On Neural Networks as Infinite Tree-Structured Probabilistic Graphical Models

Fuente: arXiv
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Hauptverfasser: Li, Boyao, Thomson, Alexander J., Nassif, Houssam, Engelhard, Matthew M., Page, David
Format: Preprint
Veröffentlicht: 2023
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author Li, Boyao
Thomson, Alexander J.
Nassif, Houssam
Engelhard, Matthew M.
Page, David
author_facet Li, Boyao
Thomson, Alexander J.
Nassif, Houssam
Engelhard, Matthew M.
Page, David
contents Deep neural networks (DNNs) lack the precise semantics and definitive probabilistic interpretation of probabilistic graphical models (PGMs). In this paper, we propose an innovative solution by constructing infinite tree-structured PGMs that correspond exactly to neural networks. Our research reveals that DNNs, during forward propagation, indeed perform approximations of PGM inference that are precise in this alternative PGM structure. Not only does our research complement existing studies that describe neural networks as kernel machines or infinite-sized Gaussian processes, it also elucidates a more direct approximation that DNNs make to exact inference in PGMs. Potential benefits include improved pedagogy and interpretation of DNNs, and algorithms that can merge the strengths of PGMs and DNNs.
format Preprint
id arxiv_https___arxiv_org_abs_2305_17583
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle On Neural Networks as Infinite Tree-Structured Probabilistic Graphical Models
Li, Boyao
Thomson, Alexander J.
Nassif, Houssam
Engelhard, Matthew M.
Page, David
Machine Learning
Deep neural networks (DNNs) lack the precise semantics and definitive probabilistic interpretation of probabilistic graphical models (PGMs). In this paper, we propose an innovative solution by constructing infinite tree-structured PGMs that correspond exactly to neural networks. Our research reveals that DNNs, during forward propagation, indeed perform approximations of PGM inference that are precise in this alternative PGM structure. Not only does our research complement existing studies that describe neural networks as kernel machines or infinite-sized Gaussian processes, it also elucidates a more direct approximation that DNNs make to exact inference in PGMs. Potential benefits include improved pedagogy and interpretation of DNNs, and algorithms that can merge the strengths of PGMs and DNNs.
title On Neural Networks as Infinite Tree-Structured Probabilistic Graphical Models
topic Machine Learning
url https://arxiv.org/abs/2305.17583