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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,291 papers · 148 categories

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83166248331 · Jun 202019922001200920182026
48 results for systems epidemiology

The paper presents an R package for learning Bayesian networks from epidemiological data.

problem Learning Bayesian networks from messy, highly correlated datasets in epidemiology.
method The paper introduces an R package abn that implements multiple frequentist scoring rules for learning Bayesian networks from observational data, addressing data separation and adjustment issues.
result The package abn is robust and efficient for learning Bayesian networks from epidemiological data.

Study uses epidemiological models to analyze financial contagion risks.

problem Analyzing and controlling contagion risks in the global financial network.
method Formulated an optimal control problem based on infection spread models.
result The approach effectively describes the world economy's financial contagion.

Unified Bayesian-AI framework improves epidemiological risk prediction and uncertainty quantification.

problem Lack of calibrated uncertainty in machine learning models for epidemiology.
method Combines Bayesian prediction with Bayesian hyperparameter optimization using logistic regression and Gaussian-process Bayesian optimization.
result Unified Bayesian-AI framework provides reliable coverage and improved calibration, enhancing epidemiological decision making.

A new method combines ANN and Laplace for fast Bayesian inference in ODE models.

problem Bayesian inference for ODE systems with non-analytical solutions is computationally expensive.
method Hybrid approach using ANN for tractable likelihood and Laplace approximation.
result Effective posterior inference with improved computational cost compared to traditional methods.

Paper proposes a new method to avoid overfitting in Bayesian network models.

problem Overfitting in Bayesian network models with limited data.
method Uses Monte Carlo Markov chain model choice (MC3) to learn and present reasonably supported networks.
result Flexible structural MC3 method reduces overfitting and presents all possible arcs with their support.

Method estimates parameters for disease spread models robustly.

problem Estimating parameters for disease spread models.
method Statistical Learning applied to Approximate Bayesian Computation.
result Qualitative properties of disease evolution can be assessed.

The study examines methods to correct measurement error in nutritional epidemiology studies.

problem Measurement error in nutritional studies leads to biased and underconfident estimates.
method The article reviews various bias-correction models for exposure variables in nutritional epidemiology.
result Bias-correction methods are essential for accurate inference in nutritional studies.

SVI and GP surrogates improve calibration of ABMs in epidemiology.

problem Calibrating stochastic ABMs in epidemiology is computationally expensive.
method Stein Variational Inference (SVI) with Gaussian process (GP) surrogates.
result SVI maintains comparable predictive accuracy and calibration effectiveness to MCMC.

ARF synthesizes epidemiological data to match original findings.

problem Synthetic data quality and privacy in epidemiology.
method Adversarial Random Forests (ARF) for efficient data synthesis.
result ARF-generated synthetic data consistently matches original epidemiological findings.

Efficiently calibrates epidemiological models using Bayesian optimization.

problem Calibration of complex epidemiological models is computationally expensive and challenging.
method Graybox Bayesian optimization scheme leveraging Gaussian processes and functional structure of compartmental models.
result Proposed methods achieve efficient calibration and improved performance compared to existing schemes.

Automates infectious disease policy-making via inference in epidemiological models.

problem Improving policy-making for infectious diseases during pandemics.
method Performing inference in existing epidemiological models using a probabilistic programming language.
result Automated inference leads to better disease progression outcomes and policy prescriptions.

A framework detects nonlinear and interaction effects in epidemiological data with uncertainty quantification.

problem Lack of reliable inference for ML-discovered nonlinearities and interactions in epidemiological data.
method Combines Bayesian sparse regression, tree ensembles, and Shapley values.
result Valid uncertainty quantification for feature effects at the individual level.

TOO optimizes stochastic epidemiological models by finding both parameter settings and random seeds.

problem Calibrating stochastic epidemiological models to match empirical observations.
method Gaussian process surrogates and Thompson sampling for optimization.
result Produces actual trajectories consistent with ground truth.

TMLE improves unbiased estimation in public health studies.

problem Improving unbiased estimation in observational studies.
method Targeted Maximum Likelihood Estimation (TMLE) integrates machine learning and statistical theory.
result TMLE has been adopted by researchers worldwide, especially outside the US.

EGDL predicts TB outbreaks with deep learning, integrating epidemiological models.

problem Predicting TB outbreaks with complex spatiotemporal dynamics.
method Modified MN-SIR model with Bayesian inference, deep neural networks.
result EGDL delivers robust and accurate TB outbreak predictions.

Neural likelihood approximates integer time series data efficiently.

problem Inference of parameters for integer-valued stochastic processes is challenging.
method Constructs a neural likelihood approximation for inference of parameters from time series data.
result Accurately approximates the true posterior with significant computational speed-ups.

Confounding biases recommender systems, even when data seems fully observed.

problem Unmeasured features influencing both treatment and outcome in recommender systems.
method Illustrations and simulation studies showing how common practices introduce confounding.
result Standard recommender system practices can introduce confounding, reducing performance.

Optimizes control of infectious disease spread using stochastic methods.

problem Optimizing control of highly infectious diseases like COVID-19.
method Reformulated Hamilton-Jacobi-Bellman equation as stochastic minimum principle, leading to forward-backward stochastic differential equations.
result Numerous numerical solutions presented under various scenarios.

Financial contagion spreads through international relations, posing systemic risk.

problem Systemic risk in global financial networks due to debt crises.
method Epidemiological model applied to a network of European countries using bilateral foreign claims data.
result Countries experiencing debt crises can threaten global financial stability, akin to a 'financial virus'.

A novel kernel approach for model selection in simulator-based models.

problem Model selection for simulator-based statistical models with limited prior knowledge.
method Iteratively updates model weights and parameters using Bayes' rule and kernel recursive ABC algorithm.
result Demonstrates effectiveness on dynamical systems in ecology and epidemiology.

Bayesian calibration speeds up ABM for pandemic modeling.

problem Calibrating stochastic ABMs for accurate pandemic predictions is computationally intensive.
method Random forest surrogate modeling for accelerated ABM evaluation.
result Improved predictive performance with random forest calibration compared to previous methods.

New method handles complex systems with discontinuous, heavy-tailed noise.

problem Handling discontinuous, heavy-tailed Lévy noise in stochastic systems.
method Developed nonlocal Kramers-Moyal formulas for SDEs with multiplicative Lévy noise.
result Validated framework for discovering interpretable SDE models from data.

Proposes using probabilistic models for privacy-preserving synthetic data.

problem Designing high-quality synthetic data for privacy preservation.
method Formulate the problem through probabilistic modelling, choosing a model for the data.
result Statistical discoveries can be reliably reproduced from synthetic data.

Neural surrogate predicts SPN rates from token trajectories.

problem Challenging parameter estimation in SPNs with covariates.
method 1D Convolutional Residual Network trained on Gillespie-simulated SPN realizations.
result Surrogate predicts rate-function coefficients with RMSE = 0.043.