Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Instance-based entropy fuzzy support vector machine for imbalanced data   Imbalanced classification has been a major challenge for machine learning
because many standard classifiers mainly focus on balanced datasets and tend to
have biased results towards the majority class. We modify entropy fuzzy support
vector machine (EFSVM) and introduce instance-based entropy fuzzy support
vector machine (IEFSVM). Both EFSVM and IEFSVM use the entropy information of
k-nearest neighbors to determine the fuzzy membership value for each sample
which prioritizes the importance of each sample. IEFSVM considers the diversity
of entropy patterns for each sample when increasing the size of neighbors, k,
while EFSVM uses single entropy information of the fixed size of neighbors for
all samples. By varying k, we can reflect the component change of sample's
neighbors from near to far distance in the determination of fuzzy value
membership. Numerical experiments on 35 public and 12 real-world imbalanced
datasets are performed to validate IEFSVM and area under the receiver operating
characteristic curve (AUC) is used to compare its performance with other SVMs
and machine learning methods. IEFSVM shows a much higher AUC value for datasets
with high imbalance ratio, implying that IEFSVM is effective in dealing with
the class imbalance problem.

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The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
20
The categories of this paper are: acc-phys
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
26
The categories of this paper are: bayes-an
28
The categories of this paper are: alg-geom
11
The categories of this paper are: hep-lat
10
The categories of this paper are: q-bio