Similarity Measures for Categorical Data: A Comparative Evaluation

@inproceedings{Boriah2008SimilarityMF,
  title={Similarity Measures for Categorical Data: A Comparative Evaluation},
  author={Shyam Boriah and Varun Chandola and Vipin Kumar},
  booktitle={SDM},
  year={2008}
}
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… CONTINUE READING

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