Models and serializers for ontologies and related artifacts backed by 4store
A ruby application that allows to obtain recommendations for the most relevant ontologies based on an excerpt from a biomedical text or a list of keywords
To automatically process a piece of data text to annotate it with relevant ontology concepts and return the annotations.
A rails application for biological ontologies, see http://bioportal.bioontology.org/
A command line utility that wraps the Java OWL-API to parse RDFS, OWL and OBO ontologies.
These python scripts connect to the Unified Medical Language System (UMLS) database and translate the ontologies into RDF/OWL files. This is part of the BioPortal project.
A Flash-based visualization tool for ontologies using NCBO's retired REST API
This is a copy of The Basic Formal Ontology (BFO). For testing and reliability NCBO/BioPortal needs to maintain its own copy of BFO.