Credit assignment for collective multiagent RL with global rewards

DT Nguyen, A Kumar, HC Lau - Advances in neural …, 2018 - proceedings.neurips.cc
Scaling decision theoretic planning to large multiagent systems is challenging due to
uncertainty and partial observability in the environment. We focus on a multiagent planning …

Multi-marginal optimal transport and probabilistic graphical models

I Haasler, R Singh, Q Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We study multi-marginal optimal transport problems from a probabilistic graphical model
perspective. We point out an elegant connection between the two when the underlying cost …

BirdFlow: Learning seasonal bird movements from eBird data

M Fuentes, BM Van Doren, D Fink… - Methods in Ecology …, 2023 - Wiley Online Library
Large‐scale monitoring of seasonal animal movement is integral to science, conservation
and outreach. However, gathering representative movement data across entire species …

[PDF][PDF] A fast and accurate method for estimating people flow from spatiotemporal population data.

Y Akagi, T Nishimura, T Kurashima, H Toda - IJCAI, 2018 - ijcai.org
Real-time spatiotemporal population data is attracting a great deal of attention for
understanding crowd movements in cities. The data is the aggregation of personal location …

Inference with aggregate data in probabilistic graphical models: An optimal transport approach

R Singh, I Haasler, Q Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
We consider inference (filtering) problems over probabilistic graphical models with
aggregate data generated by a large population of individuals. We propose a new efficient …

A probabilistic approach for learning with label proportions applied to the us presidential election

T Sun, D Sheldon, B O'Connor - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
Ecological inference (EI) is a classical problem from political science to model voting
behavior of individuals given only aggregate election results. Flaxman et al. recently …

Differentially private learning of undirected graphical models using collective graphical models

G Bernstein, R McKenna, T Sun… - International …, 2017 - proceedings.mlr.press
We investigate the problem of learning discrete graphical models in a differentially private
way. Approaches to this problem range from privileged algorithms that conduct learning …

Estimating people flow from spatiotemporal population data via collective graphical mixture models

T Iwata, H Shimizu, F Naya, N Ueda - ACM Transactions on Spatial …, 2017 - dl.acm.org
Thanks to the prevalence of mobile phones and GPS devices, spatiotemporal population
data can be obtained easily. In this article, we propose a mixture of collective graphical …

Neural collective graphical models for estimating spatio-temporal population flow from aggregated data

T Iwata, H Shimizu - Proceedings of the AAAI Conference on Artificial …, 2019 - aaai.org
We propose a probabilistic model for estimating population flow, which is defined as
populations of the transition between areas over time, given aggregated spatio-temporal …

Estimating latent population flows from aggregated data via inversing multi-marginal optimal transport

S Yang, H Zha - Proceedings of the 2023 SIAM International …, 2023 - SIAM
We study the problem of estimating latent population flows from aggregated count data. This
problem arises when individual trajectories are not available due to privacy issues or …