Posts In Category Reviewed

Is a class the same as its extent?

on January 14, 2011 by Phillip Lord and Uli Sattler in Articles, Reviewed, Comments (4)

Abstract While it is true that an ontology class defines a set of individuals, its extent, the reverse is not so. The class is not the same as its […]


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 […]


Components of an Ontology

on January 22, 2010 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 […]


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 […]


What is an ontology?

on by Alan Rector, Duncan Hull and Robert Stevens in Reviewed, Comments (10)

Robert Stevens*, Alan Rector* and Duncan Hull† * School of Computer Science, The University of Manchester, Oxford Road, Manchester, UK † EMBL Outstation – Hinxton, European Bioinformatics Institute, Wellcome […]


OWL, an ontology language

on January 21, 2010 by Uli Sattler in All, Reviewed, Comments (5)

This article takes the reader on an introductory tour of OWL, with particular attention on the meaning of OWL statements, their entailments, and what reasoners do. Related Knowledge Blog […]


Semantic Integration in the Life Sciences

on by Allyson Lister in Reviewed, Comments (6)

There are a number of limitations in data integration: data sets are often noisy, incomplete, of varying levels of granularity and highly changeable. Every time one of the underlying […]


Automatic maintenance of multiple inheritance ontologies

on by Mikel Egana Aranguren in Reviewed, Comments (2)

Mikel Egaña Aranguren <> (Technical University of Madrid, Spain) Introduction Ontologies with multiple inheritance are difficult to maintain manually. However, providing the correct set of axioms, an automated reasoner […]