BioPortal (http://bioportal. bioontology. org) is an open repository of biomedical ontologies
that provides programmatic and web-based access to ontologies developed in OBO, OWL …

Background Ontologies and controlled terminologies have become increasingly important in
biomedical research. Researchers use ontologies to annotate their data with ontology terms …

The field of biomedicine has embraced the Semantic Web probably more than any other
field. As a result, there is a large number of biomedical ontologies covering overlapping …

Background Ontologies provide domain knowledge to drive data integration, information
retrieval, natural-language processing, and decision support. The National Center for …

Background A plethora of publicly available biomedical resources do currently exist and are
constantly increasing at a fast rate. In parallel, specialized repositories are been developed …

In recent years, technological advances in high-throughput techniques and efficient data
gathering methods, coupled with a world-wide effort in computational biology, have resulted …

In biomedical informatics, ontologies are considered a key technology for annotating,
retrieving and sharing the huge volume of publicly available data. Due to the increasing …

As new biomedical technologies are developed, the amount of publically available
biomedical data continues to increase. To help manage these vast and disparate data …

Abstract The National Center for Biomedical Ontology is now in its seventh year. The goals
of this National Center for Biomedical Computing are to: create and maintain a repository of …

Background Because of the increasing number of electronic resources, designing efficient
tools to retrieve and exploit them is a major challenge. Some improvements have been …