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University of Nevada, Las Vegas

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Selected work

Representative Papers

A Bayesian Discrete Framework for Enhancing Decision-Making Processes in Clinical Trial Designs and Evaluations

Jan 15, 2026

This study addresses the limitations of conventional frequentist approaches in effectively incorporating prior knowledge, which constrains adaptive decision-making and reliability in clinical trials. The authors propose a Bayesian framework tailored for discrete probability distributions—such as binomial, Poisson, and negative binomial—to model binary responses and overdispersed clinical endpoints using Bayesian networks. By continuously integrating accumulating evidence, the framework dynamically optimizes trial design and evaluation. Compared to maximum likelihood estimation, this approach demonstrates greater flexibility and robustness in both inferential behavior and practical performance, substantially enhancing decision quality while mitigating misinterpretation of results and reproducibility challenges.

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Recent publications

Latest Papers

A Machine Learning Surrogate for Component Criticality Ranking in Interdependent Power-Communication Networks

Jul 09, 2026

This study addresses the prohibitive computational cost of high-fidelity simulations in evaluating cascading failures of power-communication coupled systems under large-scale N-k contingencies, which hinders resilience planning. To overcome this challenge, the authors propose a structure-based machine learning surrogate model that, for the first time, integrates leak-free topological centrality measures with cross-layer dependency information to rapidly predict failure severity and generate component criticality rankings. This surrogate model forms the first stage of a two-stage workflow paired with high-fidelity MIIM simulations for prioritized hardening analysis. Evaluated on the IEEE 118-bus system, the model achieves Spearman correlation coefficients of 0.849 and 0.853 for failure severity prediction and criticality ranking, respectively—significantly outperforming purely topological baselines and closely approaching the empirical upper bound of high-fidelity simulation, thereby substantially improving assessment efficiency without compromising accuracy.

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