Hierarchical classifier Source: en.wikipedia.org/wiki/Hierarchical_classifier

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Hierarchical classification is a system of grouping things according to a hierarchy.^[1]

In the field of machine learning, hierarchical classification is sometimes referred to as instance space decomposition,^[2] which splits a complete multi-class problem into a set of smaller classification problems.

• Deductive classifier
• Cascading classifiers
• Faceted classification

• Hierarchical Classification – a useful approach for predicting thousands of possible categories

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