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IJISTECH (International Journal Of Information System & Technology)

ijistech
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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 394 Documents

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Detection of Ripeness of Manggosteen Fruit Using Hsv Color Space Transformation Method Mhd. Furqan; Muhammad Ikhsan; Annafiah Dalimunthe
IJISTECH (International Journal of Information System and Technology) Vol 5, No 4 (2021): December
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Rapid advances in innovation in the PC field are increasingly making applications and exploration of image handling strategies created. Image processing has an important role in various fields. Image processing applications are concerned with image processing with regard to color transformation. In this case, the method of transforming the color space as part of the image processing helps in detecting the colors in the image and processing them. Color space is a mathematical model that describes the color represented in the number model. HSV color space is a color space composed of 3 components, namely Hue, Saturation, Value. Hue is related to purity (color pattern), Saturation is related to the saturation of the color, Value expresses the brightness level of the color. In this study, based on the results of testing using mangosteen fruit imagery to detect the type of ripeness by transforming RGB color space into HSV color space conducted using sample data as much as 60 fruit data consisting of 45 training samples consisting of 15 images of mangosteen fruit in each type of ripeness, and 15 test samples consisting of 5 samples of ripe mangosteen fruit, 5 samples of half-cooked mangosteen fruit and 5 samples of raw mangosteen fruit obtained success rate accuracy of 86.6%, so it can be concluded that the HSV Color Space Transformation method can be used to detect the ripeness of mangosteen fruit.

The Utilization of The Best First Search Algorithm in The Solution of The Traveling Salesman Problem Case In City X Etza Nofarita Nofarita
IJISTECH (International Journal of Information System and Technology) Vol 5, No 4 (2021): December
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The heuristic search is part of a method that is often used by people in solving the case of finding the shortest route, the search for the shortest path to solve the distance problem can be converted into a graph structure, where the point represents the city and the side represents the path that connects the two cities. The General and test process is one of the methods in which the case testing uses heuristic functions. The problem that often occurs in this case is to find the shortest path of a city and the various available paths. The process of this method is in the form of determining the distance between cities which can be seen from how far it is traveled so that it can take an alternative to find the shortest path. The main purpose of solving this case is to find alternative ways to find the shortest path and have benefits in saving time and costs so that optimal results are obtained. The use of algorithms in General and test can be used as an information system in making decisions on a travel route. The use of the best first search method in general and tests can be used to search for the shortest path to obtain maximum results

Alfa Value Scalability on Single and Double Exponential Smoothing Comparatives Yuli Astuti; Irma Rofni Wulandari; Muhammad Noor Arridho; Erni Seniwati; Dina Maulina
IJISTECH (International Journal of Information System and Technology) Vol 5, No 4 (2021): December
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/ijistech.v5i4.165

To find out sales forecasts in the future, it is not only based on estimates but must be calculated carefully based on the experience of previous sales transactions. This observation can be made based on sales data a few months ago to be used as actual data to get predictive value in the future period. Prediction or forecasting is done with two methods Single Exponential Smoothing (SES) and Double Exponential Smoothing (DES), from these two methods, will be sought the most suitable alpha value to get the percentage error value. There are two error values : Mean Absolute Deviation (MAD) and Mean Absolute Percentage Error (MAPE). By using sales data from February to December 2019, the predicted value of 430 orders was obtained in the SES method and resulted in a sales prediction of 402 orders in the DES method with the smallest error accuracy value of 26.88% in the SES method and an accuracy value of 22.71%. in the DES method with the acquisition of scalability of the right alpha value for both, namely 0.3 and the beta value of 0.3 in the DES method

Improved Digital Image Quality Using the Gaussian Filter Method S Sriani; Ilka Zufria; Mhd. Syahnan
IJISTECH (International Journal of Information System and Technology) Vol 5, No 5 (2022): February
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Digital imagery from digital image cameras often has some disturbances that may occur, such as lenses not focusing, spots appear caused by the imperfect capture process. This ineptness can be caused by uneven lighting resulting in uneven intensity, low image contrast and the appearance of noise in the image. Of course all these negative effects will reduce the quality on digital imagery. To overcome the noise, efforts need to be made to improve the quality of that image. One of them is by filtering the image both linearly and non-linearly. There are many methods that can be used to perform linear and non-linear filtering. Images that contain noise can limit the valuable information needed when image analysis is done. Gaussian filter is one of the linear filters that serves to smooth and eliminate noise in an image. Mean Filter is very simple and easy to implement and is very useful for reducing the variation in value of a pixel with the next pixel. This filter works by replacing the intensity of the pixel value with the average the neighboring pixels.

Customer Experience Management (CEM) Supports the Quality of School Based on NFC Dendy Jonas Managas; Ageng Setiani Rafika; Dedy Prasetya Kristiadi; Pramita Retno Ayuning Tyas
IJISTECH (International Journal of Information System and Technology) Vol 5, No 4 (2021): December
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Schools as providers of educational services are a gateway to the progress of a nation. Many prospective students look for schools with good quality in order to get something that they aspire to. While the reference for assessing school services for prospective students can only be known from students who have graduated or through poster media. Meanwhile, the assessment of student experience only refers to personal opinions and only one factor such as teaching services or administration. Each student has a different argument about school services. This study will explain the creation of a framework for determining service levels in NFC-based schools. Evaluation of services in schools using information technology through smartphone applications connected to the computer provided at the information service desk. The information generated in the form of evaluating educational services in schools aims to improve the quality of learning and academic administrative services. Furthermore, the information generated will be made a report by the data processor addressed to the leadership. With this service, it is expected that there will be an increase in the quality of education and learning services that are able to produce quality graduates and can become information and references for prospective students in choosing schools as a reference for educational services

Human Resources Development In Increasing Employee Performance In (Case Study PT. Ars Indo Jaya Perkasa) Susan Rachmawati; B Bilgah; Mety Titin Herawaty; A Asep; Nurul Aisyah; Arman Syah Putra
IJISTECH (International Journal of Information System and Technology) Vol 5, No 6 (2022): April
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The background of this research is how to find out how to develop human resources in a company that aims to improve employee performance. Therefore, this research focuses on a company that wants to improve employee performance in order to improve the company so that it grows and develops. The method given in this study is to use a literature review and use a survey tool conducted on 100 employees, in a company. Therefore, the data obtained are real data. The problem raised in this study is how to find out what variables can affect the company's performance variables. Therefore, with a trial run with a survey, it can be seen what variables affect other variables so that it can be a suggestion for improvement in the company in this research. The purpose of this study is how to determine the development of human resources in a company in order to improve employee performance at PT. ARS INDO JAYA PERKASA the results of the research are several variables with human resources can improve employee performance in a company as an asset, the company will continue to grow in the future.

Analysis of Structural Calculations of Pile Foundations on Bridge Abutment Working, BLOKANG, Serang Regency, Banten Province Simon Petrus Simorangkir; Diana Suita; Johan Oberlyn Simanjuntak
IJISTECH (International Journal of Information System and Technology) Vol 5, No 6 (2022): April
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The abutment planning on the Blokang bridge, Serang Regency, Banten Province, resulting in the calculation of bearing capacity based on physical and mechanical properties data from laboratory tests, on the results of the BH4 right abutment with 60 cm diameter piles, the bearing capacity Qu = 248,683.58 kg, while for the left BH support -1 is obtained Qu = 244.186.99kg., And taking into account the value of the N-SPT soil investigation on the right abutment BH-4 is obtained Qu = 261,680.45 kg and the N-SPT soil investigation on the left abutment BH-1 is obtained Qu = 335,674.28 kg . The cause of Qu is based on SPT field test data, where the right abutment is N-SPT = 21, while the left abutment is N-SPT 28. The greater the value of N-SPT = 28, the soil is better, stronger soil, harder

Method of Selection of Feasibility Criteria Recipients of Msme Cash Direct Assistance With Topsis Method Alawiah, Enok Tuti; Apriyanto, A; Siregar, Martua Hami
IJISTECH (International Journal of Information System and Technology) Vol 5, No 6 (2022): April
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Micro, Small and Medium Enterprises are one of the sectors most affected by the pandemic. This is indicated by a decrease in business and service production, a decrease in labor and a reduced income turnover. The affected Micro, Small and Medium Enterprises are dominated by the fields of trade, services, creative industries and tourism. The government seeks to encourage economic recovery by providing BLT assistance funds for Micro, Small and Medium Enterprises as an economic stimulus so that Micro, Small and Medium Enterprises can revive. In order for the grants to be right on target, special research using the TOPSIS method is needed. TOPSIS is used to find the preference value that is closest to the optimal final result by calculating and testing alternative criteria. The results of research conducted in the Districts of Dramaga, Tamansari Ciomas and Tenjolaya show that the provision of BLT funds for Micro, Small and Medium Enterprises should be prioritized for MSME actors who have never received Micro Business Aid (BPUM) funds

Internal Control System Applied To Online Based Company Accounting Information Systems Endah Prawesti Ningrum; Resista Vikaliana; Susan Rachmawati; Nurzalinar Joesah; Arman Syah Putra; Nurul Aisyah
IJISTECH (International Journal of Information System and Technology) Vol 5, No 6 (2022): April
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

In a company, many systems are made to help the company run better, one of which is an accounting information system. In this study, the author raises the issue of how to create an online system that can be controlled remotely by company leaders in order to know the current state of the company. The method used in this study is a method by carrying out 4 stages, namely, the first stage is the boundary stage, the second is the input stage and the third is the process stage and the fourth is the output stage with these four steps, which are certain steps that will clearly be carried out in order to answer the problem existing research. The problem raised in this research is how to create a system that can be monitored remotely. Because there are many shortcomings of the existing system in the current system. Therefore, making an online system is one solution that is made in order to be able to monitor a company remotely. This study aims to make it easier for company leaders to monitor companies online because there are many problems if they are not monitored regularly with this online system, the company can be assisted in thinking online by company leaders.

Information System for Product Data Collection Using Barcode System on Android-based Devices at My Kids Store Medan Liza Fitriana; Shiva Awallu Nissa; D David
IJISTECH (International Journal of Information System and Technology) Vol 5, No 5 (2022): February
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Data collection is the most important thing in selling goods. Accuracy and speed in the process of storing and searching data are very influential in determining company profits. This research provides an alternative in implementing the data collection process using barcodes and implemented on Android-based mobile devices. It is hoped that this research will provide results in accordance with the objectives, which are to facilitate and accelerate users in processing data in order to produce accurate and fast information.

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