Search Results for author: Jack Fitzsimons

Found 5 papers, 2 papers with code

Naturally Private Recommendations with Determinantal Point Processes

no code implementations22 May 2024 Jack Fitzsimons, Agustín Freitas Pasqualini, Robert Pisarczyk, Dmitrii Usynin

Often we consider machine learning models or statistical analysis methods which we endeavour to alter, by introducing a randomized mechanism, to make the model conform to a differential privacy constraint.

Point Processes

A General Framework for Fair Regression

no code implementations10 Oct 2018 Jack Fitzsimons, AbdulRahman Al Ali, Michael Osborne, Stephen Roberts

Fairness, through its many forms and definitions, has become an important issue facing the machine learning community.

Fairness Gaussian Processes +1

Entropic Trace Estimates for Log Determinants

1 code implementation24 Apr 2017 Jack Fitzsimons, Diego Granziol, Kurt Cutajar, Michael Osborne, Maurizio Filippone, Stephen Roberts

The scalable calculation of matrix determinants has been a bottleneck to the widespread application of many machine learning methods such as determinantal point processes, Gaussian processes, generalised Markov random fields, graph models and many others.

Gaussian Processes Point Processes

Bayesian Inference of Log Determinants

no code implementations5 Apr 2017 Jack Fitzsimons, Kurt Cutajar, Michael Osborne, Stephen Roberts, Maurizio Filippone

The log-determinant of a kernel matrix appears in a variety of machine learning problems, ranging from determinantal point processes and generalized Markov random fields, through to the training of Gaussian processes.

Bayesian Inference Gaussian Processes +1

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