Volume 5 Number 11 (Nov. 2010)
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JSW 2010 Vol.5(11): 1262-1269 ISSN: 1796-217X
doi: 10.4304/jsw.5.11.1262-1269

A Survey of Distance Metrics for Nominal Attributes

Chaoqun Li and Hongwei Li
Department of Mathematics, China University of Geosciences, Wuhan, Hubei, China 430074

Abstract—Many distance-related algorithms, such as knearest neighbor learning algorithms, locally weighted learning algorithms etc, depend upon a good distance metric to be successful. In this kind of algorithms, a key problem is how to measure the distance between each pair of instances. In this paper, we provide a survey on distance metrics for nominal attributes, including some basic distance metrics and their improvements based on attribute weighting and attribute selection. The experimental results on the whole 36 UCI datasets published on the main web site of Weka platform validate their effectiveness.

Index Terms—distance metric, attribute weighting, attribute selection, nominal attributes, classification.


Cite: Chaoqun Li and Hongwei Li, "A Survey of Distance Metrics for Nominal Attributes," Journal of Software vol. 5, no. 11, pp. 1262-1269, 2010.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, Google Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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