…

Systems and Control · Computer Science 2019-08-19 Yang Liu , Samitha Samaranayake

Many public transportation systems are unable to keep up with growing passenger demand as the population grows in urban areas. The slow or lack of improvements for public transportation pushes people to use private transportation modes,…

Data Structures and Algorithms · Computer Science 2021-09-15 Qian-Ping Gu , Jiajian Leo Liang

Large-scale ride-sharing systems combine real-time dispatching and routing optimization over a rolling time horizon with a model predictive control (MPC) component that relocates idle vehicles to anticipate the demand. The MPC optimization…

Artificial Intelligence · Computer Science 2021-07-22 Enpeng Yuan , Pascal Van Hentenryck

The problem of mobile sequential recommendation is presented to suggest a route connecting some pick-up points for a taxi driver so that he/she is more likely to get passengers with less travel cost. Essentially, a key challenge of this…

Data Structures and Algorithms · Computer Science 2013-04-09 Jianbin Huang , Xuejun Huangfu , Heli Sun , Hong Cheng , Qinbao Song

Over the past few years, ride-sharing has emerged as an effective way to relieve traffic congestion. A key problem for these platforms is to come up with a revenue-optimal (or GMV-optimal) pricing scheme and an induced vehicle dispatching…

Systems and Control · Computer Science 2018-03-02 Mengjing Chen , Weiran Shen , Pingzhong Tang , Song Zuo

Shared mobility-on-demand services are expanding rapidly in cities around the world. As a prominent example, app-based ridesourcing is becoming an integral part of many urban transportation ecosystems. Despite the centrality, limited public…

Computers and Society · Computer Science 2020-11-02 J Soria , Y Chen , A Stathopoulos

Efficient inference of Convolutional Neural Networks is a thriving topic recently. It is desirable to achieve the maximal test accuracy under given inference budget constraints when deploying a pre-trained model. Network pruning is a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Ruizhe Zhao , Wayne Luk

Ride-sharing on the daily home-work-home commute can help individuals save on gasoline and other car-related costs, while at the same time it can reduce traffic and pollution. This paper assesses the potential of ride-sharing for reducing…

Computers and Society · Computer Science 2014-03-24 Blerim Cici , Athina Markopoulou , Enrique Frías-Martínez , Nikolaos Laoutaris

Shared rides are often considered to be a promising travel alternative that could efficiently pool people together while offering a door-to-door service. Notwithstanding, even though demand distribution patterns are expected to greatly…

Physics and Society · Physics 2024-09-17 Jaime Soza-Parra , Rafał Kucharski , Oded Cats

Accurately predicting the real-life performance of algorithms solving the Dial-a-Ride Problem (DARP) in the context of Mobility on Demand (MoD) systems with ridesharing requires evaluating them on representative instances. However, the…

Artificial Intelligence · Computer Science 2023-05-31 David Fiedler , Jan Mrkos

We propose an algorithmic framework for efficient anytime motion planning on large dense geometric roadmaps, in domains where collision checks and therefore edge evaluations are computationally expensive. A large dense roadmap (graph) can…

This paper considers the vehicle routing problem with stochastic demands (VRPSD) under optimal restocking. We develop an exact algorithm that is effective for solving instances with many vehicles and few customers per route. In our…

Optimization and Control · Mathematics 2018-06-25 Alexandre Florio , Richard Hartl , Stefan Minner

Due to the advances in mobile computing and multimedia techniques, there are vast amount of multimedia data with geographical information collected in multifarious applications. In this paper, we propose a novel type of image search named…

Multimedia · Computer Science 2018-06-05 Jun Long , Lei Zhu , Chengyuan Zhang , Zhan Yang , Yunwu Lin , Ruipeng Chen

For solving problems from the domain of Mobility-on-Demand (MoD), we often need to connect vehicle plans into plans spanning longer time, a process we call plan chaining. As we show in this work, chaining of the plans can be used to reduce…

Optimization and Control · Mathematics 2024-02-27 David Fiedler , Fabio V. Difonzo , Jan Mrkos

The paper addresses the Vehicle Relocation Problem in free-floating car-sharing services by presenting a solution focused on strategies for repositioning vehicles and transferring personnel with the use of scooters. Our method begins by…

Machine Learning · Computer Science 2025-11-12 Piotr Szwed , Paweł Skrzynski , Jarosław Wąs

The ridesharing problem is that given a set of trips, each trip consists of an individual, a vehicle of the individual and some requirements, select a subset of trips and use the vehicles of selected trips to deliver all individuals to…

Data Structures and Algorithms · Computer Science 2021-06-01 Qian-Ping Gu , Jiajian Leo Liang , Guochuan Zhang

Tensor program tuning is essential for the efficient deployment of deep neural networks. Search-based approaches have demonstrated scalability and effectiveness in automatically finding high-performance programs for specific hardware.…

Machine Learning · Computer Science 2025-04-10 Liang Qiao , Jun Shi , Xiaoyu Hao , Xi Fang , Sen Zhang , Minfan Zhao , Ziqi Zhu , Junshi Chen , Hong An , Xulong Tang , Bing Li , Honghui Yuan , Xinyang Wang

Machine learning algorithms are very sensitive to the hyperparameters, and their evaluations are generally expensive. Users desperately need intelligent methods to quickly optimize hyperparameter settings according to known evaluation…

Machine Learning · Computer Science 2020-05-05 Chunnan Wang , Hongzhi Wang , Chang Zhou , Hanxiao Chen

Visual Place Recognition (VPR) is fundamental for the global re-localization of robots and devices, enabling them to recognize previously visited locations based on visual inputs. This capability is crucial for maintaining accurate mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Oliver Grainge , Michael Milford , Indu Bodala , Sarvapali D. Ramchurn , Shoaib Ehsan

We propose a novel framework for the recommendation of swarm-based drone delivery services based on the consumers preferences. We propose a density-based pruning approach that uses the concept of partnerships with charging station providers…

Robotics · Computer Science 2022-06-10 Balsam Alkouz , Athman Bouguettaya , Abdallah Lakhdari