Posts In Category Under Review

Introduction: Health informatics terminologies and related resources

on February 10, 2011 by Alan Rector in Under Review, Comments (0)

Healthcare and medical terminology systems come in a sometimes bewildering variety of flavours and ‘standards’.   Despite the similar names, there have been, and continue to be, a number […]


Closing Down the Open World: Covering Axioms and Closure Axioms

on January 12, 2011 by Robert Stevens in Under Review, Comments (4)

OWL has an open world assumption. This means that just because we don’t say something doesn’t mean it isn’t true. For example, we have an ontology of amino acids […]


Reification of properties in an ontology

on December 18, 2010 by Robert Stevens and Phillip Lord in Under Review, Comments (0)

Abstract Reification is a technique enabling a richer description of a property. Traditionally, “reification” has been used to support descriptions of the source of knowledge; instead of statements of […]


Naming conventions for robust term labelling

on November 19, 2010 by Daniel Schober in Under Review, Comments (0)

Naming conventions for robust term labelling Abstract This article tackles guidelines supporting the creation of human intelligible yet computationally robust labels for concepts and relations in ontologies. When an […]


There is no “other” category: When to avoid “miscellaneous”

on April 20, 2010 by Robert Stevens and Duncan Hull in Under Review, Comments (0)

It is often tempting when describing a series of subclasses that you know are not exhaustive to add a class labelled as “Other” or “Miscellaneous”. This is generally seen […]


Defining Definitions

on by Robert Stevens and Duncan Hull in Under Review, Comments (1)

Ontology can be thought of as the definition of entities in a domain of interest. It is useful, however, to talk about the word definition in a little more […]


Separating Concepts from Labels

on by Robert Stevens and Duncan Hull in Under Review, Comments (0)

When creating ontologies it is good practice to separate the concept and the label or term used to refer to that concept. Take the category or class that the […]


The overuse of is-a relation

on April 13, 2010 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 […]


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 […]