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result(s) for
"Ouahab, Mohammed"
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The Shopping Experience and its Effect on Impulsive Buying
2020
This study aims to understand the impulse buying experience, which allows us to identify the factors that contribute to the construction of a gratifying shopping experience that subsequently triggers impulse buying, the consequences that result from this experience and to propose a conceptual model explaining the content of the impulse buying experience in a longitudinal perspective. By using a qualitative approach, this study considers the opinion of 21 buyers. The results show that there are many factors that contribute to impulse buying such as atmospheric factors, motivations and emotions. The results show also the consequences and their effect on future behavioral intentions.
Journal Article
Improve malware classifiers performance using cost-sensitive learning for imbalanced dataset
2023
In recent times, malware visualization has become very popular for malware
classification in cybersecurity. Existing malware features can easily identify
known malware that have been already detected, but they cannot identify new
and infrequent malwares accurately. Moreover, deep learning algorithms
show their power in term of malware classification topic. However, we found
the use of imbalanced data; the Malimg database which contains 25 malware
families don’t have same or near number of images per class. To address these
issues, this paper proposes an effective malware classifier, based on costsensitive deep learning. When performing classification on imbalanced data, some classes get less accuracy than others. Cost-sensitive is meant to solve this issue, however in our case of 25 classes, classical cost-sensitive weights wasn’t effective is giving equal attention to all classes. The proposed approach improves the performance of malware classification, and we demonstrate this improvement using two Convolutional Neural Network models using functional and subclassing programming techniques, based on loss, accuracy, recall and precision.
Journal Article
On the Controllability of Coupled Nonlocal Partial Integrodifferential Equations Using Fractional Power Operators
by
Souid, Mohammed Said
,
Ouahab, Abdelghani
,
Huang, Zhen-You
in
Banach spaces
,
Control theory
,
Controllability
2024
In this research paper, we investigate the controllability in the α-norm of a coupled system of integrodifferential equations with state-dependent nonlocal conditions in generalized Banach spaces. We establish sufficient conditions for the system’s controllability using resolvent operator theory introduced by Grimmer, fractional power operators, and fixed-point theorems associated with generalized measures of noncompactness for condensing operators in vector Banach spaces. Finally, we present an application example to validate the proposed methodology in this research.
Journal Article