Rough Set Based Learning for Classification
Ishii, N.; Yamada, T.; Bao, Y.; Tanaka, H.
Tools with Artificial Intelligence, 2008. ICTAI apos;08. 20th IEEE International Conference on
Volume 2, Issue , 3-5 Nov. 2008 Page(s):97 - 104
Digital Object Identifier   10.1109/ICTAI.2008.40
Summary:The k-nearest neighbor(k-NN) is improved by applying rough set and distance functions with relearning and ensemble computations to classify data with the higher accuracy values. Then, the proposed relearning and combining ensemble computations are an effective technique for improving accuracy. We develop a new approach to combine kNN classifier based on rough set and distance functions with relearning and ensemble computations. The combining algorithm shows higher generalization accuracy, compared to other conventional algorithms. First, to improve classification accuracy, an instance-based learning method with genetic algorithm is developed. Second, additional ensemble computations are followed by the relearning. Then, rough set approach for the classification, is discussed. Experiments have been conducted on some benchmark datasets from the UCI Machine Learning Repository.

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