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Taylor T. Johnson

4 accepted papers

2026

Modeling Spectral Energy Shifts in Spatio-Temporal Graph Anomaly Detection

ICML 2026poster

Graph anomaly detection methods aim to distinguish anomalous nodes. While prior methods characterize anomalies through increased variation in the spectral energy distributions, they overlook those that result in decreased variation, i.e., camouflaged anomalies that appear normal. We show that this t…

Cited by 0SourceScholar
2025

Scaling Data-Driven Probabilistic Robustness Analysis for Semantic Segmentation Neural Networks

NeurIPS 2025poster

Semantic segmentation neural networks (SSNs) are increasingly essential in high-stakes fields such as medical imaging, autonomous driving, and environmental monitoring, where robustness to input uncertainties and adversarial examples is crucial for ensuring safety and reliability. However, tradition…

Cited by 0SourceScholar
2024

Formal Logic Enabled Personalized Federated Learning through Property Inference

AAAI 2024technical

Recent advancements in federated learning (FL) have greatly facilitated the development of decentralized collaborative applications, particularly in the domain of Artificial Intelligence of Things (AIoT). However, a critical aspect missing from the current research landscape is the ability to enable…

Cited by 5SourcePDFScholar
2022

Physics guided neural networks for spatio-temporal super-resolution of turbulent flows

UAI 2022poster

Direct numerical simulation (DNS) of turbulent flows is computationally expensive and cannot be applied to flows with large Reynolds numbers. Low-resolution large eddy simulation (LES) is a popular alternative, but it is unable to capture all of the scales of turbulent transport accurately. Reconst…

Cited by 29SourcePDFScholar