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Darwis Robinson Manalu
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INDONESIA
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi
Published by Universitas Methodist Indonesia
ISSN : 24427861     EISSN : 26143143     DOI : https://doi.org/10.46880/mtk
Core Subject : Science,
Computer Science & IT
JURNAL METHODIKA diterbitkan oleh Program Studi Teknik Informatika dan Program Studi Sistem Informasi Fakultas Ilmu Komputer Universitas Methodist Indonesia Medan sebagai media untuk mempublikasikan hasil penelitian dan pemikiran kalangan Akademisi, Peneliti dan Praktisi bidang Teknik Informatika dan Sistem Informasi. Jurnal ini mempublikasikan artikel yang berhubungan dengan bidang ilmu komputer, teknik informatika dan sistem informasi.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 10 Documents
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Search results for , issue "Vol. 7 No. 1 (2021): Maret 2021" : 10 Documents clear
AUDIT TEKNOLOGI INFORMASI DENGAN COBIT PADA SISTEM INFORMASI UNIVERSITAS METHODIST INDONESIA Darwis Robinson Manalu
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.250

Abstract

Improving services in all fields in higher education is the main choice because it is closely related to stakeholder satisfaction, especially in the academic field. Information technology used in managing activities will determine the desired process and output. So it is necessary to evaluate and audit information technology to determine the achievement of performance or productivity. Universitas Methodist Indonesia has implemented Information Technology in managing academic activities ranging from new student registration to student graduation, lecturer and staff activities, research activities, and community service. COBIT is one of the tools used in auditing information systems and information technology. The audit is carried out on human resources related to system and technology management involving the Head of the Data Processing Center, Head of Administration and Information Services, Head of System Development Affairs, and Implementing Staff. To obtain data by making a questionnaire given to the audited party. From the test results on the effectiveness of the control, there is already a running control, namely PO8.1. Quality Management System, PO8.4. Customer Focus, PO8.5 Continuous Improvement, and PO8.6 Quality Measurement, Monitoring and Review, DS5.9. Malicious Software Prevention, Detection, and Correction need to be improved and continuously. Then the level of performance of the Detailed Control Objective (DCO) in the third party service management process still tends to be lacking and still needs to be improved, with the average performance value in the third party service management process being 1.5.
MODEL PENULARAN PENYAKIT DEMAM BERDARAH DENGUE (DBD) DALAM SYSTEM DYNAMIK BERDIMENSI DUA Posma Lumbanraja
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.255

Abstract

Here we examine the dynamic model of the spread of Dengue Hemorrhagic Fever (DHF) assuming a constant number of host and vector populations. In this paper, the model is reduced from a three-dimensional system to a two-dimensional system so that the dynamic behavior can be analyzed in the R2 plane. In the two-dimensional model, if the threshold parameter R > 1, the endemic state becomes globally asymptotically stable. During the analysis of its dynamic behavior, a trapping region is found which contains a heteroclinic orbit connecting the slowing point, namely the origin and the endemic point. By using heteroclinic orbits, it can be estimated the time period required from a state to reach a certain state.
SISTEM PEREKOMENDASI DENGAN SINGULAR VALUE DECOMPOSITION DAN TEKNIK SIMILARITAS PEARSON CORRELATION Rimbun Siringoringo; Jamaluddin; Gortap Lumbantoruan
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.257

Abstract

The growth of e-commerce has resulted in massive product information and huge volumes of data. This results in data overload problems. In the case of e-commerce, consumers or users spend a lot of time choosing the goods they need. The urgent question to be answered at this time is how to provide solutions related to intelligent information restrictions so that the existing information is truly information that is by preferences and needs. This research performs information filtering by applying the singular value decomposition method and the Pearson similarity technique to the book recommendation system. The data used is the Book-Crossing Dataset which is the reference dataset for many research recommendation systems. The resulting recommendations are then compared with e-commerce recommendations such as amazom.com. Based on the results of the study obtained data that the results of the recommendations in this study are very good and accurate.
DETEKSI JUMLAH KENDARAAN DENGAN ALGORITMA GAUSSIAN MIXTURE MODEL DI AREA JALAN RAYA Iklillurofi Akbar Nafiudin; Rahmat Tofik Hidayat; Ajeng Mustika Putri; Ahfas Reza Maulana
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.258

Abstract

Road safety monitoring systems are developing at this time. The transportation sector is the object of research that continues to be developed and is always an interesting topic. Not only for security purposes and for statistical purposes for the road widening process that supports road user infrastructure, but the detection system is also useful for sales marketing statistics. In this research, propose a vehicle detection system that is useful for widening roads in a certain area or area so that it can reduce traffic congestion and accident rates. The proposed Gaussian Mixture Model method has several weaknesses, such as errors in background substitution with vehicles and failing to distribute the background with vehicle shadows. However, using morphological operations can overcome these problems. The results show a fairly good level of accuracy from the proposed method. It is only less effective when using video objects with poor lighting or at night because in the blob analysis process the detected vehicle objects do not match the actual object. But if the traffic flow is smooth and unidirectional, the proposed method is still acceptable.
PENERAPAN METODE TOPSIS SEBAGAI PENGUKURAN DALAM PENETAPAN KANDIDAT CALON PENERIMA KIP PADA PERGURUAN TINGGI SWASTA (PTS) Eva Julia Gunawati Harianja
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.259

Abstract

Education and teaching are the rights of every citizen as regulated in the 1945 Constitution which is written in article 31, paragraph (1). However, the high cost of education sometimes becomes an obstacle for economically disadvantaged people, so that many secondary graduates are unable to continue their education to higher education even though they have good academic potential. The government has tried to provide a solution to this problem by organizing the Smart Indonesia Program (PIP) in helping its citizens obtain the right to higher education, namely through the provision of KIP Lectures that can be submitted by students at PTN and PTS. Private universities which act as facilitators for students in submitting KIP Lecture applications are expected to be more selective in the candidate selection process so that the distribution of assistance is right on target. Determination of KIP Lecture recipients based on certain criteria is often a problem in the decision-making process. To express the preferences of decision makers on the most desirable alternative, it can be done by applying the Technique For Order Preference by Similarity to Ideal Solution (TOPSIS). The TOPSIS method will be combined with fuzzy logic to determine the weight value for each criterion attribute, followed by a ranking process to select the best alternative, in this case a valid alternative as a beneficiary that fits the criteria. With this method, it is hoped that the assessment process will be more precise and accurate because it is based on predetermined criteria and weights. Keywords:,
SIMULASI PENDETEKSI KELEMBABAN PADA TANAH MENGGUNAKAN SENSOR DHT22 DENGAN PROTEUS Ahmad Roihan; Aditya Mardiansyah; Adlan Pratama; Akmal Ardhi Pangestu
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.260

Abstract

This study aims to provide convenience for farmers and orchid lovers. Because giving water to orchid plants requires special attention if the orchid plant has too much water at the time of watering, the orchid plant cannot grow optimally and vice versa, if the orchid plant at the time of watering, the orchid plant lacks water then the orchid plant does not grow optimally, This tool uses a DHT22 sensor. Answering this problem, the researchers created an automatic orchid sprinkler with a DHT 22 sensor. The DHT22 sensor was chosen over the DHT11 sensor because it has a wide measurement range, namely 0 to 100% for humidity and -40 degrees Celsius to 125 degrees Celsius for temperature. This sensor also has a high-accuracy digital output. DHT 22 requires a supply voltage of 2.4 and 5.5 V. Serial clock input is used to synchronize communication between the microcontroller and DHT22, then it is used to transfer data from and to DHT22. Product trials are carried out to determine the performance of products that have been made and product revisions are made if there are errors, then trial use on orchid plants.
MODEL INFORMASI KEPUTUSAN BERBASIS TOPSIS APLIKASI ANDROID Taufiq; Maryana; M.Daud
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.261

Abstract

Information Technology in spatial data processing has developed to a point where these results are in line with the application challenges required by natural resource management. In addition, the internet, geomatics, and telecommunications are rapidly changing the way natural resources are managed and protected. These provide more accurate and up-to-date information and are quickly available to users. Regional potential is a product that exists in an area that can be developed and is able to provide benefits to the local community and can be used as a supporter of the national economy. This understanding gives the connotation that optimal management planning is needed in order to achieve the intended expectations, so this decision support system is presented in a simple form for easy access on Android smartphone devices. Applications are made with Eclipse as an editor as well as compile and builder and SQLite for the application database.
SISTEM PAKAR DIAGNOSIS PENYAKIT HIPERTENSI DENGAN MENGUNAKAN METODE FORWARD CHAINING DAN TOERI PROBABILITAS Emma Rosinta Simarmata
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.398

Abstract

At this time hypertension is a disease that endangers the community a lot because people often ignore it because this disease does not quickly affect the body but will slowly damage health. Hypertension is not contagious but can trigger other diseases, such as stroke and heart disease. The habit of people who will check their health after experiencing problems causes delays in their help. Symptoms of hypertension can be detected early so that people can prevent the seriousness of the disease. The expert system is one of the fields of science that can help the public to check whether a person has hypertension and the type of hypertension and the percentage of possible diseases he suffers because the expert system can be designed how to work as an expert. The expert system designed uses several stages, namely (1) system requirements analysis, (2) input and output design, (3) coding, and (4) testing. This expert system will be represented in the form of rules, the method of reasoning using the forward chaining method, and probability theory in calculating the percentage of rules that are fulfilled. The form of output (results) from the expert system is in the form of diagnostic results based on the symptoms given and suggestions that are in accordance with the diagnosis used are forward chaining, namely drawing conclusions from several types of hypertension obtained from symptoms. The output of the system is the type of hypertension diagnosed and the solution for the diagnosis. Keyword : Sistem Pakar, Forward Chaining, Hipertensi, Diagnosa
OPTIMASI KETAHANAN WATERMARKING AUDIO DIGITAL MENGGUNAKAN ALGORITMA RSA DAN MSB Rumahorbo, Benget; Perangin-angin, Resianta
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.409

Abstract

Copyright is a serious problem in the digital world, the process of sending and distributing digital media is so easy nowadays, copyright in the digital world is very detrimental to those who feel that their digital rights are copied and pasted or taken without the consent of the creator. Therefore we need a way where when a digital file can be identified as original as a product, one of the right ways is to use a watermark technique. But often this watermark process can be lost or cannot be extracted because the digital file has gone through a compression process, duplicate, or something else. So in this study, it will be tried to increase the durability of a watermark in digital audio as a solution for identifying copyrighted digital works. Where the watermark process will use the RSA and MSB algorithms to enter information into a digital audio file, later this information can be extracted to view copyright ownership information from the digital audio. And it is hoped that this watermarking is resistant to various digital audio processes such as compression, duplication, and editing carried out on the file. the information that is inserted into is maintained without compromising the quality of the digital audio.
PERANCANGAN ANIMASI 2D FIKSI GUNA MEMPELAJARI PENYAKIT SKIZOFRENIA DENGAN JUDUL SPLIT MIND Jenifer; Napitupulu, Junika
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 7 No. 1 (2021): Maret 2021
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v7i1.427

Abstract

Indonesian people knowledge about mental disorders and awareness about the environment is still classified as low, negative, or stigmatized views about mental illnesses patients end up frequently treated in the wrong way. Even though a lot of information about mental illnesses like schizophrenia can be found on the internet in many forms like articles, pictures, videos, and animations. The animation is a connector between education and entertainment because it is presented in an interesting and easy-to-understand way. Therefore the author interested to design an animation Teaser about environmental awareness and schizophrenia in the title "Designing Fiction 2D Animation about Schizophrenia Titled Split Mind"

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