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O. Bakhteev

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#machine learning Preprint Sep 2026

Spectral characteristics of autoencoder parameters as a vector representation of data

Experimental results suggest that the parameters of trained autoencoders can be viewed as sample representations, allowing for a high degree of accuracy in distinguishing between models trained on different data subsets, without resorting to complex vector generation algorithms or using the original samples.

M. Nikitina, Anton Bishuk, O. Bakhteev · 0 citations
#machine learning Preprint Aug 2026

Structure Aware Neural Architecture Search for Mixture of Experts

An architecture search framework that makes the alignment between experts and the structure of the data an explicit search variable and ensures that the assignment of data clusters to experts is optimised jointly with the per-expert architectures is proposed.

Petr Babkin, O. Bakhteev · 0 citations
Open access Jul 2026

Surrogate assisted diversity estimation in neural ensemble search

A dual-objective surrogate-guided ensemble search is introduced: candidate architectures are represented as directed acyclic graphs, and two surrogate models are trained independently to estimate predictive accuracy and diversity potential and guide an NES framework that efficiently identifies architectures that are bo...

Alexandr Udeneev, Petr Babkin, O. Bakhteev · 0 citations

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