Bayesian integration of networks without gold standards

Jochen Weile, Katherine James, Jennifer Hallinan, Simon J. Cockell, Phillip Lord, Anil Wipat, Darren J. Wilkinson*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Motivation: Biological experiments give insight into networks of processes inside a cell, but are subject to error and uncertainty. However, due to the overlap between the large number of experiments reported in public databases it is possible to assess the chances of individual observations being correct. In order to do so, existing methods rely on high-quality 'gold standard' reference networks, but such reference networks are not always available. Results: We present a novel algorithm for computing the probability of network interactions that operates without gold standard reference data. We show that our algorithm outperforms existing gold standard-based methods. Finally, we apply the new algorithm to a large collection of genetic interaction and protein-protein interaction experiments.

Original languageEnglish
Article numberbts154
Pages (from-to)1495-1500
Number of pages6
JournalBioinformatics
Volume28
Issue number11
DOIs
Publication statusPublished - Jun 2012
Externally publishedYes

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