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Bioinformatics. 2010 Apr 15;26(8):1112-8. doi: 10.1093/bioinformatics/btq099. Epub 2010 Mar 3.

Modeling sample variables with an Experimental Factor Ontology.

Author information

1
Microarray Informatics Team, EMBL-EBI, Wellcome Trust Genome Campus, Hinxton, Cambridgeshire CB10 1SD, UK. malone@ebi.ac.uk

Abstract

MOTIVATION:

Describing biological sample variables with ontologies is complex due to the cross-domain nature of experiments. Ontologies provide annotation solutions; however, for cross-domain investigations, multiple ontologies are needed to represent the data. These are subject to rapid change, are often not interoperable and present complexities that are a barrier to biological resource users.

RESULTS:

We present the Experimental Factor Ontology, designed to meet cross-domain, application focused use cases for gene expression data. We describe our methodology and open source tools used to create the ontology. These include tools for creating ontology mappings, ontology views, detecting ontology changes and using ontologies in interfaces to enhance querying. The application of reference ontologies to data is a key problem, and this work presents guidelines on how community ontologies can be presented in an application ontology in a data-driven way.

AVAILABILITY:

http://www.ebi.ac.uk/efo.

PMID:
20200009
PMCID:
PMC2853691
DOI:
10.1093/bioinformatics/btq099
[Indexed for MEDLINE]
Free PMC Article
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