Developing Interval-Based Cost-Sensitive Classifiers by Genetic Programming for Binary High-Dimensional Unbalanced Classification [Research Frontier]
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- @Article{Pei:2021:CIM,
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author = "Wenbin Pei and Bing Xue and Lin Shang and
Mengjie Zhang",
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title = "Developing Interval-Based Cost-Sensitive Classifiers
by Genetic Programming for Binary High-Dimensional
Unbalanced Classification [Research Frontier]",
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journal = "IEEE Computational Intelligence Magazine",
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year = "2021",
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volume = "16",
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number = "1",
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pages = "84--98",
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abstract = "Cost-sensitive learning is a popular approach to
addressing the problem of class imbalance for many
classification algorithms in machine learning. However,
most cost-sensitive algorithms are dependent on
manually designed cost matrices. Unfortunately, in many
cases, it is often not easy for humans, even experts,
to accurately specify misclassification costs for
different mistakes due to the lack of domain knowledge
related to actual situations in some complex unbalanced
problems. As a result, these cost-sensitive algorithms
cannot be directly applied. This paper proposes a new
genetic programmingbased approach to developing
cost-sensitive classifiers that are independent of
manually designed cost matrices. The proposed method is
able to construct classifiers and learn cost intervals
automatically and simultaneously. In the proposed
method, a tree representation, terminal sets and
function sets are designed and developed. We examine
the effectiveness of the proposed method on ten
high-dimensional unbalanced datasets. The experimental
results show that the proposed method often outperforms
compared methods for highdimensional unbalanced
classification. Furthermore, according to the analysis
of evolved trees, the constructed classifiers often
only need a small number of features to achieve a good
classification performance.",
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keywords = "genetic algorithms, genetic programming, Machine
learning algorithms, Machine learning, Classification
algorithms",
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DOI = "doi:10.1109/MCI.2020.3039070",
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ISSN = "1556-6048",
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month = feb,
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notes = "Also known as \cite{9321765}",
- }
Genetic Programming entries for
Wenbin Pei
Bing Xue
Lin Shang
Mengjie Zhang
Citations