The Ontology Lookup Service is a spin-off of the PRIDE project,
which required a centralized query interface for ontology and
controlled vocabulary lookup. While many of the ontologies
queriable by the OLS are available online, each has its own
query interface and output format. The OLS provides a web
service interface to query multiple ontologies from a single
location with a unified output format. The OLS can integrate
any ontology available in the ...