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Handling continuous attributes in an evolutionary inductive learner

delete2005-02-01
delete9
PRE
AI
F
Federico Divina
E
Elena Marchiori
DOI:10.1109/TEVC.2004.837752delete
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摘要

摘要

En 中文
This paper analyzes experimentally discretization algorithms for handling continuous attributes in evolutionary learning. We consider a learning system that induces a set of rules in a fragment of first-order logic (evolutionary inductive logic programming), and introduce a method where a given discretization algorithm is used to generate initial inequalities, which describe subranges of attributes' values. Mutation operators exploiting information on the class label of the examples (supervised discretization) are used during the learning process for refining inequalities. The evolutionary learning system is used as a platform for testing experimentally four algorithms: two variants of the proposed method, a popular supervised discretization algorithm applied prior to induction, and a discretization method which does not use information on the class labels of the examples (unsupervised discretization). Results of experiments conducted on artificial and real life datasets suggest that the proposed method provides an effective and robust technique for handling continuous attributes by means of inequalities.
Keyword:
discretization
evolutionary computation
inductive concept learning (ICL)

期刊

IEEE Transactions on Evolutionary Computation 封面图
IEEE Transactions on Evolutionary Computation
IF:
12
论文数:
1.9K
被引数:
2.4W

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