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Menampilkan 1–3 dari 3 artikel
A Graph-Augmented Isolation Forest Using Node2Vec and GraphSAGE for Mobile User Behavior Anomaly Detection
Amaka Patience Binitie
; Sunny Innocent Onyemenem
; Nneamaka Christiana Anujeonye
; Arnold Adimabua Ojugo
; Francesca Avwuru Egbokhare
; Tabitha Chukwudi Aghaunor
Journal of Computing Theories and Applications
Vol 3
, No 3
(2026)
This study presents a Graph-Augmented Isolation Forest (GAIF), an unsupervised anomaly-detection framework for analyzing mobile user behavior. The proposed framework represents users and behavioral attributes as a user–feature bipartite graph, enabling the capture of relational dependencies that are not explicitly modeled in conventional vector-based approaches. Low-dimensional user representations are learned through Node2Vec and Graph Sample and Aggregate (GraphSAGE), and the resulting embeddi...
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1 Sitasi
Investigating a SMOTE-Tomek Boosted Stacked Learning Scheme for Phishing Website Detection: A Pilot Study
Ugbotu, Eferhire Valentine
; Emordi, Frances Uchechukwu
; Ugboh, Emeke
; Anazia, Kizito Eluemunor
; Odiakaose, Christopher Chukwufunaya
; Onoma, Paul Avwerosuoghene
; Idama, Rebecca Okeoghene
; Ojugo, Arnold Adimabua
; Geteloma, Victor Ochuko
; Oweimieotu, Amanda Enaodona
; Aghaunor, Tabitha Chukwudi
; Binitie, Amaka Patience
; Odoh, Anne
; Onochie, Chris Chukwudi
; Ezzeh, Peace Oguguo
; Eboka, Andrew Okonji
; Agboi, Joy
; Ejeh, Patrick Ogholuwarami
Journal of Computing Theories and Applications
Vol 3
, No 2
(2025)
The daily exchange of informatics over the Internet has both eased the widespread proliferation of resources to ease accessibility, availability and interoperability of accompanying devices. In addition, the recent widespread proliferation of smartphones alongside other computing devices has continued to advance features such as miniaturization, portability, data access ease, mobility, and other merits. It has also birthed adversarial attacks targeted at network infrastructures and aimed at expl...
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A simplified approach for single carrier visible light communication transceiver using off-the-shelf components
Over the past decades, the demand for high-speed data transmission has grown exponentially, necessitating broadband technology integration to satisfy the emerging data-hungry society. This concern has engendered the proposition of a simplified optical wireless transceiver module using off-the-shelf electronic devices. According to the transistor to transistor logic levels, the transmitter module was made up of a single negative-positive-negative (NPN) transistor operated as a switch to drive an...
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