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http://dx.doi.org/10.3745/KIPSTB.2006.13B.2.127

A New Incremental Instance-Based Learning Using Recursive Partitioning  

Han Jin-Chul (명지대학교 산업기술연구소)
Kim Sang-Kwi (명지대학교 컴퓨터공학과)
Yoon Chung-Hwa (명지대학교 컴퓨터공학과)
Abstract
K-NN (k-Nearest Neighbors), which is a well-known instance-based learning algorithm, simply stores entire training patterns in memory, and uses a distance function to classify a test pattern. K-NN is proven to show satisfactory performance, but it is notorious formemory usage and lengthy computation. Various studies have been found in the literature in order to minimize memory usage and computation time, and NGE (Nested Generalized Exemplar) theory is one of them. In this paper, we propose RPA (Recursive Partition Averaging) and IRPA (Incremental RPA) which is an incremental version of RPA. RPA partitions the entire pattern space recursively, and generates representatives from each partition. Also, due to the fact that RPA is prone to produce excessive number of partitions as the number of features in a pattern increases, we present IRPA which reduces the number of representative patterns by processing the training set in an incremental manner. Our proposed methods have been successfully shown to exhibit comparable performance to k-NN with a lot less number of patterns and better result than EACH system which implements the NGE theory.
Keywords
Memory-Based Reasoning; Instance-Based Learning; Incremental Learning Algorithm;
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Times Cited By KSCI : 1  (Citation Analysis)
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