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Menampilkan 11–20 dari 350 artikel
Evaluating Civil Servant Selection through Machine Learning Analysis of National Insight, General Intelligence, and Personal Characteristics Test Scores
This study analyzes the score distribution of 2,490 candidates in the 2024 Ministry of Finance Public sector recruitment, focusing on the CNI, GIT, and PCT sections using machine learning classification. Models used include Logistic Regression (accuracy 0.7897), Random Forest (0.9779), and XGBoost (0.9809), all trained with default parameters (n_estimators=100, max_depth=None) and evaluated using accuracy, precision, recall, and F1-score. While ensemble models outperformed Logistic Regression, t...
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Oligonuclear Cobalt Assembly with Schiff-base Ligands
In order to develop molecular magnetic compounds, oligonuclear cobalt complexes with Schiff-base ligands, 1,3-bis(salicylideneamino)-2-propanol (H3salpr), 1,3-bis(5-chlorosalicylideneamino)-2-propanol (H3clsalpr), 1,3-bis(5-bromosalicylideneamino)-2-propanol (H3brsalpr), and 1,3-bis(5-nitrosalicylideneamino)-2-propanol (H3pnsalpr), were synthesized by reaction of cobalt(II) acetate and Schiff-base ligand in organic solvent. The molecular structures of [CoII{CoIII(µ-HL)(µ-CH3COO)(CH3COO)}2] (HL =...
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Portfolio Risk Assessment Using VaR and CVaR: A Comparative Study of Variance–Covariance Method and Monte Carlo Simulation
Telematika
Vol 19
, No 1
(2026)
This study examines portfolio risk in Indonesia’s energy sector by applying Value at Risk (VaR) and Conditional Value at Risk (CVaR) under the Variance–Covariance and Monte Carlo Simulation approaches. The analysis focuses on ten stocks from the oil and gas as well as coal subsectors listed on the Indonesia Stock Exchange (IDX), using monthly closing price data from January 2020 to December 2024. A Weighted Scoring Method (WSM) is first employed to select stocks with superior fundamentals and li...
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Implementasi Kepemimpinan Integratif Berbasis Nilai Profetik: Studi Analitis Gaya Transformasional, Instruksional, dan Servant di SMA Muhammadiyah PK Kottabarat Surakarta
Jurnal Riset sosial humaniora, dan Pendidikan (Soshumdik)
Vol 5
, No 1
(2026)
The principal’s leadership plays a strategic role in determining the direction and quality of educational implementation in schools. This study aims to analyze the implementation of integrative leadership based on prophetic values through the application of transformational, instructional, and servant leadership styles at SMA Muhammadiyah PK Kottabarat Surakarta. Islamic-based schools face challenges in integrating academic excellence with the development of religious character; therefore, a lea...
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Immersive Interventions for Dementia: A Narrative Review of Virtual Reality's Role in Therapy, Well-Being, and Future Care Models
Journal of Computing Theories and Applications
Vol 3
, No 3
(2026)
Dementia is a progressive neurocognitive disorder often accompanied by behavioral and psychological symptoms such as agitation, anxiety, and depression. Pharmacological treatments provide only modest benefits while introducing significant risks, which highlights the need for safer, non-pharmacological alternatives. This literature review examines the role of virtual reality in dementia care, with a focus on its integration with therapies such as music, reminiscence, sensory stimulation, and cogn...
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Development of an Early Childhood Education Curriculum Model to Build Traffic Discipline Awareness Through a Musical Arts Approach
Paudia
Vol 15
, No 1
(2026)
Character education should teach kids about traffic discipline from a young age to lower the chance of accidents and help them become more socially responsible. This study seeks to build a cohesive curriculum model for early childhood education centred on character development through music education to promote traffic discipline. The research employed a systematic literature review in accordance with the PRISMA procedure, encompassing the stages of identification, screening, eligibility evaluat...
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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
PENGARUH GAYA KEPEMIMPINAN, MOTIVASI KERJA DAN BUDAYA ORGANISASI TERHADAP KINERJA KARYAWAN STIE TOTALWIN SEMARANG
Probisnis
Vol 19
, No 1
(2026)
Penelitian ini bertujuan untuk menganalisis pengaruh gaya kepemimpinan, motivasi kerja, dan budaya organisasi terhadap kinerja karyawan di STIE Totalwin Semarang. Penelitian ini menggunakan pendekatan kuantitatif dengan metode survei. Teknik pengumpulan data dilakukan melalui penyebaran kuesioner kepada karyawan STIE Totalwin Semarang. Analisis data menggunakan analisis regresi linier berganda dengan bantuan software SPSS. Hasil penelitian menunjukkan bahwa gaya kepemimpinan, motivasi kerja, dan...
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Graph-Theoretical Approach to Clusters – Analysis of Clusters with 5–11 Vertices –
Sekine, Rika
; Hayakawa, Shogo
; Taki, Sota
; Sato, Moemi
; Ikegaya, Haruki
; Kimura, Hiroto
; Nakata, Tomoya
; Murono, Ayumi
; Kobayashi, Yosuke
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 8
, No 1
(2026)
In this study, we systematically analyzed all isomers of 5–11 atom clusters using a graph-theoretical approach and evaluated their maximum Hückel energy (HE) within the Hückel approximation. The maximum HE increased with the number of bonds, reached a maximum at an intermediate value, and then decreased again, with the peak located near the average of the minimum and maximum possible edge numbers. This relationship was well reproduced by a simple linear expression. The isomers with maximum HE we...
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Optimalisasi Ruang Terbuka Hijau Melalui Pendekatan Desain Lanskap Berbasis Masyarakat
Jurnal Suara Pengabdian 45
Vol 5
, No 1
(2026)
Pemanfaatan lahan kosong di wilayah perdesaan sering kali belum optimal akibat rendahnya pemahaman masyarakat terhadap fungsi ruang terbuka hijau dan konsep desain lanskap. Desa Suka Makmur, Kabupaten Pohuwato, merupakan salah satu wilayah yang memiliki lahan terbuka cukup luas namun berada dalam kondisi gersang dan belum tertata. Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan pemahaman masyarakat mengenai pemanfaatan lahan kosong melalui sosialisasi dan edukasi desain lanskap r...
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