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Menampilkan 1–3 dari 3 artikel
Enhancing the Random Forest Model via Synthetic Minority Oversampling Technique for Credit-Card Fraud Detection
Aghware, Fidelis Obukohwo
; Ojugo, Arnold Adimabua
; Adigwe, Wilfred
; Odiakaose, Christopher Chukwufumaya
; Ojei, Emma Obiajulu
; Ashioba, Nwanze Chukwudi
; Okpor, Margareth Dumebi
; Geteloma, Victor Ochuko
Journal of Computing Theories and Applications
Vol 1
, No 4
(2024)
Fraudsters increasingly exploit unauthorized credit card information for financial gain, targeting un-suspecting users, especially as financial institutions expand their services to semi-urban and rural areas. This, in turn, has continued to ripple across society, causing huge financial losses and lowering user trust implications for all cardholders. Thus, banks cum financial institutions are today poised to implement fraud detection schemes. Five algorithms were trained with and without the app...
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CoSoGMIR: A Social Graph Contagion Diffusion Framework using the Movement-Interaction-Return Technique
Ojugo, Arnold Adimabua
; Ejeh, Patrick Ogholuwarami
; Akazue, Maureen Ifeanyi
; Ashioba, Nwanze Chukwudi
; Odiakaose, Christopher Chukwufunaya
; Ako, Rita Erhovwo
; Nwozor, Blessing
; Emordi, Frances Uche
Journal of Computing Theories and Applications
Vol 1
, No 2
(2023)
Besides the inherent benefits of exchanging information and interactions between nodes on a social graph, they can also become a means for the propagation of knowledge. Social graphs have also become a veritable structure for the spread of disease outbreaks. These and its set of protocols are deployed as measures to curb its widespread effects as it has also left network experts puzzled. The recent lessons from the COVID-19 pandemic continue to reiterate that diseases will always be around. Noda...
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10 Sitasi
Forging a User-Trust Memetic Modular Neural Network Card Fraud Detection Ensemble: A Pilot Study
Ojugo, Arnold Adimabua
; Akazue, Maureen Ifeanyi
; Ejeh, Patrick Ogholuwarami
; Ashioba, Nwanze Chukwudi
; Odiakaose, Christopher Chukwufunaya
; Ako, Rita Erhovwo
; Emordi, Frances Uche
Journal of Computing Theories and Applications
Vol 1
, No 2
(2023)
The advent of the Internet as an effective means for resource sharing has consequently, led to proliferation of adversaries, with unauthorized access to network resources. Adversaries achieved fraudulent activities via carefully crafted attacks of large magnitude targeted at personal gains and rewards. With the cost of over $1.3Trillion lost globally to financial crimes and the rise in such fraudulent activities vis the use of credit-cards, financial institutions and major stakeholders must begi...
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20 Sitasi