Stanford Ontology Creation Guide

Protege is one of the most popular tools to create and edit ontologies. Their creators at Stanford University published a tutorial with examples from the wine domain. In 25 pages they explain what is an ontology and a step by step methodology to guide an ontology developer. It has been translated to French and Russian and its available as PDF and HTML. At the end you will learn what is a class, and individual, and how properties relate other individuals. You will also gain some knowledge about wines.