Search Results for author: John Brennan

Found 8 papers, 4 papers with code

Not Half Bad: Exploring Half-Precision in Graph Convolutional Neural Networks

no code implementations23 Oct 2020 John Brennan, Stephen Bonner, Amir Atapour-Abarghouei, Philip T Jackson, Boguslaw Obara, Andrew Stephen McGough

With the growing significance of graphs as an effective representation of data in numerous applications, efficient graph analysis using modern machine learning is receiving a growing level of attention.

Link Prediction

Gradient descent with momentum --- to accelerate or to super-accelerate?

no code implementations17 Jan 2020 Goran Nakerst, John Brennan, Masudul Haque

In this work, we show that the algorithm can be improved by extending this `acceleration' --- by using the gradient at an estimated position several steps ahead rather than just one step ahead.

Position

Temporal Neighbourhood Aggregation: Predicting Future Links in Temporal Graphs via Recurrent Variational Graph Convolutions

1 code implementation21 Aug 2019 Stephen Bonner, Amir Atapour-Abarghouei, Philip T. Jackson, John Brennan, Ibad Kureshi, Georgios Theodoropoulos, Andrew Stephen McGough, Boguslaw Obara

Graphs have become a crucial way to represent large, complex and often temporal datasets across a wide range of scientific disciplines.

Social and Information Networks

Predicting the Computational Cost of Deep Learning Models

1 code implementation28 Nov 2018 Daniel Justus, John Brennan, Stephen Bonner, Andrew Stephen McGough

But, also, it has the ability to predict execution times for scenarios unseen in the training data.

Using Machine Learning to reduce the energy wasted in Volunteer Computing Environments

no code implementations19 Oct 2018 A. Stephen McGough, Matthew Forshaw, John Brennan, Noura Al Moubayed, Stephen Bonner

We demonstrate, through the use of simulation, how we can reduce this wasted energy by targeting tasks at computers less likely to be needed for primary use, predicting this idle time through machine learning.

BIG-bench Machine Learning

Exploring the Semantic Content of Unsupervised Graph Embeddings: An Empirical Study

2 code implementations19 Jun 2018 Stephen Bonner, Ibad Kureshi, John Brennan, Georgios Theodoropoulos, Andrew Stephen McGough, Boguslaw Obara

To explore this, we present extensive experimental evaluation from five state-of-the-art unsupervised graph embedding techniques, across a range of empirical graph datasets, measuring a selection of topological features.

Graph Embedding Graph Mining

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