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A Novel Approach to Resource Allocation Mechanism in
Artificial Immune Recognition System: Fuzzy Resource
Allocation Mechanism and Application to Diagnosis of
Atherosclerosis Disease
Kemal Polat 1 , Sadık Kara 2 , Fatma Latifoğlu 2 , and Salih Güneş 1
1 elcuk University, Dept. of Electrical & Electronics Engineering,
42075, Konya, Turkey
kpolat@selcuk.edu.tr , sgunes@selcuk.edu.tr
2 Erciyes University, Dept. of Electronics Eng., 38039,
Kayseri, Turkey
fdirgenali@tse.org.tr , kara@erciyes.edu.tr
Abstract. Artificial Immune Recognition System (AIRS) has showed an
effective performance on several problems such as machine learning
benchmark problems and medical classification problems like breast cancer,
diabets, liver disorders classification. In this study, the resource allocation
mechanism of AIRS was changed with a new one determined by Fuzzy-Logic.
This system, named as Fuzzy-AIRS was used as a classifier in the diagnosis of
atherosclerosis, which are of great importance in medicine. The proposed sys-
tem consists of the following parts: first, we obtained features that are used as
inputs for Fuzzy-AIRS from Carotid Artery Doppler Signals using Fast Fou-
rier Transform (FFT), then these obtained inputs used as inputs in Fuzzy-
AIRS. While AIRS algorithm obtained 75% maximum classification accuracy
for 150 resources using 10-fold cross validation, Fuzzy-AIRS obtained 100%
maximum classification accuracy in the same conditions. These results show
that Fuzzy-AIRS proved that it could be used as an effective classifier for the
medical problems.
Keywords: Artificial Immune Recognition System (AIRS), Fuzzy resource al-
location mechanism, Atherosclerosis disease, Carotid artery, Fast Fourier
Transformation.
1 Introduction
Atherosclerosis is the buildup of fatty deposits called plague on the inside walls of
arteries. Plaques can grow large enough to significantly reduce the blood's flow
through an artery. As an artery becomes more and more narrowed, less blood can
flow through. The artery may also become less elastic (called "hardening of the arter-
ies"). Atherosclerosis is the main cause of a group of cardiovascular diseases [1].
 
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