Search Results for author: Sara Y. Del Valle

Found 8 papers, 1 papers with code

Impact of COVID-19 Policies and Misinformation on Social Unrest

no code implementations7 Oct 2021 Martha Barnard, Radhika Iyer, Sara Y. Del Valle, Ashlynn R. Daughton

The novel coronavirus disease (COVID-19) pandemic has impacted every corner of earth, disrupting governments and leading to socioeconomic instability.

Misinformation

Machine Learning-Powered Mitigation Policy Optimization in Epidemiological Models

no code implementations16 Oct 2020 Jayaraman J. Thiagarajan, Peer-Timo Bremer, Rushil Anirudh, Timothy C. Germann, Sara Y. Del Valle, Frederick H. Streitz

A crucial aspect of managing a public health crisis is to effectively balance prevention and mitigation strategies, while taking their socio-economic impact into account.

BIG-bench Machine Learning

Accurate Calibration of Agent-based Epidemiological Models with Neural Network Surrogates

no code implementations13 Oct 2020 Rushil Anirudh, Jayaraman J. Thiagarajan, Peer-Timo Bremer, Timothy C. Germann, Sara Y. Del Valle, Frederick H. Streitz

Here we present a new approach to calibrate an agent-based model -- EpiCast -- using a large set of simulation ensembles for different major metropolitan areas of the United States.

Dynamic Bayesian Influenza Forecasting in the United States with Hierarchical Discrepancy

no code implementations30 Aug 2017 Dave Osthus, James Gattiker, Reid Priedhorsky, Sara Y. Del Valle

Timely and accurate forecasts of seasonal influenza would assist public health decision-makers in planning intervention strategies, efficiently allocating resources, and possibly saving lives.

Applications

Eliciting Disease Data from Wikipedia Articles

no code implementations2 Apr 2015 Geoffrey Fairchild, Lalindra De Silva, Sara Y. Del Valle, Alberto M. Segre

Traditional disease surveillance systems suffer from several disadvantages, including reporting lags and antiquated technology, that have caused a movement towards internet-based disease surveillance systems.

TAG Time Series +1

Quantifying Uncertainty in Stochastic Models with Parametric Variability

no code implementations4 Mar 2015 Kyle S. Hickmann, James M. Hyman, Sara Y. Del Valle

We illustrate our approach by quantifying the uncertainty in a stochastic ordinary differential equation epidemic model.

Uncertainty Quantification

Global disease monitoring and forecasting with Wikipedia

1 code implementation14 May 2014 Nicholas Generous, Geoffrey Fairchild, Alina Deshpande, Sara Y. Del Valle, Reid Priedhorsky

Infectious disease is a leading threat to public health, economic stability, and other key social structures.

Inferring the Origin Locations of Tweets with Quantitative Confidence

no code implementations16 May 2013 Reid Priedhorsky, Aron Culotta, Sara Y. Del Valle

Social Internet content plays an increasingly critical role in many domains, including public health, disaster management, and politics.

Management

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