Posts In Category Articles

What is an upper level ontology?

on April 13, 2010 by Robert Hoehndorf in Reviewed, Comments (2)

Abstract:Upper level ontologies are used to facilitate the semantic integration of domain ontologies and guide the development of new ontologies. For this purpose, they contain general categories that are […]


The overuse of is-a relation

on by Larisa Soldatova in Under Review, Comments (1)

Abstract The is-a relation is often overused by ontology developers. Also, the is-a relation sometimes is confused with other relations. This article explains why it may happen and how […]


Ontology Learning

on January 22, 2010 by Christopher Brewster in Under Review, Comments (0)

Ontology Learning from text Introduction The Need for ontology learning Ontologies are the fundamental form of knowledge representation in contemporary Artificial Intelligence systems, especially systems of used in the […]


Components of an Ontology

on by Phillip Lord in Reviewed, Comments (7)

Abstract A computational ontology consists of a number of different components, such as Classes, Individuals and Relations which are described in this article. Introduction An Ontology consists of a […]


Simple Knowledge Organisation System (SKOS)

on by Simon Jupp in Under Review, Comments (2)

SKOS This article describes the Simple Knowledge Organisation System (SKOS). SKOS is a World Wide Web Consortium (W3C) recommended standard for representing and publishings Knowledge Organisation Systems (KOS) on […]


OBO Format

on by David Osumi-Sutherland in Under Review, Comments (0)

David Osumi-Sutherland FlyBase, University of Cambridge, Downing Street, Cambridge CB2, 3EH, UK Abstract OBO format is a popular ontology file format. It can express a subset of the description […]


Ontologies for Sharing, Ontologies for Use

on by David Shotton in Under Review, Comments (3)

David Shotton §, Chris Catton and Graham Klyne Image Bioinformatics Research Group, Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK § Corresponding author: e-mail: […]


Resource Description Framework (RDF)

on by Simon Jupp in Under Review, Comments (3)

Introduction This post provide a brief overview of the Resource Description Framework (RDF). RDF is a W3C recommended standard for publishing data on the Web and is one of […]


Upper Level Ontologies

on by Frank Gibson in Reviewed, Comments (4)

As the biomedical domain is highly interconnected, bio-ontologies may overlap with each other. For instance, the Ontology of Biomedical Investigation (OBI) requires the availability of definitions for those chemicals […]


Community Driven Ontology Development

on by Frank Gibson and James Malone in Under Review, Comments (4)

Frank Gibson and James Malone§ §European Bioinformatics Institute, Cambridge, CB5 8LW, UK Community driven ontology development is the process of collaboratively building an ontology which represent the understanding of […]