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Activity Number: 166
Type: Invited
Date/Time: Monday, August 4, 2008 : 2:00 PM to 3:50 PM
Sponsor: Biometrics Section
Abstract - #300155
Title: Large Margin Hierarchical Classification
Author(s): Huxiang Wang and Xiaotong Shen*+ and Wei Pan
Companies: The University of Minnesota and The University of Minnesota and The University of Minnesota
Address: School of Statistics, Minneapolis, MN, 55455,
Keywords:
Abstract:

In this talk, we will present a large margin method for hierarchical classification. The main focus here is to utilize the inter-class dependency to improve the classification performance of flat classification. In such a situation, flat classification is infeasible in the presence of a large number of classes, which occurs often in gene function discovery. Various hierarchical losses will be discussed, in addition to some numerical examples in gene function prediction.


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Revised September, 2008