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Classification of Medical Complaints: Comparative Analysis of Machine Learning Algorithms with Determination of Dominant Factors Using Information Gain Catherine Santoso Prasetya; Sena, I Gede Wiarta Sena; Matthew Austen Fernando
Indonesian Journal of Information Systems Vol. 8 No. 2 (2026): February 2026
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v8i2.13128

Abstract

This research compares three machine learning algorithms: Random Forest (RF), Decision Tree (DT), and K-Nearest Neighbors (KNN) for classifying illnesses influenced by climate, patient history, and clinical indicators. The dataset obtained from Kaggle contains 5,200 records combining meteorological and symptom data. Two pre-processing scenarios were tested to examine their impact on model performance: (1) normalization using Min-Max, and (2) normalization followed by balancing with the Synthetic Minority Over-sampling Technique (SMOTE). Results show that normalization significantly improves KNN’s performance, increasing its accuracy from 0.324 on raw data to 0.968. In the first scenario, Random Forest achieved the highest accuracy of 0.985, followed by Decision Tree with 0.974 and KNN with 0.968. After applying SMOTE, Random Forest maintained stable accuracy at 0.985, while Decision Tree and KNN slightly decreased to 0.964. These findings indicate that Random Forest is the most robust and consistent algorithm for this classification task. Furthermore, the study reveals that SMOTE does not always enhance accuracy and must be applied selectively. Information gain analysis identifies symptom features as the strongest predictors. Overall, this research provides guidance in selecting the optimal algorithm and pre-processing strategy for building effective weather-related disease classification systems. Keywords: Classification of Diseases, Decision Tree, K-Nearest Neighbors, Random Forest, SMOTE
Design and Development of an Accounting Information System Using Microsoft Access at Toko Glory Ivone; Angelica
ConCEPt - Conference on Community Engagement Project Vol. 5 No. 1 (2025): Conference on Community Engagement Project
Publisher : Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/concept.v5i1.11569

Abstract

In the business world, the application of technology plays a crucial role in ensuring that business operations run smoothly and efficiently. This community service activity focused on the design and development of a Microsoft Access-based financial recording system aimed at improving the performance and effectiveness of partner business operations, as well as supporting decision-making and strategic planning processes. The method used was a descriptive-analytical approach, which included the stages of identifying user needs, system design, testing, and evaluating the results of the implementation of the developed system. The results of the activity indicated that the system was able to assist business owners in recording financial transactions in a computerized manner, generating financial reports automatically, and minimizing errors in the recording process. The implementation of this system is expected to facilitate business owners in accurately monitoring financial conditions, increasing efficiency, and strengthening overall business management. In the future, the system can be developed by integrating the database into an online server, such as SQL Server or SharePoint, to centralize data access and improve the security and efficiency of financial information management.
THE INFLUENCE OF PRICE INFORMATION PLACEMENT AND MENU VARIETY ON CONSUMER PURCHASE INTENTION AT CAFÉ BUKIT LAGUNA BATAM Mulyadi, Tirta; Melanda
JURNAL MANAJEMEN KULINER Vol. 5 No. 1 (2026): FEBRUARI 2026
Publisher : PUSLITABMAS - BATAM TOURISM POLYTECNIC

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59193/jmn.v5i1.485

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh penempatan informasi harga dan variasi menu terhadap minat beli konsumen di Café Bukit Laguna Batam. Jenis penelitian yang digunakan adalah kuantitatif dengan metode asosiatif kausal. Data dikumpulkan melalui penyebaran kuesioner kepada konsumen yang berkunjung ke café tersebut. Analisis data dilakukan menggunakan uji validitas, reliabilitas, regresi linear berganda, serta uji hipotesis. Hasil penelitian menunjukkan bahwa penempatan informasi harga memiliki pengaruh positif dan signifikan terhadap minat beli konsumen. Selain itu, variasi menu juga memberikan pengaruh positif dan signifikan terhadap peningkatan minat beli. Dengan demikian, kedua variabel tersebut berperan penting dalam menarik perhatian dan keputusan pembelian konsumen di Café Bukit Laguna Batam.
The Influence Of Religiosity And Ease Of Use Of Information Technology On The Decision To Pay Zakat, Infak, And Sedah (Zis) At The National Zakat Amil Agency (Baznas) Of Pekanbaru City Azizul Fikri; Zulkifli; Mahyarni
Al-Kharaj: Journal of Islamic Economic and Business Vol. 8 No. 1 (2026): All articles in this issue include authors from 3 countries of origin (Indonesi
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/kharaj.v8i1.9407

Abstract

This study aims to analyze the influence of religiosity and ease of use of information technology on the decision to pay zakat, infaq, and alms (ZIS) at the National Zakat Agency (BAZNAS) of Pekanbaru City. The study uses a quantitative approach with a causal method. The study population is all muzakki who pay ZIS through BAZNAS Pekanbaru City, totaling 1,081 people, with a sample of 100 respondents determined using a purposive sampling technique. Data collection was carried out through a questionnaire with a five-level Likert scale. Data analysis used multiple linear regression analysis with the help of the SPSS program version 27.00, which was preceded by validity, reliability, and classical assumption tests. The results of the study indicate that religiosity partially has a positive and significant effect on the decision to pay ZIS, as evidenced by the calculated t value being greater than the t table at a significance level of 5 percent. Ease of use of information technology is also proven to have a positive and significant effect on the decision to pay ZIS. Simultaneously, religiosity and ease of use of information technology significantly influenced the decision to pay ZIS, with a coefficient of determination of 89.9 percent, while the remainder was influenced by other variables outside the research model. These findings indicate that the decision to pay ZIS is the result of the interaction between spiritual motivation, reflected in religiosity, and information technology support that facilitates the payment process. This research is expected to provide consideration for BAZNAS (National Agency for Zakat and National Agency for Zakat Management) in improving its ZIS collection strategy by strengthening religiosity and optimizing digital services.
Relevant Information and Managerial Performance: The Moderating Role of Accounting System Digitalization in State-Owned Banks Harahap, Irga Anugrah Safira; Usmany, Paul; Gasperz, Jefry
Al-Kharaj: Journal of Islamic Economic and Business Vol. 8 No. 1 (2026): All articles in this issue include authors from 3 countries of origin (Indonesi
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/kharaj.v8i1.9530

Abstract

This study aims to examine the effect of job relevant information on managerial performance and to analyze the moderating role of accounting system digitalization in state-owned banks (Bank BUMN). Grounded in contingency theory, the study hypothesizes that job relevant information positively influences managerial performance and that accounting system digitalization strengthens this relationship. A quantitative research design with a survey method was employed. Data were collected using structured questionnaires from 40 employees of Bank BUMN in Jambi City who were directly involved in accounting and reporting activities. The data were analyzed using moderated regression analysis to test both direct and interaction effects among variables. The results show that job relevant information has a positive and significant effect on managerial performance, indicating that the availability of task-relevant information supports effective managerial decision-making. However, accounting system digitalization does not moderate the relationship between job relevant information and managerial performance. These findings suggest that the effectiveness of managerial performance is primarily determined by the quality and relevance of information rather than the level of system digitalization alone. The study contributes to the development of management accounting literature by highlighting the contingent role of digitalization in the public banking context. Practically, the results imply that Bank BUMN should prioritize improving the quality of job relevant information while aligning digital accounting systems with managerial decision-making needs. Future research is encouraged to expand the research context and incorporate additional contingency factors to further explain variations in managerial performance.
The Effect Of Parking Management Information System On Performance With Job Satisfaction as A Mediation Variable (Study on Public Roadside Parking Attendants in Pekalongan City) Hari Putra Setiawan
Al-Kharaj: Journal of Islamic Economic and Business Vol. 8 No. 1 (2026): All articles in this issue include authors from 3 countries of origin (Indonesi
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/kharaj.v8i1.9578

Abstract

Roadside parking management plays a strategic role in supporting public services and increasing Regional Original Income (PAD). This study aims to analyze the effect of the Parking Management Information System and competence on parking attendant performance, with job satisfaction as a mediating variable. The research method uses a quantitative approach with a survey of 108 parking attendants in Pekalongan City. Data were analyzed using linear regression and mediation tests. The results of the study show that (1) the Parking Management Information System has a positive and significant effect on the performance of public roadside parking attendants in Pekalongan City, (2) Competence has a positive and significant effect on the performance of public roadside parking attendants in Pekalongan City, (3) the Parking Management Information System has a positive and significant effect on the job satisfaction of public roadside parking attendants in Pekalongan City, (4) Competence does not have a positive and significant effect on the job satisfaction of public roadside parking attendants in Pekalongan City, (5) Job satisfaction has a positive and significant effect on the performance of public roadside parking attendants in Pekalongan City, (6) Job satisfaction is able to partially mediate the effect of the Parking Management Information System on the performance of parking attendants, and (7) Job satisfaction is able to partially mediate the effect of Competence on the performance of parking attendants.
Analysis Of Accounting Information Systems In Managing Education Unit Operational Assistance Funds (Bosp) Using E-Rkas At Smp Negeri 12 Buru Trisna Prasetyaningrum; Christina Sososutiksno; Dwi Haryanti
Al-Kharaj: Journal of Islamic Economic and Business Vol. 8 No. 1 (2026): All articles in this issue include authors from 3 countries of origin (Indonesi
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/kharaj.v8i1.9608

Abstract

 This study aims to analyze the implementation of the Accounting Information System (AIS) in the Education Unit Operational Assistance (BOSP) fund management cycle at SMP Negeri 12 Buru, which includes the planning, implementation, and evaluation stages using the e-RKAS application. The research method used is descriptive qualitative with data collection techniques through in-depth interviews, participatory observation, and documentation studies. The results show that the planning stage is carried out through the preparation of e-RKAS based on the results of the School Self-Evaluation (EDS) and the educational profile. In the implementation stage, fund management has integrated manual and digital bookkeeping systems through the ARKAS application in accordance with the regulations of the Minister of Education, Culture, Research, and Technology No. 63 of 2022. Evaluations are conducted periodically to ensure transparency and accountability to stakeholders. Although this digital system improves administrative efficiency, the main obstacles identified are limited human resource technological competency and the stability of internet infrastructure at the research location. This study recommends the need for ongoing training for the BOSP management team to optimize the system..
Information System Quality and Student Satisfaction: An Empirical Analysis of the SATU USU System at Universitas Sumatera Utara Fajar Putra, Adika; Juniarsih, Triara
Journal Of Management Analytical and Solution (JoMAS) Vol. 6 No. 1 (2026): Journal Of Management Analytical and Solution
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jomas.v6i1.24785

Abstract

This study investigates the influence of information quality within the SATUUSU academic information system on student satisfaction at the Faculty ofVocational Studies, Universitas Sumatera Utara. The research employs aquantitative approach using Partial Least Squares–Structural Equation Modeling(PLS-SEM) to analyze the relationship between information quality and studentsatisfaction. A total of 105 respondents were selected from a population of 2,500active students using the Slovin formula with a 10% margin of error. Informationquality was measured through five indicators: accuracy, completeness,relevance, clarity, and timeliness. Student satisfaction was assessed usingindicators of ease of use, interface satisfaction, perceived usefulness, systemsuitability, and overall satisfaction. The measurement model results demonstratestrong validity and reliability, indicated by outer loading values exceeding 0.70,Average Variance Extracted (AVE) values above 0.50, and composite reliabilityvalues greater than 0.90. The structural model analysis shows an R-square valueof 0.802, indicating that information quality explains a substantial proportion ofthe variance in student satisfaction. Bootstrapping results confirm a significantpositive effect of information quality on student satisfaction (β = 0.896; t =30.165; p < 0.001). These findings highlight the critical role of high-qualityinformation in improving user satisfaction with academic information systems inhigher education institutions.
The Effect of Competency, Work Life Balance and the Use of Information Technology on Employee Performance at the Best Western Kamala Jimbaran Hotel, Bali Putra, I Gusti Ngurah Putu Surya Pratama; Sudarmini, Ketut; Pasupati, Bayu
Journal of Governance, Taxation and Auditing Vol. 4 No. 3 (2026): Journal of Governance, Taxation and Auditing (January - March 2026)-In Press
Publisher : PT Keberlanjutan Strategis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38142/jogta.v4i3.1826

Abstract

This study aims to understand the extent to which each independent variable contributes to employee performance at the Best Western Kamala Jimbaran Hotel. This research uses a quantitative approach, analyzing multiple linear regression with 46 participants. Data were obtained from questionnaires that were tested for reliability and validity, as well as classical assumption tests, including multicollinearity, heteroscedasticity, and normality. Each independent variable contributed significantly and positively to employee performance. High employee competency, a balance between work and personal life, and optimal use of information technology will improve employee performance. Therefore, it is recommended that hotel managers develop competencies, support work-life equality, and maximize the use of information technology to improve performance.
Adoption Barriers and Drivers of Accounting Information Systems in Developed and Developing Nations: A Systematic Review Ayuni Dewi, Anggi; Agus Munandar
Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Vol. 8 No. 3 (2026): Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/alkharaj.v8i3.11069

Abstract

This study examines the drivers and barriers influencing the adoption of Accounting Information Systems (AIS) in developed and developing countries using a Systematic Literature Review (SLR). Fifteen articles published from 2021 to 2025 were reviewed, sourced from Scopus, Emerald Insight, ScienceDirect, Google Scholar and SINTA. The review followed PRISMA procedures and applied inclusion and exclusion criteria to ensure relevance and methodological rigor. The findings reveal four major determinants of AIS adoption, technological, organizational, individual and environmental factors. Developing countries face structural barriers such as limited digital literacy, financial constraints, inadequate infrastructure and weak regulatory support. In contrast, developed countries encounter more advanced challenges, including system complexity, high integration costs and heightened concerns regarding data security and privacy. These distinctions demonstrate a persistent digital divide across nations. This study contributes by mapping AIS adoption factors through TAM, TOE and UTAUT frameworks and providing practical insights for context-specific AIS implementation strategies.

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