1 code implementation • 6 Mar 2023 • Youngseo Kim, Danushka Edirimanna, Michael Wilbur, Philip Pugliese, Aron Laszka, Abhishek Dubey, Samitha Samaranayake
In smaller problem instances, the baseline approach is as competitive as our framework.
1 code implementation • 25 Apr 2022 • Amutheezan Sivagnanam, Salah Uddin Kadir, Ayan Mukhopadhyay, Philip Pugliese, Abhishek Dubey, Samitha Samaranayake, Aron Laszka
Vehicle routing problems (VRPs) can be divided into two major categories: offline VRPs, which consider a given set of trip requests to be served, and online VRPs, which consider requests as they arrive in real-time.
no code implementations • 28 Mar 2022 • Michael Wilbur, Salah Uddin Kadir, Youngseo Kim, Geoffrey Pettet, Ayan Mukhopadhyay, Philip Pugliese, Samitha Samaranayake, Aron Laszka, Abhishek Dubey
Accounting for stochastic requests while optimizing a non-myopic utility function is computationally challenging; indeed, the action space for such a problem is intractably large in practice.
no code implementations • 17 Mar 2022 • Qi Luo, Ryan Weightman, Sean T. McQuade, Mateo Diaz, Emmanuel Trélat, William Barbour, Dan Work, Samitha Samaranayake, Benedetto Piccoli
During the Covid-19 pandemic a key role is played by vaccination to combat the virus.
no code implementations • 28 Dec 2021 • Yang Liu, Qi Luo, Raga Gopalakrishnan, Samitha Samaranayake
Mobility-on-Demand (MoD) systems have become a fixture in urban transportation networks, with the rapid growth of ride-hailing services such as Uber and Lyft.
no code implementations • 13 May 2021 • Matthew Junge, Sheng Li, Samitha Samaranayake, Matthew Zalesak
We construct an agent-based SEIR model to simulate COVID-19 spread at a 16000-student mostly non-residential urban university during the Fall 2021 Semester.
no code implementations • 25 Apr 2021 • Motahare Mounesan, Vindula Jayawardana, Yaocheng Wu, Samitha Samaranayake, Huy T. Vo
To the best of our knowledge, STaRS+ is the first study on the RPMP that can solve large-scale instances on the order of the entire NYC metro area.
2 code implementations • 10 Mar 2021 • Siddhartha Banerjee, Chamsi Hssaine, Noémie Périvier, Samitha Samaranayake
We study real-time routing policies in smart transit systems, where the platform has a combination of cars and high-capacity vehicles (e. g., buses or shuttles) and seeks to serve a set of incoming trip requests.
Optimization and Control
no code implementations • 11 Nov 2020 • Matthew Zalesak, Samitha Samaranayake
We introduce a Python package for modeling and studying the spread of infectious diseases using an agent-based SEIR style epidemiological model with a focus on university campuses.
2 code implementations • 19 Aug 2014 • Mehrdad Niknami, Samitha Samaranayake
Our secondary contribution is the extension of policy-based preprocessing to path-based preprocessing for the SOTA problem.
Data Structures and Algorithms 68W99 G.2.2