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IJISTECH (International Journal Of Information System & Technology)
Published by STIKOM Tunas Pematang Siantar
ISSN : 25807250     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
IJISTECH (International Journal Of Information System & Technology) is published with both online and print versions. The journal covers the frontier issues in the computer science and their applications in business, industry and other subjects. The computer science is a branch of engineering science that studies computable processes and structures. It contains theories for understanding computing systems and methods; computational algorithms and tools; methodologies for testing of concepts. The subjects covered by the journal include artificial intelligence, bioinformatics, computational statistics, database, data mining, financial engineering, hardware systems, imaging engineering, internet computing, networking, scientific computing, software engineering, and their applications etc.
Arjuna Subject : -
Articles 313 Documents
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Designing the Concept of Start-up & Mentoring Profiling Inside New Normal University Sasono Wibowo; Indra Gamayanto
IJISTECH (International Journal of Information System and Technology) Vol 6, No 6 (2023): April
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/.v6i6.293

Abstract

Start-ups are important pillars in improving people's lives, and many start-ups will certainly increase employment. Still, it must understand that start-ups should be limited to the business. Many start-ups have closed down due to a need for integrated management, human resources, capital, and so on; these require proper guidance to reach the highest level. This article complements the previous article, namely the Development of Mentoring Management in Producing High-Quality Human Resources at the University Level in Facing the ASEAN Economic Community (MEA) Using the Kiyosaki Concept Blanchard ABCD Trust Methods-HSOVA. This guidance is essential to maintain, improve and develop existing start-ups. With the accuracy of guidance, it is necessary so start-ups to turn on profit and develop human resources in communication, psychology, and more targeted life goals. This article's result is a profiling mentoring framework; in this framework, there will be guiding people who want to work in the start-up field. Furthermore, the maturity level of mentoring profiling is one part of this framework. This framework will be flexible, applied, and adapted to existing conditions during a pandemic.
Prototype River Water Level Detection Tool Using Ultrasonic Sensor with Sound Output Based on Arduino Uno Microcontroller Yudi Irawan Chandra; Diyah Rury Irawati; Marti Riastuti; Kokoy Rokoyah
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.298

Abstract

River water that overflows or is at an uncontrolled height can cause flooding and environmental damage. Therefore, the development of a river water level detector that can provide early warning is very important. In this research, we propose a river water level detector using ultrasonic sensor with sound output based on Arduino Uno microcontroller. This device is designed to measure the level of river water by utilizing the principle of ultrasonic wave reflection. The ultrasonic sensor is installed above the river and sends ultrasonic waves to the water surface. The waves are then reflected back to the sensor after reaching the water surface. The travel time of the reflected wave is used to calculate the distance between the sensor and the river water surface.The Arduino Uno microcontroller is used to process the distance data obtained from the ultrasonic sensor. When the water level exceeds the specified limit, the microcontroller will generate a sound output as a warning. A speaker is connected to the microcontroller and will emit different sounds depending on the water level.This tool has advantages in terms of accuracy and responsiveness. By using ultrasonic sensors, measurements can be taken in real-time and provide water level information with high precision. The voice output also allows the information to be delivered directly and effectively to the user. The test results show that this river water level detection device can work well and provide early warning when the water level exceeds the specified limit. The success of this tool is expected to help in flood risk management and environmental conservation.
Web-based Pentaca Sale Information System Implementation Salahudin Robo; Alif Anas Tasya Oktaviani
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.299

Abstract

Pentaca products are experiencing problems in the form of managing Pentaca customer order data which is still being done manually by writing it in a book, making it difficult for Pencaca brand owners to manage customer data and make monthly reports for these products. The application of information systems in pentaca sales is needed to ensure that the business operates properly and improves the quality of service to customers. This study uses qualitative research methods to fulfill the use of the subject under study and collects data from various case studies, personal experiences, interviews with brand owners, visuals depicting everyday life. The system development uses the waterfall method. The data collection technique used is by direct observation, direct interviews and taking documentation of the business owner. With this system, it makes it easier for customers to buy these products and also makes it easier for brand owners to make monthly product purchase reports and manage financial reports.
Implementation of The Naïve Bayes Algorithm For Diagnosing Lung Disesase In An Expert System Concept Azka Hafiyyan; Erni Seniwati; H Haryoko
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.300

Abstract

Web-based lung disease diagnosis expert system is an application designedto help diagnose lung disease quickly and accurately. This system uses the Naïve Bayes classification method which is one of the techniques in artificial intelligence. The Naïve Bayes method utilizes probability to classify data based on existing attributes. In the context of a lung disease expert system, these attributes can include symptoms experienced by patients such as cough, shortness of breath, chest pain, and so on. Research results have shown that in the test of accuracy comparing the expert with the lung disease diagnostic system using the naive Bayes method, the accuracy rate reached 86.66%. With the achieved accuracy rate, it can be stated that the system is capable of performing diagnoses effectively and accurately
Cluster Analysis for Performance Evaluation of Outsourcing Engineers in the Telecommunication Industry M. Rivai Hasibuan; K Kusrini; Alva Hendi Muhammad
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.301

Abstract

The telecommunications industry relies significantly on the knowledge and contributions of engineers, who play a crucial role in designing, enhancing, and supervising diverse communication infrastructure systems. As engineers gain experience, they frequently advance to supervisory or consulting positions in which they provide expert guidance. Many businesses have delegated their recruitment processes to contract workers to optimize operational costs and boost productivity. It is essential to evaluate the performance of outsourced employees in order to determine the value they add to the organization. Performance evaluations play a vital role in evaluating factors such as attendance, skill level, burden management, and job performance. These evaluations aid in contract renewal decision-making. Various metrics emphasizing factors such as effective skills, well-defined objectives, and regular status updates can be used to determine the success of outsourced employees. This permits a comprehensive evaluation and the identification of improvement areas. In this paper, the investigation concentrates on using cluster analysis techniques, specifically partition-based algorithms such as K-means, to classify outsourced workers according to their individual skills and characteristics. Then, we compare the provided insights with the density-based algorithm DBSCAN to comprehend them. Cluster analysis is a potent method for analyzing large datasets, allowing for swift and confident conclusions. By utilizing cluster analysis, organizations can gain insight into the diverse skill sets and characteristics of their outsourced workforce, thereby improving resource allocation, task assignment, and management as a whole
Sentiment Analysis of Product Reviews in the Sales System of Putra Electronics Store Maria Sri Wulandari; Rahayu Noveandini; Yudi Irawan Chandra; Noval Dwi Putra
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.302

Abstract

The Putra Elektronik Store is a commercial establishment that sells various electronic goods, including mobile phones, desktop computers, and laptops, among other products. The procedure for conducting transactions, which has been ongoing until now, is still done manually. The author suggests developing an online sales platform based on this information. The system design uses UML in addition to the programming languages PHP and Laravel. In addition, a tool for collecting customer reviews has also been developed. The purpose of this feature is to determine whether consumers' feelings regarding the things being offered are favorable or unfavorable by employing the navel Bayes algorithm and weighting tf (term frequency) and probability..
Decision Support System in Determining Lecturer Performance with the TOPSIS Method S Sefrika
IJISTECH (International Journal of Information System and Technology) Vol 7, No 1 (2023): June
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i1.297

Abstract

In order to improve the quality of learning in tertiary institutions, it is necessary to carry out periodic evaluations so that the quality of education can increase and adapt to needs. Performance appraisal is carried out in order to know the teaching and interpersonal quality of the lecturers so that they are in line with the education quality standards. To determine the best lecturer performance, it needs to be done further in order to get accurate results. This study aims to determine the best lecturer performance by using the TOPSIS method decision support system. TOPSIS is a method that can solve multi-criteria problems so as to get maximum results. The results show that the most ideal criterion in determining outstanding lecturers is the pedagodic aspect. Research can be used in multi-criteria decision-making processes with accurate results.
Evaluation of The South Sumatra Samsat E-Dempo Application using the System Usability Scale Method Merry Agustina; Syahanan Aqdi
IJISTECH (International Journal of Information System and Technology) Vol 7, No 2 (2023): August
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i2.311

Abstract

E-Dempo Samsat South Sumatra is an online vehicle tax payment application from the South Sumatra Regional Revenue Agency (Bapenda). Through the E-Dempo Samsat application, users can make tax payments without having to make payments to the local Samsat, as well as in the application, users can check vehicle data and the total tax value, and can make complaints related to vehicle tax. This study aims to determine the usability level of the E-Dempo Samsat application at which level from the user's point of view. Using the system usability scale (SUS) method, this study provides evaluation results to ascertain the level of usability of the South Sumatra Samsat E-Dempo application. Data analysis with a usability scale system (SUS) was used as the research method, and questionnaires were distributed as part of the quantitative approach. The results of this study are in the form of a score of the method (SUS) of 39 which states that the quality of the level of use of the E-Dempo Samsat application is still low.
Improve Accuracy in The Process of Diagnosing Various Types of Lung Diseases by Using The Naïve Bayes Classifier Moch Firmansyah
IJISTECH (International Journal of Information System and Technology) Vol 7, No 2 (2023): August
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i2.305

Abstract

In the humans’ body, there are several organs that function to support humans’ life, one of these organs is lungs, in its development, many things happen to these organs, for examples, infected by various diseases, including the lungs. There are many types of diseases that can infect the lungs including Asthma, Dyspnea, Tuberculosis, COPD, Pneumonia, Bronchitis, Hemoptysis, Hemoptoe, and these diseases can be diagnosed based on the symptoms, but unfortunately there are difficulties in the classification process, because it has similar symptoms experienced by people with the disease. The purpose of this study is to be able to classify lung disease based on symptoms experienced using the navies bayes classification method. This method doesn’t use much training data in determining the estimated parameters used in the classification process. This is what makes researchers use this method. This study used patient medical records as many as 200 patient data. Data collection is carried out from February to May. Data testing using rapid miner tools resulted in 90.22% accuracy for lung disease diagnosis.
UI/UX Design of a Production Information System at PT Belitang Panen Raya Using the Design Thinking Method Nur Faizi; Fitri Purwaningtias; Tri oktarina
IJISTECH (International Journal of Information System and Technology) Vol 7, No 2 (2023): August
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v7i2.306

Abstract

The people of Asia, especially Indonesia, have a staple food, namely rice. Rice is a major and strategic food commodity whose availability needs to be guaranteed. To provide the best in inputting incoming and outgoing goods data as well as available goods data, Belitang Harvest Raya designed a new application product. In this study using the Design thinking approach. The Design thinking method is an innovation-based software product design method that is based on finding solutions to solve certain problems. After successfully finding and understanding the problems obtained through the process of Identify the problem, Describe Solution, Empathize to Users, Appeal to Business, Lock in Agreement (IDEAL) and Prototype and Test. So that the BPR application is able to solve problems that occur in a company at this time.

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