Search Results for author: David Fiedler

Found 4 papers, 1 papers with code

Optimal Chaining of Vehicle Plans with Time Windows

no code implementations5 Jan 2024 David Fiedler, Fabio V. Difonzo, Jan Mrkos

The method does not consider the time flexibility of the plans.

Large-scale Ridesharing DARP Instances Based on Real Travel Demand

1 code implementation30 May 2023 David Fiedler, Jan Mrkos

With the rise of large MoD systems and the availability of open travel demand datasets for many US cities, there is now an opportunity to evaluate these algorithms on standardized, realistic, and representative instances.

Benchmarking

Large-scale Online Ridesharing: The Effect of Assignment Optimality on System Performance

no code implementations7 Apr 2023 David Fiedler, Michal Čertický, Javier Alonso-Mora, Michal Pěchouček, Michal Čáp

We found that the system that uses optimal ridesharing assignments subject to the maximum travel delay of 4 minutes reduces the vehicle distance driven by 57 % compared to an MoD system without ridesharing.

Map Matching Algorithm for Large-scale Datasets

no code implementations12 Sep 2019 David Fiedler, Michal Čáp, Jan Nykl, Pavol Žilecký, Martin Schaefer

The goal of map matching is to infer the trajectory that the device followed in a road network from a potentially sparse series of noisy location measurements.

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