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Menampilkan 21–30 dari 38 artikel
Effects of Data Resampling on Predicting Customer Churn via a Comparative Tree-based Random Forest and XGBoost
Ako, Rita Erhovwo
; Aghware, Fidelis Obukohwo
; Okpor, Margaret Dumebi
; Akazue, Maureen Ifeanyi
; Yoro, Rume Elizabeth
; Ojugo, Arnold Adimabua
; Setiadi, De Rosal Ignatius Moses
; Odiakaose, Chris Chukwufunaya
; Abere, Reuben Akporube
; Emordi, Frances Uche
; Geteloma, Victor Ochuko
; Ejeh, Patrick Ogholuwarami
Journal of Computing Theories and Applications
Vol 2
, No 1
(2024)
Customer attrition has become the focus of many businesses today – since the online market space has continued to proffer customers, various choices and alternatives to goods, services, and products for their monies. Businesses must seek to improve value, meet customers' teething demands/needs, enhance their strategies toward customer retention, and better monetize. The study compares the effects of data resampling schemes on predicting customer churn for both Random Forest (RF) and XGBoost ense...
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Spatial Differentiation of the Land and Nutrient Footprints for Kampala: Implications for Urban Food Sustainability
Forum Geografi
Vol 38
, No 2
(2024)
Rapid urban growth, together with an increase in urban food demand and rural-urban food flows, effectively transfer the urban footprint to the surrounding cities. In Uganda, where fast urban growth is evident, data on the resultant foodprint is sparse. To bridge this gap in knowledge, this paper quantitatively analyses the flows of the rural-urban cooking banana (matooke) to Kampala, Uganda, and the embedded land and nutrient footprints. Food freight surveys involving interviews with food truck...
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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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BEHeDaS: A Blockchain Electronic Health Data System for Secure Medical Records Exchange
Oladele, James Kolapo
; Ojugo, Arnold Adimabua
; Odiakaose, Christopher Chukwufunaya
; Emordi, Frances Uchechukwu
; Abere, Reuben Akporube
; Nwozor, Blessing
; Ejeh, Patrick Ogholuwarami
; Geteloma, Victor Ochuko
Journal of Computing Theories and Applications
Vol 1
, No 3
(2024)
Blockchain platforms propagate into every facet, including managing medical services with professional and patient-centered applications. With its sensitive nature, record privacy has become imminent with medical services for patient diagnosis and treatments. The nature of medical records has continued to necessitate their availability, reachability, accessibility, security, mobility, and confidentiality. Challenges to these include authorized transfer of patient records on referral, security ac...
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60 Sitasi
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
The Influence of Leadership Style and Work Motivation on Employee Performance with Job Satisfaction as an Intervening Variable (Study at Prima SR Hotel & Convention Yogyakarta)
Jurnal Riset sosial humaniora, dan Pendidikan (Soshumdik)
Vol 2
, No 3
(2023)
Leadership style, motivation and job satisfaction are part of the factors which affects performance. The purpose of this study is to determine the effect leadership style and motivation on performance through job satisfaction as an intervening variable. This research is also intended to determine the effect of style leadership and motivation on performance through job satisfaction as a variable intervene directly and indirectly. This research is done to 50 employee respondents of Prima SR Hotel...
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Peningkatan Kualitas dan Kuantitas Produksi Pengrajin Jamu melalui Cara Pembuatan Obat Tradisional yang Baik (CPOTB) dan Pengemasan
Sunardi, Sunardi
; Mahayana, Argoto
; Hariyanti, Widi
; Sugiyarmasto, Sugiyarmasto
; Dzakwan, Muhammad
Adi Widya: Jurnal Pengabdian Masyarakat
Vol 7
, No 1
(2023)
Traditional medicine / herbal medicine is a product consumed by many people, so the security aspect must be maintained. In order for herbal products to be safely consumed, herbal medicine producers must understand and apply sanitation and hygiene in their production processes and packaging methods. The community service activities aim to improve the knowledge and skills of herbal medicine craftsmen about sanitation and herbal hygiene production and how to pack using continuous sealer machines. T...
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Bagaimana Kepuasan Memediasi Citra Merek Dan Pengalaman Pelanggan Terhadap Niat Beli Ulang E-Wallet OVO
CiDEA Journal
Vol 1
, No 1
(2022)
Pada saat ini dunia semakin berkembang dan kemajuan IPTEK tidak bisa dihindarkan karena hampir seluruh kehidupan berkaitan dengan teknologi. Termasuk pembayaran melalui telepon seluler telah menjadi cara pembayaran termudah, menggantikan cara pembayaran tradisional. Kemajuan teknologi menyebabkan konsumen bergantung pada seluler karena lebih cepat, lebih mudah, dan praktis untuk melakukan transaksi sehari-hari dengan menggunakan ponsel. E-wallet adalah salah satu metode yang kuat untuk melakukan...
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Wirausaha Ramah Lingkungan Berbasis Produksi Ferro Sulfat dari Limbah Besi
Sunardi, Sunardi
; Dzakwan, Muhammad
; Sugiyarmasto, Sugiyarmasto
; Mahayana, Argoto
; Sumardiyono, Sumardiyono
Adi Widya: Jurnal Pengabdian Masyarakat
Vol 6
, No 1
(2022)
Indiscriminate disposal of iron waste into waters or the environment will be harmful to human health and the environment. In this regard, there must be an understanding of how to properly utilize iron waste so that it can provide economic value along with an understanding of environmentally friendly technology-based entrepreneurship. This community service activity has the aim of providing understanding for students of SMK Tunas Nusantara Department of Industrial Chemistry by utilizing iron wast...
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