Section 2.2 Taxonomies and the isA relation

Summary

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• Concepts are organized in .............................. which link concepts upwards to their .............................. and downwards to their ...............................
• The relation between a concept and its superclass is called ...............................
• In Word Grammar notation, the isA relation is shown as a line ending in a small .............................. whose base rests on the superclass.

Entry point for the WG Encyclopedia: Isa

Wikipedia links

• Is-a
• Taxonomy