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Assessing Information System Acquisition and Implementation Using COBIT 4.1 in Housing Developers Dea Ramadhan; Hilyah Magdalena
Sinkron : jurnal dan penelitian teknik informatika Vol. 10 No. 3 (2026): Article Research July 2026
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v10i3.16039

Abstract

Housing development companies plan, construct, and market housing. As technology advances, information systems become crucial, especially in financial matters. However, no comprehensive analysis of financial information system implementation in this sector exists. This study employed a qualitative descriptive approach supported by quantitative assessment (mixed-method), combining observations and semi-structured interviews (qualitative) with a questionnaire-based maturity level calculation (quantitative). Data were collected from three respondents (Finance Manager, IT Staff, and Accounting Staff) directly involved in the system. The maturity level was determined using the COBIT 4.1 framework in the Acquire and Implement (AI) domain. Results show an average maturity of 3.08 Level 3 (Defined Process), meaning procedures are documented and structured. However, several subdomains remain below target AI5 gap 1.30 and AI7 gap 1.10 require improved implementation and control of financial information systems, while AI3 has the smallest gap (0.02). This study contributes to the academic community by (1) providing a detailed assessment of financial information system implementation in housing development companies, (2) identifying maturity gaps in each AI subdomain, and (3) offering practical recommendations for improving IT governance maturity. Routine maintenance, system monitoring, and infrastructure updates are still needed to ensure system stability. Overall, information systems management has not yet reached the targeted maturity level due to reliance on individuals, lack of formal training, and poor procedure communication. Continuous improvement is required to make information systems management more efficient and scalable.
Academic Chatbot for Campus Information Services Using Retrieval-Augmented Generation Haddad Alwi Yafie; Achmad Udin Zailani; Widang Muttaqin; Muhammad Sheva Atallah Daffansyah; Muhammad Rafi Ramzi
Sinkron : jurnal dan penelitian teknik informatika Vol. 10 No. 3 (2026): Article Research July 2026
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v10i3.16088

Abstract

University service centers handle many repetitive queries about academic schedules, registration, and policies stored in internal documents. Manual lookup is inefficient, and answers given by staff can be inconsistent. Rule-based chatbots only handle limited question patterns, while large language models are hard to update and may produce unsupported answers (hallucinations). This research designs an academic chatbot that combines document retrieval with answer generation so that each answer remains traceable to its source. The system extracts text from campus documents, segments it, encodes it using a multilingual embedding model, and stores it in a vector index for context retrieval. A response is generated through an instruction template that confines the output to the retrieved information and includes page references. Evaluation followed a mixed-method design: a quantitative layer measured retrieval quality (Precision@5, Recall@5) and generation quality using the four RAGAS sub-metrics (faithfulness, answer_relevancy, context_precision, context_recall) on a 100-question test set, while a qualitative layer applied thematic analysis to open-ended user comments. Statistical testing used McNemar's test for accuracy and a paired bootstrap (10,000 resamples) for retrieval metrics; 95% confidence intervals are reported. Results: the proposed RAG system achieved 84% answer accuracy (95% CI 76–90%), Precision@5 = 0.80 and Recall@5 = 0.72, with a System Usability Scale (SUS) score of 78 and a Net Promoter Score (NPS) of +32 from 30 participants. Differences in accuracy versus the lexical and LLM-only baselines were statistically significant (McNemar p < 0.05). The system offers a replicable instantiation of RAG for transparent, citation-backed campus information services in Indonesian.
Image-Based Food Classification for Nutritional Information Estimation Using Deep Learning Sahrial Ihsani Ishak; Sri Dianing Asri; Bias Yulisa Geni; Okma Arnilia; Tri Widodo; Diva Maulana Ilham
Sinkron : jurnal dan penelitian teknik informatika Vol. 10 No. 3 (2026): Article Research July 2026
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v10i3.16170

Abstract

This study aims to develop an image-based food classification application integrated with nutritional information retrieval using a deep learning approach. The proposed system is designed to recognize food types from images and provide nutritional information based on an Indonesian food nutrition database. The method involves collecting a dataset of 8,248 images representing 38 categories of Indonesian traditional foods, performing image preprocessing and data augmentation, and developing a Convolutional Neural Network (CNN) model based on the MobileNetV2 architecture through transfer learning. Model performance was evaluated using a 3-fold stratified cross-validation strategy and measured using accuracy, precision, recall, and F1-score metrics. Experimental results showed that the proposed model achieved average accuracy, precision, recall, and F1-score values of 98.85%, 98.88%, 98.85%, and 98.85%, respectively, demonstrating robust and consistent classification performance across the validation folds. The trained model was subsequently deployed into a mobile application using TensorFlow Lite to support real-time food classification and nutritional information presentation. The main contribution of this study is the development of an end-to-end mobile system that integrates deep learning-based food classification with an Indonesian food nutrition database, enabling users to obtain calorie, protein, fat, and carbohydrate information quickly and conveniently for dietary monitoring and health awareness.  
ANALISIS INFORMATION POVERTY DAN REKONSTRUKSI SOSIAL-EKONOMI NELAYAN MELAYU PESISIR KECAMATAN MENDAHARA M. Rizal Pahlefi
JAMBE: Jurnal Sejarah Peradaban Islam Vol. 8 No. 2 (2026): JAMBE: Jurnal Sejarah Peradaban Islam
Publisher : Jurusan Sejarah Peradaban Islam Fakultas Adab dan Humaniora UIN Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/jambe.v8i2.309

Abstract

Sistem patron-klien antara nelayan pesisir Melayu dan tengkulak telah berlangsung lama secara historis dan menciptakan kemiskinan struktural yang sulit diputus. Artikel ini bertujuan untuk menganalisis bagaimana relasi kuasa ekonomi tersebut langgeng melalui fenomena kemiskinan informasi (information poverty) serta bagaimana rekonstruksi sosial-ekonomi dapat dilakukan berbasis nilai kebudayaan Islam. Menggunakan pendekatan kualitatif dengan metode studi kasus kritis, data dikumpulkan melalui wawancara mendalam terhadap nelayan di Kecamatan Mendahara, observasi partisipatif, dan analisis dokumen historis. Hasil penelitian menunjukkan bahwa tengkulak mempertahankan monopolinya melalui taktik asimetri informasi, di mana nelayan sengaja diisolasi dari informasi harga pasar riil, regulasi bantuan pemerintah, dan alternatif pembiayaan syariah. Secara historis-kultural, ikatan utang dianggap sebagai jaminan sosial normatif dalam masyarakat Melayu, meskipun bertentangan dengan prinsip keadilan ekonomi (‘adalah) dalam Islam. Sebagai solusi, artikel ini merumuskan model Community Information Center (Pusat Informasi Komunitas) berbasis masjid pesisir yang mengintegrasikan literasi informasi keuangan dengan sistem pembiayaan mikro syariah (BMT). Melalui model ini, ketergantungan nelayan terhadap tengkulak dapat dikikis secara bertahap melalui pemenuhan hak akses informasi ekonomi.
Analysis Design and Development of a Web-Based Human Resource Information System Using Agile Methodology at CV XYZ Stefanie Quinevera; Desta Ovilini; Desiana Dian Malasari
SIMAK Vol. 24 No. 01 (2026): Jurnal Sistem Informasi, Manajemen, dan Akuntansi (SIMAK)
Publisher : Faculty of Economics dan Business, Atma Jaya Makassar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35129/simak.v24i01.678

Abstract

This study aims to analyze and design a web-based Human Resource Information System (HRIS) at CV XYZ, a company engaged in the distribution of fast moving consumer goods. The current human resource management process is still conducted manually, leading to inefficiencies, data inconsistencies, and delays in report generation. Data were collected through interviews, observation, documentation review, and literature study. The collected data were analyzed using a descriptive analysis approach to identify system requirements and existing problems. The system was developed using the Agile software development approach and modeled using Unified Modeling Language (UML). The results of this study produce an integrated HRIS that supports employee data management, attendance, payroll, leave, and shift scheduling within a single platform. The proposed system provides a structured solution for managing human resource data and demonstrates the potential to improve efficiency, accuracy, and accessibility of information. The system can also serve as a reference model for similar organizations facing comparable human resource management challenges.
The Effect of Hospital Management Information System and Good Clinical Governance on The Effectiveness of Health Services with Internal Control as A Moderating Variable at Hikmah Hospital, Makassar Nurul Auliah; Marwah Yusuf; Dahniyar Daud
SIMAK Vol. 24 No. 01 (2026): Jurnal Sistem Informasi, Manajemen, dan Akuntansi (SIMAK)
Publisher : Faculty of Economics dan Business, Atma Jaya Makassar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35129/simak.v24i01.706

Abstract

This study aims to examine the influence of hospital management information systems and good clinical governance on the effectiveness of health services with internal control as a moderating variable at Hikmah Makassar Hospital. The population in this study was all employees of the Hikmah Hospital in Makassar City totaling 173 employees. Meanwhile, in determining the sample, we used several sample determination criteria so that the total sample in this study was 77 respondents. This research uses primary data by conducting direct research in the field, by giving questionnaires/statement sheets to 77 respondents. The data analysis method used is intervening analysis with the help of the Smart PLS application. Research results show that: partially that: Hospital Management Information Systems have a positive and significant effect on the effectiveness of health services in hospitals. Good Clinical Governance has a positive and significant effect on the effectiveness of health services in hospitals. Internal Control is able to moderate the Hospital Management Information System on the effectiveness of health services at the Hospital and Internal Control is able to moderate Good Clinical Governance on the effectiveness of health services in hospitals.
Effectiveness of the Instagram Media @Zonakalakkaro.Id_New in Meeting the Information Needs of the Karo People Rakhas Djuniardi; Anang Anas Azhar; Abdullah Abdullah
Syiar: Jurnal Komunikasi dan Penyiaran Islam Vol. 6 No. 1 (2026): Syiar: Jurnal Komunikasi dan Penyiaran Islam
Publisher : STAI Publisistik Thawalib Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54150/syiar.v6i1.1146

Abstract

The research problem addresses the effectiveness of the Instagram account @zonakalakkaro.id_new in meeting the information needs of the Karo ethnic group, as well as disseminating digital cultural information and local news. This study aims to analyze the effectiveness of @zonakalakkaro.id_new in fulfilling the information needs of the Karo people and to identify the most frequently sought-after information. Using a qualitative descriptive method with a case study approach, data were gathered through interviews, observations, and documentation, and analyzed using data reduction, data display, and conclusion drawing. The results indicate that the Instagram account @zonakalakkaro.id_new effectively meets the information needs of the Karo people in Karo Regency. The most highly sought-after information includes traffic conditions, accidents, crime, local culture, and regional tourism promotion. Fast, relevant, engaging, and easy-to-understand content presentation increases public trust in the account as a primary source of information. Beyond delivering breaking news, this account also functions as a cultural education medium that strengthens the identity of the Karo people. The younger generation utilizes this account due to its easy accessibility via social media, thereby supporting information dissemination, cultural preservation, and fostering sustainable community relations. Conclusion: The Instagram account @zonakalakkaro.id_new is effective in meeting the information needs of the Karo people while strengthening cultural education, local identity, and public trust. This research contributes to the development of digital communication and the preservation of Karo culture, serving as a reference for managing social media based on local community needs.
Pengaruh Pemanfaatan Teknologi Informasi Dan Komunikasi Terhadap Motivasi Belajar: The Effect of Information Technology Utilization and Communication on Study Motivation Ade S. Permadi; Arna Purtina; Muhammad Jailani
Tunas: Jurnal Pendidikan Guru Sekolah Dasar Vol. 6 No. 1 (2020): Tunas: Jurnal Pendidikan Guru Sekolah Dasar
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/tunas.v6i1.2071

Abstract

Penelitian ini bertujuan untuk mengkaji kembali bagaimana pengaruh pemanfaatan teknologi informasi dan komunikasi terhadap motivasi belajar siswa di SMA Muhammadiyah 1 Palangkaraya. Penelitian ini terdiri dari 2 variabel yaitu satu variable dependen dan satu variable independen. Variabel independen dalam penelitian ini adalah pemanfaatan teknologi informasi dan komunikasi, sedangkan variable dependen dalam penelitian ini adalah motivasi belajar siswa. Berdasarkan hasil observasi dan dokumentasi yang dilakukan peneliti pada studi awal penelitian, dapat diketahui bahwa populasi dalam penelitian adalah sebanyak 316 orang siswa di SMA Muhammadiyah 1 Palangkaraya. Penentuan sampel yang digunakan dalam penelitian ini adalah dengan menggunakan teknik simple random sampling. Penarikan jumlah sampel dihitung dengan menggunakan tabel penentuan jumlah sampel dari populasi yang dikembangkan oleh Isaac dan Michael dengan derajat kesalahan yaitu 5%. Pendekatan dalam penelitian kuantitatif dengan model penelitian yang bersifat expost facto. Disebut penelitian expost facto karena peneliti berhubungan dengan variabel yang telah terjadi dan tidak perlu memberikan perlakuan terhadap variabel yang diteliti. Hasil hipotesis tentang pemanfaatan teknologi dan informasi (X) terhadap motivasi belajar siswa (Y) melalui uji statistic dengan menggunakan program SPSS dalam penelitian ini memperoleh nilai sig. 0,01 < 0,05 yang berarti bahwa pemnafaatan teknologi dan informasi (X) berpengaruh terhadap motivasi belajar siswa (Y), sehingga dapat disimpulkan bahwa hipotesis penelitian diterima.
Utilization of Booklet Media in Providing Information Services for Students' Understanding of Career Choice Mimi Suriatie; Ramadhanti Rizka; Oktamia Karuniaty Sangalang
Tunas: Jurnal Pendidikan Guru Sekolah Dasar Vol. 10 No. 2 (2025): Tunas: Jurnal Pendidikan Guru Sekolah Dasar
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/tunas.v10i2.10029

Abstract

This study is an experimental research using the "One Group Pre-Test and Post-Test Design." The population of the study consisted of all 35 students in class XII MIPA 4 at MAN Kota Palangka Raya. The study used a sample selected through purposive sampling, a non-random sampling technique based on specific criteria or objectives. In this case, the targeted objective was students who were categorized as having low understanding of career decision-making. According to Arikunto (2017), if the subject number is fewer than 100, the entire population can be used as the sample. Therefore, the researcher used the entire population as the sample, since it was fewer than 100 students. The main data collection technique used by the researcher was a questionnaire distributed to assess the improvement in students’ understanding of career choices after being given informational services. Data analysis was conducted using parametric statistics through the Kolmogorov-Smirnov test, with the help of the SPSS version 25 statistical software, since the data was normally distributed. The researcher drew conclusions based on statistical results. The research findings showed that the result of the t-test using the Paired Sample t-Test was sig. 0.000 < 0.05, and the calculated t-value (tcount) was greater than the table value (ttable), namely 10.822 > 2.052. Thus, the null hypothesis (Ho) was rejected and the alternative hypothesis (Ha) was accepted. Therefore, it can be concluded that the use of booklet media can assist students in understanding career choices in class XII MIPA 4 at MAN Kota Palangka Raya.
A Geographic Information System Mobile Application for Road Traffic Crash Data Collection, Management and Analysis Jude Ubaka Odinfono; Manuel Ndebele; Adekunle Oluseyi Afolabi; Moses Olaniran Olawole
Journal of Geospatial Science and Technology Vol 4 No 1 (2026): Journal of Geospatial Science and Technology
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgst.v4i1.29579

Abstract

The study addressed the issue of road traffic crashes in developing countries like Nigeria by developing a mobile app called Geographic Information System-Road Traffic Crash Data (GIS-RTCD). The app developed and tested in Southwest Nigeria is designed to transform the collection and management of real-time road traffic crash data by replacing the traditional paper-based method known for its imprecise, missing, contradictory, and disparate data. The app, accessible on Android and iPhone platforms, uses an Epicollect5-implemented mobile user interface, web server, PostgreSQL-based database, Apache Tomcat/Geoserver application/GIS server, and OpenLayers-implemented web service for map data visualization. The app provides precise crash location determination through GPS/geospatial mapping, digitally structures data collection, prevents data duplication, and eliminates labour-intensive tasks associated with manual data processing. The study recommends replacing manual crash data recording systems in Nigeria with the GIS-RTCD app to standardize crash data records and enhance comprehensive data collection for national analysis and research.

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