Hierarchical classification

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In the field of machine learning, hierarchical classification is sometimes referred to as instance space decomposition,^[1] which splits a complete multi-class problem into a set of smaller classification problems.

References

^ Cohen, S.; Rokach, L.; Maimon, O. (2007). "Decision-tree instance-space decomposition with grouped gain-ratio". Information Sciences. 177 (17). Elsevier: 3592–3612. doi:10.1016/j.ins.2007.01.016.

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

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