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INDONESIA
Jurnal Info Sains : Informatika dan Sains
Published by SEAN INSTITUTE
ISSN : 20893329     EISSN : 27977889     DOI : -
Core Subject : Science,
Computer Science & IT
urnal Info Sains : Informatika dan Sains (JIS) discusses science in the field of Informatics and Science, as a forum for expressing results both conceptually and technically related to informatics science. The main topics developed include: Cryptography Steganography Artificial Intelligence Artificial Neural Networks Decision Support System Fuzzy Logic Data Mining Data Science
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 420 Documents
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K-Means Clustering Algorithm Analysis For Grouping Patient Medical Record Data Based On Disease Type Wina Aulia; Andysah Putera Utama Siahaan; Leni Marlina; Khairul, Khairul; Muhammad Iqbal
Jurnal Info Sains : Informatika dan Sains Vol. 14 No. 04 (2024): Informatika dan Sains , 2024
Publisher : SEAN Institute

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Abstract

Dr. Tengku Mansyur Regional Hospital, Tanjungbalai City, still has difficulty in grouping the intensity of diseases that often occur in Tanjungbalai City, in the exact grouping based on the results of patient medical data records. Medical records are documents that record information about the patient's condition, medical history, and previous treatment filled in by health workers who provide care and treatment. Medical records function to provide health information for all health workers involved in patient care. The goal is to minimize the increase in the intensity of the disease experienced by patients by providing counseling and solutions to diseases that have high intensity. administration in an effort to improve health services in hospitals and also increase the supply of drugs according to the drugs needed. This study uses the Jupyter Notebook application based on Python and data mining methods, especially the K-Means Clustering algorithm, to analyze patient medical record data based on age, blood pressure and disease diagnosis. With the K-Means Clustering Algorithm, it can also minimize variation in one cluster and maximize variation between clusters. With the research, Cluster C1 is a disease that often occurs with high intensity and has 49 members, Cluster C2 is a disease that occurs with intensity. Cluster 2 has 28 members, while Cluster C3 is a disease that occurs with low intensity and has 23 members.
Analysis Of Course Distribution Scheduling For Lecturers Using Genetic Algorithms And Constraint Satisfaction Methods At Batam University Sony Putra; Muhammad Iqbal; Andysah Putera Utama Siahaan
Jurnal Info Sains : Informatika dan Sains Vol. 14 No. 04 (2024): Informatika dan Sains , 2024
Publisher : SEAN Institute

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Abstract

Optimal course scheduling is a significant challenge in university academic management, especially in allocating courses to lecturers efficiently. This study aims to analyze the application of Genetic Algorithm and Constraint Satisfaction Method in optimizing the scheduling of course distribution at Batam University. Genetic Algorithm is used to find the optimal solution through the evolution process, while the Constraint Satisfaction method is used to ensure that all scheduling constraints, such as the availability of lecturers, classrooms, and time, are met. This research method involves collecting data on course schedules, lecturer preferences, and classroom capacity. Furthermore, the implementation of the algorithm is carried out through computer simulations with population, mutation, and crossover parameters that are set to achieve the optimal solution. Based on the results of this study, the optimization achieved includes several important aspects. First, there were no schedule conflicts (zero conflicts) between courses, classrooms, and lecturers. Second, in terms of time efficiency, the automatic scheduling process runs faster than the manual method. Furthermore, the utilization of resources such as rooms and time has been used optimally, while the teaching load of lecturers is well distributed without any excess. Finally, constraint satisfaction has been achieved, where all constraints, such as no scheduling conflicts in space, lecturers, and time, have been successfully met.
Factor Affecting Construction Quality On Construction Projects In Central Java With Analytical Hierarchy Process (AHP) Method Chasanah, Ummi; Soehartono, Soehartono
Jurnal Info Sains : Informatika dan Sains Vol. 14 No. 04 (2024): Informatika dan Sains , 2024
Publisher : SEAN Institute

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Abstract

Improvement in project construction should follow increasing quality construction so that project construction can be interpreted as successful if the project construction is the appropriate time, cost, and quality by planning. Research This aims To identify possible factors that influence quality construction using the Analytical Hierarchy Process (AHP), especially in construction projects in Central Java. Using questionnaires and Analytical Hierarchy Process (AHP) analysis for respondents who are experts in the construction sector, it was found that the factors that influence construction quality are money, materials, man, methods, and machines. Developing and implementing project construction: The project must already follow quality and proper construction quality in planning. Existence coordination and work are needed to carry out project construction so that quality construction is achieved by planning. Analysis with the AHP method is carried out for all respondents from each criterion, sub-criteria, and alternative, as well as to get a goal from quality construction. With Analysis of the Analytical Hierarchy Process, the results of each factor influencing construction quality from the highest to the lowest are man at 0.262, materials at 0.253, money at 0.231, methods at 0.142, and machines at 0.112.
Expert System For Early Diagnosis Of Dog Skin Diseases Using The Dempster-Shafer Method Adie Wahyudi Oktavia Gama; Putri Prema Paramitha; Ni Made Widnyani
Jurnal Info Sains : Informatika dan Sains Vol. 14 No. 04 (2024): Informatika dan Sains , 2024
Publisher : SEAN Institute

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Abstract

This study developed a web-based expert system for the early diagnosis of canine skin diseases, utilizing the Dempster-Shafer method. The close bond between humans and dogs, the high rate of dog ownership, and the prevalence of skin diseases among dogs in Bali Province highlight the need for an effective solution, particularly given dog owners' limited knowledge of diagnosis and treatment options. The research involved interviews with veterinary experts and an extensive literature review, resulting in the creation of a knowledge base comprising 12 common canine skin diseases and 23 associated symptoms. The Dempster-Shafer method was employed to address uncertainty in decision-making by calculating belief and plausibility values, ensuring accurate diagnostic results. The system's database design enables efficient management of disease, symptom, patient, and diagnosis information. Testing demonstrated an accuracy rate of 86.36% and a user satisfaction score of 89.09%, indicating that the system is both reliable and user-friendly. This expert system provides a practical tool for dog owners in Bali, supporting early diagnosis and appropriate management of canine skin diseases.
Women’s Empowerment to Increase Labor Force Participation in West Lampung Regency Rudi Agus Hermawan
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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Abstract

West Lampung Regency faces serious challenges in reducing the number of residents with seasonal unemployment status. This is due to the dependence of the community, the majority of whom work in the coffee farming sector, especially robusta coffee. This sector absorbs a lot of labor but has seasonal characteristics and is susceptible to market price fluctuations. The Open Unemployment Rate (TPT) in the district will increase in 2023. This is in line with the decline in the Labor Force Participation Rate (TPAK) which is due to the increase in the number of people taking care of the household, especially the female population. The writing of this paper uses a qualitative descriptive method by collecting data through holding focus group discussion (FGD) meetings, field visits, and literature studies to understand the causes of low TPAK and formulate effective policies. The selection of policy recommendations uses the Bardach method with 4 criteria. The purpose of writing this paper is to analyze and formulate policy recommendations that can increase the Labor Force Participation Level (TPAK) in West Lampung Regency, with a focus on empowering women, the majority of whom are hampered in household roles. The conclusion of this paper is to increase the Labor Force Participation Rate (TPAK) in West Lampung Regency, especially by overcoming the dominance of the female population who only take care of the household thereby reducing the female population's labor force participation, comprehensive regulations are needed. The chosen policy recommendation is to formulate and enact a Regional Regulation on Home Economic Empowerment
Branded Drug Planning Based on (Combination) of Consumption Methods With ABC Analysis and Reorder Point (ROP) its Effect on Inventory Value and Turn Over Ratio (TOR) in the Pharmacy Installation of X Hospital, Bekasi Muhammad Sapuan; Shirly Kumala; Sri Widyastuti
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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Abstract

Planning drug needs in the Pharmacy Installation at Hospital X Bekasi, using the consumption method. This causes shortages and excess stock of branded drugs so that the drugs are not used and expire. The high value of branded medicine inventory at Hospital The aim of this research is to determine the difference in inventory value and Turn Over Ratio (TOR) of fast moving branded drugs after testing the application of a branded drug planning model based on a combination of consumption methods with ABC analysis and reorder points compared to the planning before testing in Hospital Pharmacy Installations. X Bekasi. The type of research carried out was pre-experimental using analytical descriptive methods. The approach used in this research is cross sectional. In-depth interviews and Focus Group Discussions were also conducted. The trial was carried out on fast moving ABC branded drugs for 3 months, namely June-August 2023. The quantitative approach was by calculating the inventory value and TOR value of fast moving group A, B and C branded drugs, before and after the trial. The research results prove that the application of model trials can reduce the inventory value of ABC fast moving branded drugs from IDR 124,848,282 to IDR 122,454,522, increase the TOR of ABC fast moving branded drugs from 5.66 to 8.12 and obtain an efficiency of IDR 2,393,760. The conclusion of this research is that planning for fast moving ABC branded drugs based on a combination of consumption methods with ABC and ROP analysis has been proven to reduce inventory value and increase TOR and obtain an efficiency of 1.92%.
Determining Gravitational Acceleration with the Mathematical Pendulum Swing Method Azmi, Valiant Zahirul; Hidayat, Dinnisa Haura Zhafira; Liaramadanty, Liaramadanty; Ambardhani, Muhammad Subhaan; Hidayat, Ahmad Farrel Al Falubi; Ahmad, Adnan; Febrilianto, Yogiek
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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Abstract

Pendulum-derived gravitational acceleration values vary unpredictably due to unquantified string length and initial angle dependencies. This study aims to assess the feasibility and precision of the mathematical pendulum swing method in measuring gravitational acceleration. The research investigates the relationship between the pendulum’s string length, oscillation period, and initial deviation angle. It is hypothesized that longer strings will result in slower oscillations while shorter strings produce faster motions. Additionally, the study examines how these factors collectively impact gravitational acceleration measurement. Through controlled experiments, the study’s goal is to determine the precision of the pendulum swing method in determining gravitational acceleration and the factors influencing its reliability. Results demonstrate that a simple mathematical pendulum accurately determines gravitational acceleration with a calculated value of approximately 9.95974m/s². The findings confirm that the square of the oscillation period is directly proportional to the string length (T² ∝ l) and emphasize the importance of maintaining the initial deviation angle under 10 degrees to ensure measurement accuracy. These findings reinforce the pendulum’s utility in physics education and affordable gravitational field assessment, particularly in resource-limited settings. The study provides a foundational framework for improving experimental accuracy in classical mechanics and highlights the method’s enduring relevance in scientific pedagogy and fundamental research.
Utilization of Plastic Waste as an Additive Material in Concrete Mixtures: A Study on Compressive Strength and Material Sustainability Muhammad Abdi Ridha
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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This study investigates the incorporation of plastic waste as an additive in concrete mixtures, focusing on its effects on compressive strength and sustainability. Using a quantitative experimental approach, various proportions of plastic waste—specifically polypropylene (PP), polyethylene terephthalate (PET), low-density polyethylene (LDPE), and high-density polyethylene (HDPE)—were incorporated as partial replacements for fine or coarse aggregates. Concrete specimens were tested at 7, 14, and 28 days for compressive strength. Results indicate that while increasing plastic content generally reduces compressive strength, optimal low-percentage substitutions can maintain structural integrity and contribute to environmental sustainability by reducing plastic waste. This research supports the potential of plastic waste as a sustainable supplementary material in concrete production.
Analysis of the Influence of Service Quality on Customer Satisfaction of ESB Application Users in the Restaurant Industry Using the Technology Acceptance Model (TAM) Method Alviana Putri; Ismil, Ismil; Rini Sulistiyowati; Gita Cahyani Lestari
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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Abstract

This study aims to analyze the influence of service quality on customer satisfaction of users of Electronic Software applications. for Business (ESB) in the restaurant industry using the Technology Acceptance Model (TAM) approach. The TAM model focuses on two main constructs , namely perceived usefulness (perceived usefulness) and perceived ease of use (perceived ease of use), which is believed to influence user attitudes in accepting technology. This study used a quantitative method by distributing questionnaires to 150 respondents who were active users of the ESB application. Data were analyzed using the Structural Equation Modeling (SEM) with the help of software SmartPLS . The results of the study indicate that service quality has a significant effect on perceived ease of use and perceived usefulness, and both variables have a positive effect on customer satisfaction. This means that the better the service quality of the ESB application, the higher the customer satisfaction in using it.
Enhancing the Regional Entrepreneurship Ratio in West Lampung Regency through the Competitiveness of Coffee Industry MSMEs Nurliana, Nurliana
Jurnal Info Sains : Informatika dan Sains Vol. 15 No. 01 (2025): Informatika dan Sains , 2025
Publisher : SEAN Institute

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Abstract

The entrepreneurship ratio is a crucial indicator in assessing a region's economic capacity and independence. West Lampung Regency currently shows a low entrepreneurship ratio, largely due to the dominance of micro-enterprises and the suboptimal competitiveness of MSMEs in the robusta coffee processing sector—a flagship commodity of the region. This paper aims to formulate policies to enhance the entrepreneurship ratio by improving the competitiveness of coffee-based MSMEs. Using a qualitative descriptive approach through FGDs, literature studies, and policy analysis, the main issue identified was the lack of implementation of processing and marketing standards among most coffee MSMEs. As a result, a policy recommendation has been proposed: the formulation of a Regent Regulation on the Standardization of Robusta Coffee Processing and Marketing, which was deemed the most feasible according to Bardach's four policy criteria (technical, financial, political, and administrative). This policy is expected to improve the quality and market reach of local coffee, encourage business scaling, increase employment, and strengthen the entrepreneurial ecosystem through synergy with gastronomy-based tourism. With the right policies, West Lampung Regency's entrepreneurship ratio has the potential to improve significantly and sustainably.

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