← Search

Christopher K. I. Williams

2 accepted papers

2020

Robust Variational Autoencoders for Outlier Detection and Repair of Mixed-Type Data

AISTATS 2020poster

We focus on the problem of unsupervised cell outlier detection and repair inmixed-type tabular data. Traditional methods are concerned only with detecting which rows in the dataset areoutliers. However, identifying which cells are corrupted in aspecific row is an important problem in practice, and t…

2018

A Framework for the Quantitative Evaluation of Disentangled Representations

ICLR 2018poster

Recent AI research has emphasised the importance of learning disentangled representations of the explanatory factors behind data. Despite the growing interest in models which can learn such representations, visual inspection remains the standard evaluation metric. While various desiderata have been…