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INDONESIA
Jurnal Sistem Informasi dan Informatika (SIMIKA)
Published by Universitas Banten Jaya
ISSN : 26226901     EISSN : 26226375     DOI : 10.47080
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering
Jurnal Sistem Informasi dan Informatika aims to provide scientific literature specifically on studies of applied research in information systems (IS), information technology (IT) and public review of the development of theory, method, and applied sciences related to the subject.
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 202 Documents
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MODEL KUANTITATIF ADITIF UNTUK EVALUASI EFEKTIVITAS INTEGRATED MANAGEMENT SYSTEM BERBASIS MULTI-STANDAR ISO Nungky Chandra; Mohamad Yusuf; Siti Maesaroh
Jurnal Sistem Informasi dan Informatika (Simika) Vol. 9 No. 2 (2026): Jurnal Sistem Informasi dan Informatika (Simika)
Publisher : Program Studi Sistem Informasi, Universitas Banten Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/simika.v9i2.4711

Abstract

Organizations that hold certifications against several ISO management system standards increasingly face duplicated compliance costs and audit fatigue, yet the central Annex SL claim that integration yields more than the sum of individual standards has rarely been tested using formal interaction terms. Existing studies remain largely qualitative or model integration as a single latent construct, leaving the individual, integrative, and synergistic contributions of multiple standards to IMS effectiveness quantitatively unspecified. This study develops and validates a quantitative additive model grounded in the Annex SL framework to evaluate IMS effectiveness across ISO 9001, ISO/IEC 27001, ISO/IEC 27701, ISO 22301, and ISO/IEC 20000-1. The model introduces a Tiered Integration Weight (λk = 1 + 0.10·ln k) that represents diminishing integration benefits as the number of integrated standards increases, separates integrable (approximately 60%) from non-integrable (approximately 40%) requirement elements, and incorporates pairwise interaction terms to capture synergy. Validation was conducted through a numerical simulation of 100 organizational profiles whose parameters were calibrated to reported characteristics of multi-standard adopters; no field survey data were collected at this stage. The simulated data were estimated using hierarchical regression. All five direct effects are positive and significant (p < 0.001). Adding the interaction terms raises the coefficient of determination from R² = 0.917 to R² = 0.938 (ΔR² = 0.021; F-change(4, 88) = 7.438; p < 0.001). The strongest synergy occurs in the ISO/IEC 27001 × ISO/IEC 27701 pair (β = 1.544; p < 0.001), while the other three pairs are not significant, indicating that synergy is selective rather than automatic. Subgroup analysis shows that this synergy is stronger in younger firms (β = 2.560) than in large mature firms (β = 0.839). The study contributes a replicable quantitative framework that distinguishes integrable from non-integrable factors; empirical validation using field data is the next stage of this research.
SISTEM PENDUKUNG KEPUTUSAN KELAYAKAN PINJAMAN ANGGOTA KOPERASI MENGGUNAKAN METODE WEIGHTED PRODUCT (STUDI KASUS: KOPERASI WARGA ALKHARIYAH MADANI) Ely Nuryani; Bela Noviyanti; Widyawati Widyawati; Persis Haryo Winasis; Masum Masum; Waliadi Gunawan
Jurnal Sistem Informasi dan Informatika (Simika) Vol. 9 No. 2 (2026): Jurnal Sistem Informasi dan Informatika (Simika)
Publisher : Program Studi Sistem Informasi, Universitas Banten Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/simika.v9i2.4861

Abstract

Cooperatives play a strategic role in supporting the Indonesian economy, particularly through savings and loan programs aimed at improving the welfare of their members. One cooperative active in this area is the Alkhariyah Madani Residents' Cooperative in Panosogan Village, Cikeusal District, Serang Regency. However, this cooperative faces challenges in determining which members are eligible for priority loans. This is because the selection process is still carried out conventionally without the support of a technology-based system, is subjective, and prone to errors. This can lead to inaccurate decisions, the risk of bad debts, and injustice for members. This study aims to create a Decision Support System (DSS) that can assist cooperatives in determining which members are eligible and eligible for priority loans more efficiently, objectively, and transparently. This system uses the Weighted Product (WP) method and is developed with a prototype method approach, which allows for multi-criteria evaluation based on the weighted importance of each criterion. Based on the implementation and testing results of 5 candidate alternatives across 5 weighted criteria (application order, income, loan amount, loan duration, and age), the WP method successfully identified Alternative A2 as the top-priority loan candidate with the highest preference score of 0.26186. Black Box testing confirmed that all system functionalities operated as expected. Thus, this system provides an objective, transparent, and accurate decision-making tool for cooperative management. Thus, this system provides a practical solution for cooperatives in managing loans and has the potential to be implemented in other cooperatives facing similar problems.

Page 21 of 21 | Total Record : 202

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