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Cited by 575

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Similarity Measures for Categorical Data: A Comparative Evaluation

Boriah, Shyam, Chandola, Varun, Kumar, Vipin·2008·Proceedings of the 2008 SIAM International Conference on Data Mining

Abstract

Measuring similarity or distance between two entities is a key step for several data mining and knowledge discovery tasks. The notion of similarity for continuous data is relatively well-understood, but for categorical data, the similarity computation is not straightforward. Several data-driven similarity measures have been proposed in the literature to compute the similarity between two categorical data instances but their relative performance has not been evaluated. In this paper we study the performance of a variety of similarity measures in the context of a specific data mining task: outlier detection. Results on a variety of data sets show that while no one measure dominates others for all types of problems, some measures are able to have consistently high performance.

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Metadata

Authors
Boriah, S., Chandola, V., & Kumar, V.
Venue
Proceedings of the 2008 SIAM International Conference on Data Mining
Published
2008-04-24
Pages
243-254
OpenAlex
W1562135275
Cited by
575
References
1
FWCI
11.91
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Similarity Measures for Categorical Data: A Comparative Evaluation. https://app.cochat.ai/papers/10.1137/1.9781611972788.22
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Boriah, S., Chandola, V., & Kumar, V. (2008). Similarity Measures for Categorical Data: A Comparative Evaluation. Proceedings of the 2008 SIAM International Conference on Data Mining. https://doi.org/10.1137/1.9781611972788.22

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