Search Results for author: Thomas Gebhart

Found 8 papers, 4 papers with code

Extending Transductive Knowledge Graph Embedding Models for Inductive Logical Relational Inference

1 code implementation7 Sep 2023 Thomas Gebhart, John Cobb

In this work, we bridge the gap between traditional transductive knowledge graph embedding approaches and more recent inductive relation prediction models by introducing a generalized form of harmonic extension which leverages representations learned through transductive embedding methods to infer representations of new entities introduced at inference time as in the inductive setting.

Inductive Relation Prediction Knowledge Graph Embedding

Graph Convolutional Networks from the Perspective of Sheaves and the Neural Tangent Kernel

no code implementations19 Aug 2022 Thomas Gebhart

Graph convolutional networks are a popular class of deep neural network algorithms which have shown success in a number of relational learning tasks.

Relational Reasoning

Knowledge Sheaves: A Sheaf-Theoretic Framework for Knowledge Graph Embedding

1 code implementation7 Oct 2021 Thomas Gebhart, Jakob Hansen, Paul Schrater

Knowledge graph embedding involves learning representations of entities -- the vertices of the graph -- and relations -- the edges of the graph -- such that the resulting representations encode the known factual information represented by the knowledge graph and can be used in the inference of new relations.

Knowledge Graph Embedding

A Unified Paths Perspective for Pruning at Initialization

no code implementations26 Jan 2021 Thomas Gebhart, Udit Saxena, Paul Schrater

A number of recent approaches have been proposed for pruning neural network parameters at initialization with the goal of reducing the size and computational burden of models while minimally affecting their training dynamics and generalization performance.

Sheaf Neural Networks

no code implementations NeurIPS Workshop TDA_and_Beyond 2020 Jakob Hansen, Thomas Gebhart

We present a generalization of graph convolutional networks by generalizing the diffusion operation underlying this class of graph neural networks.

Path homologies of deep feedforward networks

no code implementations16 Oct 2019 Samir Chowdhury, Thomas Gebhart, Steve Huntsman, Matvey Yutin

These results provide a foundation for investigating homological differences between neural network architectures and their realized structure as implied by their parameters.

Characterizing the Shape of Activation Space in Deep Neural Networks

1 code implementation28 Jan 2019 Thomas Gebhart, Paul Schrater, Alan Hylton

The representations learned by deep neural networks are difficult to interpret in part due to their large parameter space and the complexities introduced by their multi-layer structure.

Adversary Detection in Neural Networks via Persistent Homology

1 code implementation28 Nov 2017 Thomas Gebhart, Paul Schrater

We outline a detection method for adversarial inputs to deep neural networks.

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