Hierarchical classification

For other uses, see Hierarchy (disambiguation).

Not to be confused with Taxonomy.

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.

See also

• Deductive classifier
• Cascading classifiers
• Faceted classification