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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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Decision Making In Determining CV. Sinar Siantar With The TOPSIS Technique Indra Riyana Rahadjeng
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

This research aims to build a decision support system in ranking the routes that are passed by public transportation. Pematangsiantar (often abbreviated as Siantar only) is one of the cities in North Sumatra Province, and the second-largest city in the province after Medan. Due to the strategic location of Pematangsiantar, the Trans Sumatra toll road was crossed. The city has an area of 79.97 km2 and a population of 240,787 people (2010). Public transportation is one of the transportation used by the community together and pays the fare. So far, public transportation is part of urban transportation which has an important role in people's lives. However, this problem is still hampered by problems of the route that must be traversed by public transportation, especially Sinar Siantar. Decision support systems are interactive systems that support decisions in decision interpretation with alternatives obtained from the tabulation of data, information and model planning. In this research, the method used is Technique For Order Preference By Similarity To Ideal Solution (TOPSIS). The TOPSIS method is based on the concept that the best alternative chosen has not only the shortest distance from the positive ideal solution but also has the farthest distance from the negative ideal solution. The TOPSIS method has several advantages, including simple and easy to understand concepts, efficient computing, and the ability to measure the relative performance of alternatives in simple mathematical decision making. Based on the calculation, the value of the V3 process, which has the highest value is obtained, so that this route is the best alternative through the CV. Sinar Siantar is the alternative route to A3, namely Jalan Jawa, because the alternative criteria best meet all the other alternatives. This decision support system is expected to assist in determining public transport routes to become more efficient so that the result is the determination of public transport routes.

The Geographic Information System of Gas Station (SPBU) Location In Musirawas, Lubuklinggau, and North Musirawas Based on Mobile Web Joni Karman; Oskar Al Amin
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Making a Geographical Information System for the Location of Public Fuel Filling Stations (SPBU) in Musirawas, Lubuklinggau, and North Musirawas based on Mobile Web, the community, still has difficulty in finding the location for gas stations, especially people outside the region who also do not know the mileage so that they have the potential to run out of fuel and the community also does not know the types of fuel available at the gas station so that you have the potential to get lost when looking for a gas station location. This research uses data collection methods, by observing and recording directly at the research site (observation), conducting a direct question and answer with the resource (interview) and documentation by reading existing books and literature. The results of the geographic information system design for the location of gas station stations (SPBU) in Musirawas, Lubuklinggau, and North Musirawas based on Web Mobile was made by using the PHP programming language and MySQL database and making program listings using the Adobe Dreamweaver application. The system created by this user can select the closest gas station menu directly by pressing the button where the nearest gas station is located so that the closest gas station location where you are will appear. Information on gas stations can also be known with information which is located according to the location of the gas stations chosen, and users can provide feedback in the form of comments or suggestions for improvements to the gas stations.

An Information System Landscape of Indonesia Tourism Destination Azril Azahari; Sultan Sabiq Arrafi; D Damiasih; Aldi Wisnumurti
IJISTECH (International Journal of Information System and Technology) Vol 4, No 2 (2021): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Tourism and information technology are two things that are currently interrelated. The use of information technology in the tourism sector is very influential in its current development. One of the information technologies approaches used is the information system regarding tourist destinations in Indonesia. The use of the information system is used to make it easy for media users to access information about tourist destinations. All kinds of information conveyed from destinations, routes, attractions, facilities, and others are combined into one information system. In this paper, we present an information system landscape of indonesia tourism destination. We review information system usage for tourism destination. We show that the use of the information system for tourist location destinations can continue to be developed to get the trust of its users, starting from the facilities in the system, to the benefits of its use such as ease of search, ordering or reservation, and others. Finally, we present open problems for future research recommendations.

Higher Education e-Learning Usability Analysis Using System Usability Scale Didi Supriyadi; S. Thya Safitri; Daniel Yeri Kristiyanto
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The COVID-19 pandemic encourages almost every institution to optimize the use of information and communication technology to maintain consistency and competitive advantage. One of the efforts made by Higher education is developing and optimizing online-based learning (e-learning) models. E-learning plays an important role in the success of achieving learning objectives at Telkom Institute of Technology Purwokerto (ITTP), which is conducted between lecturers and students. The problem faced in optimizing e-learning system at ITTP is related to usability. The purpose of this study is to evaluate the usability level of the ITTP e-learning system using the System Usability Scale (SUS) method. Based on the testing of questionnaire instruments using SPSS software, it was obtained the result that the questionnaire used for the study was valid, and the reliability rate was 0.758. Based on the results of system tests to 100 respondents or users, it is known that the SUS score is 55.3. The value indicates that the acceptability ranges are in the Marginal Low range. It can be seen from the adjective rating, SUS score from the ITTP e-learning system is in the CATEGORY OK and according to Curved Grade Scale (CGS) is in grade D. Based on Net Promoter Scale (NPS), the score 55.3 indicates that the ITTP e-learning system users tend to be in the Detractor category.

Application of Steganography to Audio Files with Least Significant Bit (LSB) Process and Vigenere Cipher Encryption Heri Santoso
IJISTECH (International Journal of Information System and Technology) Vol 3, No 2 (2020): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Current technological developments, making the information very important, then the need arises in sending information that contains secrets. To solve this information security problem, the method that can be used is cryptography to encode messages using the Vigenere Cipher algorithm and steganography to hide messages using the Least Significant bit (LSB) method. This steganography application is able to insert text messages in files that have the format * .txt, * .docx, and * .pdf, but the size of the amount of text does not exceed the cover capacity of the audio file and can extract the text that has been inserted again. This application is also capable of encrypting and decrypting text files in * .txt, * .docx and * .pdf formats. Tests conducted on the audio size, audio that has a large bit rate will have a large capacity.

Decision Support Information System For Provision of Assistance Street Vendors Using Business Facilities Simple Additive Weighting Method Ari Waluyo
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

The purpose of this study was to design a decision support system for providing business facilities for street vendors using the web-based Simple Additive Weighting method. The research method used in this study is a qualitative method with a descriptive approach. Data collection techniques used are by observation, literature study and interviews that have a close relationship with the main problem and the system development method used is the waterfall system development method. From the results of the research conducted found that the subjectivity of decision-making assistance is only determined based on the evaluation of the data that is owned and does not have definite criteria so that decision-making assistance has not found maximum results. Decision support system for providing business facilities for street vendors using the Simple Additive Weighting method produces sub-criteria aspects and sub-criteria values, namely aspects of the residence, income aspects and aspects of dependents of school children, each criterion has an attribute to be used as a reference for granting assessment help.

Expert System with Diagnosis of Blood Cancer (Leukaemia) with the Certainty Factor Method S Silvilestari
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Blood cancer or called leukaemia usually affects children with a high risk of death. Lack of knowledge about leukaemia is the cause that affects parents to search for information. By looking at the condition of children who are still unable to think for themselves. Will make a concern for the people around him to help them overcome their problems. Parents or immediate family must supervise the child's development and development for the recovery of their child. To help the process of healing children who have leukaemia, parents must be active in seeking information about the disease. So that if there is a symptom, the parents are more sensitive. They can recognize and immediately prevent the leukaemia disease, in this study an application in the diagnosis of leukaemia is carried out using the help of an expert system which is used to assist in diagnosing leukaemia using certainty methods. Factor. The results of using the certainty factor method based on the symptoms and criteria possessed by patients with leukaemia patients will show a fairly high percentage and accuracy as a tool that shows the conditions experienced by people living with leukaemias.

The application of the Analytic Hierarchy Process method to the selection of dominant factors for adolescents who are prone to insecurity Indra Riyana Rahadjeng; Muhammad Noor Hasan Siregar
IJISTECH (International Journal of Information System and Technology) Vol 4, No 2 (2021): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Teens are often stressed, worried, and overly insecure as a result of their high expectations. The feelings that occur during adolescent development can create and increase feelings of insecurity in their lives, which has a negative impact. Adolescents with an excessive sense of insecurity can suffer from mental disruption, which can lead to serious mortality. Of course, these factors can have a negative impact on adolescents' mental health. Adolescents' minds and psyches can be disrupted by mental illness. The goal of this study is to identify the dominant factor among a number of factors that can lead to insecurity when using the Decision Support System (DSS) technique. Analytical Hierarchy Process is the DSS method used (AHP). The data used in this study was gathered through observations and interviews with adolescents using a random questionnaire. Six factors were derived from observations and interviews: social environmental factors (A1), family environmental factors (A2), social media factors (A3), insecure factors (A4), trauma factors (A5), and education and work factors (A6). The results of the AHP method show that the main factors for adolescents who are easily insecure are social environmental factors (first), social media factors (second), and family environmental factors (third) (third).

Application of the Steepest Ascent Hill Climbing (SAHC) Algorithm for Mobile-based Shortest Route Search Mhd Furqan; A Armansyah; Razzaq H. Nur Wijaya
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

This study aims at early to determine the application of algorithms Steepest Ascent Hill Climbing (SAHC) for finding the shortest route-based Mobile in Humbang Hasundutan. Based on the results of the application of algorithms Steepest Ascent Hill Climbing (Sahc) To search based Shortest These Mobile in Humbang Hasundutan. So it can be concluded that the search for the shortest route based on Mobile can be solved using the Steepest Ascent Hill Climbing algorithm. In the manual calculation process using the Steepest Ascent Hill Climbing algorithm at the node from Humbang, there is a heuristic value of 0.0896184808, at the node from which the three intersections are originated there is a heuristic value of 0.1693780561, at the node from which there is a heuristic value of 0.367474152, at the node from which the waterfall falls sibabo has a heuristic value of 0.3823982675. Then the result of the shortest route from Sipinsur Geosite (F) to Simolap Waterfall (B) is F èD èB (Sipinsur GeoSite - intersection 4 - Simolap Waterfall) the total distance is 51 km and the time is 1 hour 34 minutes. So that the test results of the Steepest Ascent Hill Climbing algorithm process with the system in accordance with the manual calculation process of the Steepest Ascent Hill Climbing algorithm.

Analysis of Integrated Lecture Minutes Recording System Analysis Based on RFID Irfan Sudahri Damanik; Eka Irawan
IJISTECH (International Journal of Information System and Technology) Vol 4, No 1 (2020): November
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

RFID (Radio Frequency Identification) is an identification technology for wireless data retrieval using radio waves. RFID is part of the development of semiconductor technology that is integrated with informatics systems. In the college environment, especially in the academic sector, there is often a problem with the process of recapitulation of attendance notes for lectures which is not effective and efficient. Therefore this research aims to build an information system that utilizes semiconductor RFID technology. The RFID tag used is a card that will be used as a substitute for a student ID card (KTM) in which there is a unique code that is used as the ID number of each student. This RFID tag data will be integrated with the database system so that the attendance process for lecture minutes becomes more effective and efficient. This is because students carry out the attendance process by attaching the KTM to the RFID reader, which will read the RFID tag on the KTM and store it in the database. So that the process of attendance recapitulation of lecture events becomes easier because the data is automatically stored in the database.

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