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Neil G. Marchant

6 accepted papers

2026

On the Bayes Inconsistency of Disagreement Discrepancy Surrogates

ICLR 2026poster

Deep neural networks often fail when deployed in real-world contexts due to distribution shift, a critical barrier to building safe and reliable systems. An emerging approach to address this problem relies on _disagreement discrepancy_—a measure of how the disagreement between two models changes und…

Cited by 0SourcecodeScholar
2025

AdaptDel: Adaptable Deletion Rate Randomized Smoothing for Certified Robustness

NeurIPS 2025poster

We consider the problem of certified robustness for sequence classification against edit distance perturbations. Naturally occurring inputs of varying lengths (e.g., sentences in natural language processing tasks) present a challenge to current methods that employ fixed-rate deletion mechanisms and…

Cited by 0SourceScholar
2024

CERT-ED: Certifiably Robust Text Classification for Edit Distance

EMNLP 2024finding

With the growing integration of AI in daily life, ensuring the robustness of systems to inference-time attacks is crucial. Among the approaches for certifying robustness to such adversarial examples, randomized smoothing has emerged as highly promising due to its nature as a wrapper around arbitrary…

2023

RS-Del: Edit Distance Robustness Certificates for Sequence Classifiers via Randomized Deletion

NeurIPS 2023poster

Randomized smoothing is a leading approach for constructing classifiers that are certifiably robust against adversarial examples. Existing work on randomized smoothing has focused on classifiers with continuous inputs, such as images, where $\ell_p$-norm bounded adversaries are commonly studied. How…

2022

Hard to Forget: Poisoning Attacks on Certified Machine Unlearning

AAAI 2022technical

The right to erasure requires removal of a user's information from data held by organizations, with rigorous interpretations extending to downstream products such as learned models. Retraining from scratch with the particular user's data omitted fully removes its influence on the resulting model, bu…