OntoCAT--simple ontology search and integration in Java, R and REST/JavaScript.

BMC Bioinformatics 2011 May 29;12:218. Epub 2011 May 29.

European Bioinformatics Institute, Wellcome Trust Genome Campus, Cambridge, CB10 1SD, UK.

Background: Ontologies have become an essential asset in the bioinformatics toolbox and a number of ontology access resources are now available, for example, the EBI Ontology Lookup Service (OLS) and the NCBO BioPortal. However, these resources differ substantially in mode, ease of access, and ontology content. This makes it relatively difficult to access each ontology source separately, map their contents to research data, and much of this effort is being replicated across different research groups.

Results: OntoCAT provides a seamless programming interface to query heterogeneous ontology resources including OLS and BioPortal, as well as user-specified local OWL and OBO files. Each resource is wrapped behind easy to learn Java, Bioconductor/R and REST web service commands enabling reuse and integration of ontology software efforts despite variation in technologies. It is also available as a stand-alone MOLGENIS database and a Google App Engine application.

Conclusions: OntoCAT provides a robust, configurable solution for accessing ontology terms specified locally and from remote services, is available as a stand-alone tool and has been tested thoroughly in the ArrayExpress, MOLGENIS, EFO and Gen2Phen phenotype use cases.

Availability: http://www.ontocat.org.

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http://dx.doi.org/10.1186/1471-2105-12-218DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3129328PMC
May 2011
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