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An R interface to the Ontology Lookup Service

Bioconductor version: Release (3.19)

The rols package is an interface to the Ontology Lookup Service (OLS) to access and query hundred of ontolgies directly from R.

Author: Laurent Gatto [aut, cre] , Tiage Chedraoui Silva [ctb], Andrew Clugston [ctb]

Maintainer: Laurent Gatto <laurent.gatto at>

Citation (from within R, enter citation("rols")):


To install this package, start R (version "4.4") and enter:

if (!require("BiocManager", quietly = TRUE))


For older versions of R, please refer to the appropriate Bioconductor release.


To view documentation for the version of this package installed in your system, start R and enter:

An R interface to the Ontology Lookup Service HTML R Script
Reference Manual PDF


biocViews Annotation, GO, ImmunoOncology, MassSpectrometry, Software
Version 3.0.0
In Bioconductor since BioC 2.11 (R-2.15) (12 years)
License GPL-2
Depends methods
Imports httr2, jsonlite, utils, Biobase, BiocGenerics(>= 0.23.1)
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Suggests GO.db, knitr (>= 1.1.0), BiocStyle(>= 2.5.19), testthat, lubridate, DT, rmarkdown
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Depends On Me
Imports Me struct
Suggests Me MSnbase, spatialHeatmap, RforProteomics
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Follow Installation instructions to use this package in your R session.

Source Package rols_3.0.0.tar.gz
Windows Binary (64-bit only)
macOS Binary (x86_64) rols_3.0.0.tgz
macOS Binary (arm64) rols_3.0.0.tgz
Source Repository git clone
Source Repository (Developer Access) git clone
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