Please use this identifier to cite or link to this item: https://open.uns.ac.rs/handle/123456789/11595
Title: Clustering of Microbiome Data: Evaluation of Ensemble Design Approaches
Authors: Lončar-Turukalo, Tatjana 
Lazić, Ivan 
Maljković, Nina
Brdar, Sanja 
Issue Date: Jul-2019
Conference: EUROCON 2019 - 18th International Conference on Smart Technologies
Abstract: The research focus on the human microbiome is moving towards uncovering its association with the overall wellbeing and using this knowledge in personalized medicine and connected health. Driven by more affordable highthroughput sequencing, microbiome data generation rate has increased, enabling an efficient implementation of data-driven algorithms. This study evaluates the possibilities to identify clusters in a human microbiome data based on taxonomic profiles, relying on 24 different β diversity measures, individual and ensemble clustering approaches. The influence of ensemble creation techniques and parameter selection to the robustness and quality of consensus partition was explored. Furthermore, we have evaluated changes in the clustering performance after dimensionality reduction. The results indicate that careful selection of the algorithm parameters and ensemble design are needed to ensure the stable consensus partition. Reduction in the number of input features using kernel principal component analysis is accompanied with loss of discrimination potential.
URI: https://open.uns.ac.rs/handle/123456789/11595
ISBN: 9781538693018
DOI: 10.1109/EUROCON.2019.8861929
Appears in Collections:IBS Publikacije/Publications

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