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INDONESIA
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING
Published by Universitas Medan Area
ISSN : 25496247     EISSN : 25496255     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Engineering
JURNAL TEKNIK INFORMATIKA, JITE (Journal of Informatics and Telecommunication Engineering) is a journal that contains articles / publications and research results of scientific work related to the field of science of Informatics Engineering such as Software Engineering, Database, Data Mining, Network, Telecommunication and Artificial Intelligence which published and managed by the Faculty of Informatics Engineering at the University of Medan Area .
Arjuna Subject : -
Articles 412 Documents
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Business Process Design With BPR Life Cycle in Fertilizer Provision Ghina Anggun; Farrikh Alzami; Mila Sartika; Sri Handayani; Jumanto; Rindra Yusianto; Firman Wahyudi
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 6 No. 2 (2023): Issues January 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i2.8526

Abstract

Fertilizer is a supporter of soil growth and enrichment so as to increase agricultural production while at the same time improving environmental quality. The use of fertilizer is adjusted to the amount of land needed and the number of seeds purchased. In reality, fertilizer for shallots is still difficult to obtain, and prices are still high above retail prices, making shallot farmers want fertilizer subsidies from the government even though the subsidies provided are still inadequate and uneven. The purpose of this study was to analyze the effect of providing fertilizer on land area, seed needs, and prediction of fertilizer needs for shallots. The results of this analysis resulted in the design of business processes in the supply of fertilizers using the Business Process Reengineering Life Cycle method. Primary data collection was carried out using questionnaires and interviews with shallot farmers. The results showed that the production of fertilizer needs in accordance with the area of land and the number of seeds used. Therefore, efforts to increase the competitiveness of shallots can be carried out by proposing the BPR Life Cycle, so that the proposed framework is expected to be realized in order to increase productivity and build farmer institutions to realize further agricultural development.
Business Process Reengineering for Red Onion E-Commerce System Muhammad Noufal Baihaqi; Candra Irawan; Farrikh Alzami; Mila Sartika; Sri Handayani; Jumanto; Rindra Yusianto; Pulung Nurtantyo Andono
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 6 No. 2 (2023): Issues January 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i2.8549

Abstract

Agriculture is a source of income for the country. One of the most promising agricultural commodities is shallots. Shallots are always found in every traditional market, traditional markets are one of the connecting places between buyers and sellers of shallots to carry out buying and selling activities of shallots. Onion buying and selling activities carried out in traditional markets are still conventional in this case, such as payment processing activities that still use cash, then in traditional markets the price of shallots is still not fixed, aka buyers can still haggle, so these two things are quite time-consuming and personnel in business process activities of shallot sales transactions. For this reason, here the author has the goal of doing business process reengineering to make the business process of buying and selling shallots in traditional markets more effective and efficient. By using the business process reengineering method, shallot transaction activities can be carried out using an e-commerce system, where the aim of this e-commerce system is to produce faster times for shallot transaction activities, process trimming, and reduce human resources in previous business process activities. as well as reducing costs. Thus, it is hoped that e-commerce can make the business process of buying and selling shallots between consumers and shallot traders more effective and efficient.
Analysis Of Variation In The Number Of MFCC Features In Contrast To LSTM In The Classification Of English Accent Sounds Afriandy Sharif; Opim Salim Sitompul; Erna Budhiarti Nababan
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 6 No. 2 (2023): Issues January 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i2.8566

Abstract

Various studies have been carried out to classify English accents using traditional classifiers and modern classifiers. In general, research on voice classification and voice recognition that has been done previously uses the MFCC method as voice feature extraction. The stages in this study began with importing datasets, data preprocessing of datasets, then performing MFCC feature extraction, conducting model training, testing model accuracy and displaying a confusion matrix on model accuracy. After that, an analysis of the classification has been carried out. The overall results of the 10 tests on the test set show the highest accuracy value for feature 17 value of 64.96% in the test results obtained some important information, including; The test results on the MFCC coefficient values of twelve to twenty show overfitting. This is shown in the model training process which repeatedly produces high accuracy but produces low accuracy in the classification testing process. The feature assignment on MFCC shows that the higher the feature value assignment on MFCC causes a very large sound feature dimension. With the large number of features obtained, the MFCC method has a weakness in determining the number of features.
Development of Engineering Vocational Choice Systems in Higher Education elsa sabrina; Muhammad Anwar; Hansi Effendi; Resmi Darni
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 6 No. 2 (2023): Issues January 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i2.8830

Abstract

The high unemployment rate is a challenge for the world of education because not all graduates succeed in entering the world of work. Higher education is one of the largest contributors to unemployment in Indonesia. Likewise with the objectives of vocational education which are expected to be able to immediately work and create jobs. The problem is that not all majors are according to personality type. Therefore, researchers will develop a system aimed at recommending majors in higher education based on personality types. The method used is the Research and Development (R&D) method using the Four D (4 D) model a. Defining stage (Define); b) Design Stage (Design); c) Development Stage (Develop); d) Stage of Spread (Disseminate). This research was only carried out to the extent of development and resulted in a valid system to be implemented based on the validator's assessment. The data collection instrument consisted of product and linguistic expert validation sheets. This study shows that the validation results have an average percentage of 92.5% with a valid category. Based on the results of the research and discussion, it can be concluded that the system is valid to be used as a reference in selecting majors
Development of Interactive Learning Media in Computer Subjects and Basic Networks in Vocational High Schools Islapirna Islapirna; Fadhilah; Yeka Hendriyani; Wakhinuddin
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 6 No. 2 (2023): Issues January 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v6i2.8867

Abstract

The use of technology in the educational process is one of the aspects that influence or help fulfill a quality learning process in an effort to achieve educational goals. If the use of this technology is not carried out, there will be many difficulties encountered in the learning process which are given directly by the teacher. This will affect many aspects, such as the teacher's explanation which is difficult to accept and understand and the lack of concentration of students during the learning process because the media provided is monotonous. This study aims to develop learning media and produce valid, practical, and effective media in the subject of Basic Computers and Networks for class X Computer Engineering and Basic Networks at YAPIM Vocational School. The method used in this study is the Research and Development (R&D) method, with a four-D development model. The results obtained from this study are web-based interactive learning media. Based on the results of the study it was concluded that the developed media was declared valid on the media aspect of 86%, the material aspect with a yield of 96%. The developed media is practical with the practicality value of the teacher's response with a result of 97.92% and the student's response is 88.29%, and the resulting web-based interactive learning media is effectively used with the posttest results seen from the students' classical completeness of 100% and the gain score of 0.50 in the moderate category.
Performance Analysis of Naive Bayes Variation Method in Spice Image Classification Using Histogram of Gradient Oriented (HOG) Feature Extraction Taufik Ismail Simanjuntak; Muhathir Muhathir; Fadlisyah Fadlisyah; Ira Safira
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 7 No. 1 (2023): Issues July 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v7i1.7957

Abstract

Indonesia has a lot of natural wealth of spices. The diversity of spices is an inseparable aspect of Indonesian history. Spices and seasonings are biological resources that have long played an important role in human life. Indonesian spices have almost the same color and shape. The purpose of this study was to analyze the performance of the Naïve Bayes variation method in classifying spices using a Histogram Of Oriented Gradient (HOG) feature extraction. Based on 3 tests, the performance of the four Naïve Bayes variation methods carried out in this study, it can be seen that testing 5 types of spices using the Gaussian Naïve Bayes method obtained the best performance with an accuracy of 0.946, a precision of 0.95, a recall of 0.945, f1 score of 0.947, f beta score of 0.946, and Jaccard score of 0.90. Where as using the Complement Naïve Bayes method gets the lowest performance. From the results of this study it can be concluded that by utilizing HOG feature extraction and the Naïve Bayes variation method, maximum classification results are obtained in classifying spices. To obtain more accurate classification results, consider using other methods and other feature extraction
Performance Analysis of the WDM Schemes for RoF System with Various Bit Rate Febrizal Ujang; Affan Dahlan Siregar; Annisa Mardhotillah; Fildza Arifa; Natasya Yulia Ikhsan; Sonia Maharani Putri
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 7 No. 1 (2023): Issues July 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v7i1.8263

Abstract

Communication that combines the methodologies of the two communications can be considered as communication fiber optic communication and can be used in communication systems and wireless. The integration of optical and wireless networks can function to increase mobility and capacity as well as reduce costs in access networks. Radio over fiber (RoF) can be a solution for many problems because it can control many base stations (BS) connected to a central station (CS) with an optical fiber. The high bit error rate (BER) and low Q factor value are caused by the Rof signal head received in low quality, so the receiver may not operate on high data speed networks. The solution to different signal problems and can be done with single mode fiber is the Wavelength Division Multiplexing (WDM) network. BER must be reduced to a guaranteed value, and the Q factor must be increased. WDM-RoF probes with different fiber lengths at various channel distances will be: simulated using Optisystem software, and the performance of the RoF receiver is measured and analyzed depending on the obtained BER, Q-factor value, and eye aperture height. The effects of degradation factors such as attenuation and dispersion are very limited with the addition of EDFA amplifier to Single Mode Fiber (SMF). The higher the bit rate of a communication system, the lower the performance of the system. In this study, analysis of the WDM-Rof system with bit rate variations was carried out to determine the bit rate value that still met the standard. From the simulation results, the Q-Factor and BER values at a bit rate of 11 Gbps do not meet the standards, i.e 4.50508 and 2.5390e-006.
The Selection of the Best Water Attractions Using the SMART Method in Pematang Siantar iin - Parlina; Eka Irawan
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 7 No. 1 (2023): Issues July 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v7i1.8643

Abstract

Di Pematangsiantar objek wisata air tempat rekreasi bermain air yang menjadi perhatian dan daya tarik pengunjung, Tempat rekreasi ini terletak di beberapa daerah kecamatan kota Pematangsiantar. Keunggulan dari setiap tempat objek wisata air tersebut memiliki perbedaan, mulai dari fasilitas, keamanan, jarak, kebersihan dan biaya harga tiket. Berdasarkan perbedaan ini, maka ini dijadikan sebagai bahan dasar dibuat menjadi alternatif untuk mencari informasi tentang kawasan objek wisata air. Dengan tujuan agar penelitian ini dapat memberikan keputusan terbaik bagi pengunjung nantinya untuk dapat mengetahui informasi tentang tempat objek wisata air yang layak dikunjungi. Ada 11 tempat objek wisata air yang diambil untuk bahan yang dijadikan sebagai alternatif salah satunya adalah Water Park Bahsorma, Water Park siantar, Water Park Martoba, Water Park Marihat, dan Water Park Indah Karangsari. Dimana pengambilan pendukung keputusan terbaik dihitung menggunakan metode SMART (Simple Multi Attribute Rating Technique), Hasil perhitungan pengambilan keputusan yang terbaik adalah sebagai rekomendasi wahana tempat objek wisata air yang akan dikunjungi dengan menerapkan metode SMART, maka hasil yang diperoleh adalah alternatif Water Park Siantar Matoba dengan nilai 0,25 sebagai Alternatif terbaik pada urutan pertama, sedangkan objek wisata air Water Park Bahsorma dengan nilai 0,23 merupakan alternatif yang berada pada urutan kedua sebagai rekomendasi objek wisata air yang paling banyak dikunjungi oleh wisatawan local maupun luar daerah kota Pematangsiantar.
Webcam-Based Physical Distancing Prototype to Calculate Real-Time Distance by Applying Euclidean Distance Syauqas Rahmatillah
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 7 No. 1 (2023): Issues July 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v7i1.8672

Abstract

The Covid-19 virus has spread rapidly in Indonesia in recent years, significantly increasing the number of victims in the community. However, there is a lack of warnings for violators of physical distancing. This study aims to create a system as a solution to overcome the problems of implementing physical distancing protocols. Image capture media in the form of cameras were used to monitor human objects in crowded situations by tracking the movement of objects at regular physical distances. In this study, computer vision, image processing, and pattern recognition were used to construct the distance measurement between humans. Using a webcam by applying the Euclidean Distance and Haar Cascade methods, this system is intended to determine the distance between human-made objects. The results demonstrated that a digital image system employing the Haar Cascade and Eucludien Distance methods could make it easier to control the gathering point in a given area. Researcher has developed a software usage assistance feature for use with this application. Based on the findings of the study, the accuracy of this system was evaluated using 100 trials, with a succes rate of 100% since the system resulted correct notification in all trials. In addition, this digital image system is anticipated to assist developers and the general public in controlling gathering locations that do not adhere to established health protocols, allowing violations of physical separation to recognize their errors when captured on camera immediately.
Enhancing Unbalanced Data Classification with Cross-Validation and Extreme Gradient Boosting: A Comprehensive Analysis muhammad riki atsauri; herman mawengkang; syahril efendi
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 7 No. 1 (2023): Issues July 2023
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v7i1.8690

Abstract

As a novel and efficient ensemble learning algorithm, XGBoost has been widely applied due to its multiple advantages, but its classification effect in cases of data imbalance is often not ideal. Aiming at this problem, efforts were made to optimize XGBoost and the Cross Validation algorithm. The main idea is to combine cross validation and XGBoost on unbalanced data for data processing, and then get the final model based on XGBoost through training. At the same time, optimal parameters are searched and adjusted automatically through optimization algorithms to realize more accurate classification predictions. In the testing phase, the area under the curve (AUC) is used as an evaluation indicator to compare and analyze the classification performance of various sampling methods and algorithm models. The results of the model analysis using AUC are expected to verify the feasibility and effectiveness of the proposed algorithm.

Page 29 of 42 | Total Record : 412

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