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All Journal Jurnal Masyarakat Informatika Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) Jurnal Administrasi Kesehatan Indonesia Jurnas Nasional Teknologi dan Sistem Informasi Jurnal Manajemen Kesehatan Indonesia Sistemasi: Jurnal Sistem Informasi Informatika Mulawarman: Jurnal Ilmiah Ilmu Komputer RABIT: Jurnal Teknologi dan Sistem Informasi Univrab Jurnal Kesehatan Komunitas JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jiko (Jurnal Informatika dan komputer) IJID (International Journal on Informatics for Development) Infotronik : Jurnal Teknologi Informasi dan Elektronika Jurnal Komunika : Jurnal Komunikasi, Media dan Informatika JISKa (Jurnal Informatika Sunan Kalijaga) Journal of Information Systems and Informatics Contagion: Scientific Periodical Journal of Public Health and Coastal Health Indonesian Journal of Electrical Engineering and Computer Science Journal of Nursing and Health (JNH) Akper Yakpermas Banyumas Journal of Renewable Energy, Electrical, and Computer Engineering Joutica : Journal of Informatic Unisla Journal of Fundamental Mathematics and Applications (JFMA) Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Journal of Computing Theories and Applications Indonesian Journal of Global Health Research
Aris Puji Widodo
Departemen Ilmu Komputer/Informatika, Fakultas Sain Dan Matematika, Universitas Diponegoro
Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Mathematics Nursing Physics Public Health Social Sciences Other

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Analyzing the Accuracy of Answer Sheet Data in Paper-based Test Using Decision Tree Edy Suharto; Aris Puji Widodo; Suryono Suryono
IJID (International Journal on Informatics for Development) Vol. 8 No. 1 (2019): IJID June
Publisher : Faculty of Science and Technology, Universitas Islam Negeri (UIN) Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/ijid.2019.08101

Abstract

In education quality assurance, the accuracy of test data is crucial. However, there is still a problem regarding to the possibility of incorrect data filled by test taker during paper-based test. On the contrary, this problem does not appear in computer-based test. In this study, a method was proposed in order to analyze the accuracy of answer sheet filling out in paper-based test using data mining technique. A single layer of data comprehension was added within the method instead of raw data. The results of the study were a web-based program for data pre-processing and decision tree models. There were 374 instances which were analyzed. The accuracy of answer sheet filling out attained 95.19% while the accuracy of classification varied from 99.47% to 100% depend on evaluation method chosen. This study could motivate the administrators for test improvement since it preferred computer-based test to paper-based.
TATA KELOLA TI PADA ORGANISASI KESEHATAN: TINJAUAN LITERATUR SISTEMATIS MENGENAI FRAMEWORK, TANTANGAN, DAN MANFAAT : IT GOVERNANCE IN HEALTHCARE ORGANIZATIONS: A SYSTEMATIC LITERATURE REVIEW OF FRAMEWORKS, CHALLENGES, AND BENEFITS Maharani Swastika; Taufik Akbar; Aris Puji Widodo; Kusworo Adi; Bambang Sugeng Suryatna
Rabit : Jurnal Teknologi dan Sistem Informasi Univrab Vol 11 No 1 (2026): Januari
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/rabit.v11i1.7061

Abstract

Information Technology (IT) in the healthcare sector has driven the growing need for effective IT governance to ensure the security, efficiency, and quality of healthcare services. This study provides a comprehensive review of Information Technology (IT) Governance used in the healthcare sector, particularly in hospitals, by analyzing frameworks, their implementation challenges, and evaluating their impact on service quality and operational efficiency. The method used is a systematic literature review based on PRISMA guidelines of 34 international articles published between 2020 and 2025. The sources identified that COBIT is the dominant best practice framework used to align IT with organizational goals and ensure regulatory compliance. In addition, TOGAF is relevant for auditing, risk management, and enterprise architecture design. Specialist frameworks such as blockchain are proposed for higher data security and integrity. Although these frameworks support improved patient outcomes, data security, and operational efficiency, their implementation is hampered by leadership challenges, technical (such as poor infrastructure and legacy system integration), and complex data regulatory compliance issues.
Development of A Web Based Chronic Drug Claims Management Information System Using the Fast (Framework for the Applications of Systems Thingking) Methodology Rr. Devi Noviana Setyoningsih; Cahya Tri Purnami; Antono Suryoputro Yudhy Dharmawan; Aris Puji Widodo
Indonesian Journal of Global Health Research Vol. 7 No. 6 (2025): Indonesian Journal of Global Health Research
Publisher : GLOBAL HEALTH SCIENCE GROUP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37287/ijghr.v7i6.297

Abstract

Delays of chronic drug claims caused delayed payments to the next period. The impact was disrupting the hospital's cash flow, delaying employee incentives, and creating difficulty in providing chronic drugs needed by patients. To address these operational challenges, RSUD Kajen seeks to implement a computerized drug claims information. This system will streamline processes, resolve existing inefficiencies, and improve overall patient care delivery while ensuring timely claims submission. The implementation of a computerized drug claims information system successfully facilitates claims management and improves services at RSUD Kajen.". The development of the chronic drug claims information system will be conducted using the FAST (Framework for the Applications of Systems Techniques) method. The data collection techniques employed in this research for developing the final assignment include observation, interview and literature study.  The data analysis method used is: qualitative Analysis. Qualitative analysis employs content analysis to summarize and obtain an overview of the interview and observation results, which consist primarily of qualitative data based on a conceptual framework. The results of this analysis are used to create a system design that meets users' needs. The result is a comprehensive information system that has been successfully implemented for claims management at RSUD Kajen. This information system was developed using Java programming language and MySQL database management system. System testing results demonstrate that the information system effectively accelerates the claims management process, enhances chronic drug inventory management, and generates comprehensive managerial and financial reports. A new website-based chronic drug claims management information system has been developed using the FAST method to replace the manual system. The purpose of this study is to develop a claims management information system based on user needs analysis.
Block-wise Authenticated DNA-based Image Encryption with Tamper Localization using HKDF-Derived Keys Bagus Satrio Waluyo Poetro; Kusworo Adi; Aris Puji Widodo
Journal of Computing Theories and Applications Vol. 4 No. 1 (2026): JCTA 4(1) 2026
Publisher : Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62411/jcta.16605

Abstract

Confidentiality alone cannot establish whether a medical, forensic, cloud-stored, or remotely sensed image has been modified during transmission, while a single global authentication verdict cannot identify the affected region. This paper presents a block-wise authenticated DNA-based image encryption framework that integrates a DNA-chaos confidentiality core with pre-decryption integrity verification and spatial tamper localization. An authenticated ephemeral X25519 key exchange establishes a session secret, which is expanded by HKDF-SHA256 into four transcript-bound, domain-separated subkeys for permutation, DNA operations, diffusion, and authentication. Chaotic seeds are derived from a canonical plaintext hash and block coordinates, preserving strong plaintext differential sensitivity while confining post-encryption modifications to the affected blocks. Ciphertext integrity is enforced using a block-wise encrypt-then-MAC construction with 128-bit truncated HMAC-SHA256 tags that authenticate both the canonical header and each ciphertext block. A reduction-based security argument shows that the authentication layer provides ciphertext integrity and conditionally upgrades an IND-CPA encryption core to IND-CCA security under standard HKDF and HMAC assumptions, while the confidentiality claim remains explicitly conditional on the encryption core. Experiments on 30 tuberculosis chest radiographs across five independent sessions achieved a ciphertext entropy of 7.9972, near-zero adjacent-pixel correlation, 99.61% NPCR, and 33.47% UACI. Across five representative tampering attacks, the proposed framework achieved an observed 100% block-level true-positive rate, 0% false-positive rate, and required only 2.847 ± 0.258 ms for block-wise authentication with 6.25% tag overhead using the default 16×16 block configuration. These results demonstrate that the proposed framework effectively combines statistical confidentiality, modern cryptographic key management, and reliable block-level tamper localization within a unified authenticated image encryption architecture.
COBIT 2019 Framework in IT Governance: A Systematic Literature Review of Implementation Challenges and Benefits Across Various Industry Sectors Muhammad Deagama Surya Antariksa; Maria Perangin Angin; Aris Puji Widodo
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 5 No. 1 (2025): March 2025
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v5i1.19501

Abstract

Information technology (IT) governance is a critical factor in ensuring that IT investments align with business objectives, improve operational efficiency, and mitigate risks across various industries. COBIT 2019, a widely used IT governance framework, has been adopted in numerous sectors to address these needs. This study explores the implementation of COBIT 2019 by conducting a systematic literature review (SLR) of 23 relevant articles published between 2020 and 2024, sourced from internationally indexed journals. The research focuses on identifying the challenges, benefits, success factors, and strategies to mitigate the issues encountered during the implementation of COBIT 2019. The findings indicate that COBIT 2019 has been successfully applied in diverse industries such as education, healthcare, logistics, and mineral mining, demonstrating its flexibility and adaptability to different organizational contexts. Key benefits include improved alignment of IT with business strategies, enhanced risk management, better resource optimization, and increased operational efficiency. However, challenges such as the complexity of the framework, limited resources, and a lack of understanding of the frameworks terminology have been identified. Successful implementation is largely dependent on strong management support, stakeholder engagement, and adequate resource allocation. Mitigation strategies such as ongoing training, development of comprehensive communication plans, and regular evaluation of IT governance practices have been suggested to overcome these challenges. This study provides practical insights into the implementation of COBIT 2019, offering organizations guidance on maximizing its benefits while addressing the barriers to successful implementation.
Transformasi Digital dengan Pengembangan Enterprise Architecture pada Layanan Kesehatan Nindyaistia; Aris Puji Widodo; Dinar M K Nugraheni; Kurniawan Widodo
Joutica Vol 11 No 1 (2026): MARET
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jti.v11i1.1643

Abstract

Rumah sakit setiap hari menangani data dalam jumlah sangat besar, namun mayoritas melakukan pengolahan data manual. Penerapan sistem-teknologi informasi diharapkan dapat meningkatkan efisiensi dan mutu pelayanan pasien, namun seringkali hanya berfungsi sebagai tempat penyimpanan data, belum mendukung pencapaian tujuan strategis organisasi. Implementasi sistem informasi rumah sakit sering dilakukan tanpa acuan arsitektur organisasi (enterprise architecture) yang terstruktur. Kondisi ini menyebabkan berbagai permasalahan seperti redundansi data, ketidaksesuaian alur kerja klinis, inefisiensi operasional, serta ketidakselarasan antara tujuan strategis, proses layanan kesehatan, dengan sistem-teknologi informasi. Penelitian sebelumnya menunjukkan pentingnya enterprise architecture dalam menyelaraskan proses bisnis dengan sistem-teknologi informasi, namun penerapan spesifik di rumah sakit masih terbatas. Penelitian ini bertujuan merancang arsitektur organisasi yang dapat meningkatkan keselarasan antara strategi dan proses bisnis rumah sakit dengan sistem-teknologi informasi yang digunakan. Penelitian menggunakan pendekatan Design Science Research (DSR). Artefak yang dihasilkan berupa model enterprise architecture rumah sakit yang disusun sesuai dengan lapisan arsitektur TOGAF, mengacu kerangka reference architecture rumah sakit, serta dimodelkan menggunakan ArchiMate. Arsitektur yang dihasilkan mencakup arsitektur bisnis, sistem informasi, dan teknologi. Hasil penelitian menunjukkan bahwa penyusunan arsitektur organisasi membantu mengidentifikasi kelemahan pada implementasi sistem informasi, meningkatkan keselarasan antara strategi dan proses bisnis dengan sistem informasi, serta mendukung integrasi data untuk kebutuhan pelayanan, akreditasi rumah sakit, dan pelaporan program kesehatan nasional. Arsitektur yang dihasilkan juga mempermudah komunikasi antara tenaga medis, manajemen rumah sakit, dan tim teknologi dalam pengembangan dan pengelolaan sistem informasi rumah sakit
Co-Authors Abdurrahman Harits Adila Safitri Agistra Febriandi Alfajri, Willy Bima Antono Suryoputro Yudhy Dharmawan Arsep Liyenti Aulia Oktaviana Bambang Satrio Bambang Sugeng Suryatna Cahya Tri Purnami Carissa Devina Usman Chakim Annubaha Daniel Robi Sanjaya Dedi Apriyandi Dinar M K Nugraheni Dio Febrilian Tanjung Edy Suharto Eko Adi Sarwoko Eko Sediyono Endah Sri Lestari Eva Liyan Woro Ningrum Farid Farid Agushybana Gilang Muhamad Noer Gilang Muhamad Noer Guruh Aryotejo Ibrahim, Muhammad Rivani Ilham Akbar Sodik Illyin Almeito Iwan Purwanto Josua Fredy Orlando Siahaan Kurniawan Widodo Kusworo Adi Likco Desvian Herindra Lina Khasanah Linda Nuryanti Maharani Swastika Mailia Putri Utami Mailia Putri Utami Maria Perangin Angin Moh. Hasyimi Muhammad Deagama Surya Antariksa Muhammad Ikhsan Muhammad Nur Hendra Alvianto Nabiel Putra Adam Ni Kadek Armini Nindyaistia Ni’mah Akbar Habibie Novita Ariyanti Nurul Asyikin Idrus Nurul Khatimah Ismatullah Poetro, Bagus Satrio Waluyo Rahmat Gernowo Rizal Isnanto Rr. Devi Noviana Setyoningsih Sekarlangit Sekarlangit Shahnilna Fitrasha Bayastura Shinta Krisdina Sinta Nur Hidayati Sri Achadi Nugraheni Suci Larasati Suhartono, Suhartono Suryono Suryono Sutopo Patria Jati Taufik Akbar Vicoriza Vicoriza Wahyu Indri Susanti Yonathan Saputra Zahrasita Nur Indira Zati Hulwani