GPflow: A Gaussian process library using TensorFlow

…, T Nickson, K Fujii, A Boukouvalas… - Journal of Machine …, 2017 - jmlr.org
GPflow is a Gaussian process library that uses TensorFlow for its core computations and
Python for its front end. The distinguishing features of GPflow are that it uses variational …

[HTML][HTML] What to Do When K-Means Clustering Fails: A Simple yet Principled Alternative Algorithm

YP Raykov, A Boukouvalas, F Baig, MA Little - PloS one, 2016 - journals.plos.org
The K-means algorithm is one of the most popular clustering algorithms in current use as it is
relatively fast yet simple to understand and deploy in practice. Nevertheless, its use entails …

[HTML][HTML] Benchmark and parameter sensitivity analysis of single-cell RNA sequencing clustering methods

M Krzak, Y Raykov, A Boukouvalas, L Cutillo… - Frontiers in …, 2019 - frontiersin.org
Single-cell RNA-seq (scRNAseq) is a powerful tool to study heterogeneity of cells. Recently,
several clustering based methods have been proposed to identify distinct cell populations. …

GrandPrix: scaling up the Bayesian GPLVM for single-cell data

S Ahmed, M Rattray, A Boukouvalas - Bioinformatics, 2019 - academic.oup.com
Motivation The Gaussian Process Latent Variable Model (GPLVM) is a popular approach for
dimensionality reduction of single-cell data and has been used for pseudotime estimation …

Predicting room occupancy with a single passive infrared (PIR) sensor through behavior extraction

YP Raykov, E Ozer, G Dasika, A Boukouvalas… - Proceedings of the …, 2016 - dl.acm.org
Passive infrared sensors have widespread use in many applications, including motion
detectors for alarms, lighting systems and hand dryers. Combinations of multiple PIR sensors …

Adaptive sensor placement for continuous spaces

J Grant, A Boukouvalas, RR Griffiths… - International …, 2019 - proceedings.mlr.press
We consider the problem of adaptively placing sensors along an interval to detect
stochastically-generated events. We present a new formulation of the problem as a continuum-armed …

Additive Gaussian processes revisited

X Lu, A Boukouvalas… - … Conference on Machine …, 2022 - proceedings.mlr.press
Gaussian Process (GP) models are a class of flexible non-parametric models that have rich
representational power. By using a Gaussian process with additive structure, complex …

Medication reconciliation by a pharmacy technician in a mental health assessment unit

…, R Culliford, C Fox, A Boukouvalas… - International journal of …, 2014 - Springer
Background Medication discrepancies are common when patients cross organisational
boundaries. However, little is known about the frequency of discrepancies within mental health …

Age‐associated changes in long‐chain fatty acid profile during healthy aging promote pro‐inflammatory monocyte polarization via PPAR γ

C Pararasa, J Ikwuobe, S Shigdar, A Boukouvalas… - Aging cell, 2016 - Wiley Online Library
Differences in lipid metabolism associate with age‐related disease development and lifespan.
Inflammation is a common link between metabolic dysregulation and aging. Saturated …

Transition from community dwelling to retirement village in older adults: cognitive functioning and psychological health outcomes

C Holland, A Boukouvalas, S Wallis, D Clarkesmith… - Ageing & …, 2017 - cambridge.org
Supported living and retirement villages are becoming a significant option for older adults
with impairments, with independence concerns or for forward planning in older age, but …