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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) TEKNIK INFORMATIKA Jurnal Teknologi dan Manajemen Informatika Telematika : Jurnal Informatika dan Teknologi Informasi Jurnal Inovasi Teknologi Pendidikan Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Sinkron : Jurnal dan Penelitian Teknik Informatika Paradigma Jurnal Ilmiah FIFO JURNAL MEDIA INFORMATIKA BUDIDARMA SMARTICS Journal Faktor Exacta Rang Teknik Journal JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) STRING (Satuan Tulisan Riset dan Inovasi Teknologi) JURNAL TEKNOLOGI INFORMASI Jurnal Mantik Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Scientific Journal of Informatics CICES (Cyberpreneurship Innovative and Creative Exact and Social Science) Journal of Intelligent Decision Support System (IDSS) Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknologi Informatika dan Komputer Journal of Computer Networks, Architecture and High Performance Computing Jurnal Indonesia : Manajemen Informatika dan Komunikasi JUSTIN (Jurnal Sistem dan Teknologi Informasi) Jurnal Ilmiah Multidisiplin (JUKIM) JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) SAGA: Journal of Technology and Information Systems Jurnal Indonesia : Manajemen Informatika dan Komunikasi

Ratih Titi Komalasari

Informatika, Universitas Nasional Jakarta

Author-ID : 1381991

Aerospace Engineering Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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Design and Build Vespa Motorcycle Queue Service System with Android-Based Multi-Channel Single Phase Method: Design and Build Vespa Motorcycle Queue Service System with Android-Based Multi-Channel Single Phase Method Muhammad Rafli; Fauziah Fauziah; Ratih Titi Komala Sari
Jurnal Mantik Vol. 4 No. 1 (2020): May: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

The queue of the most unpleasant activities for almost everyone in the world, a queue which means waiting for their turn to get service from a facility, such as Vespa motorcycle users who want to get service to repair their vehicles in the garage easily and quickly. Repairs are carried out ranging from minor maintenance to heavy maintenance such as dismounting the engine. The irregularity of existing service queues at Vespa motorcycle workshops makes consumers feel uncomfortable and disadvantaged. Therefore it requires an easy and regular Vespa motorcycle queue service. For this we need a system that can manage the queue service process for users. The method used to regulate services is Multi Channel Single Phase, namely there are two or more service system entry lanes and there is only one service facility in each lane. This method was chosen because it is able to set the queue, speed up the work process and shorten the waiting time for customer service.

Android & Ios Covid19 Data Clustering Application Using Flutter with K-Means Algorithm Wildan Alfy Syahry; Fauziah; Ratih Titi Kumalasari
Jurnal Mantik Vol. 4 No. 3 (2020): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.Vol4.2020.1029.pp1855-1867

In the current pandemic, Covid19 has a tremendous impact on the survival of mankind. The government has made efforts to spread Covid19 so that it does not spread much in Indonesia, and now it is in the process of being called PSBB (Large-Scale Social Restrictions) but many Indonesians still violate and ignore the program. There are still many who travel to the Mall, Coffe shop, and even abroad. In this 2020 Era, mobile technology is now an important component of human life, so it is possible to harness the power of mobile technology to make the Indonesian people who still want to violate the program of this government aimed at reducing the spread of COVID-19. So the author aims to create an application that can be accessed through Android & Ios

E-Voting Information System for the General Election of the Head of the Community with Black Box Testing and Dummy Variable Regression Analysis Irfan Hadi Putra; Ucuk Darusalam; Ratih Titi Komala Sari
Jurnal Mantik Vol. 5 No. 2 (2021): Augustus: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.Vol5.2021.1378.pp661-669

General elections are basically still carried out conventionally, namely by using paper media in voting. This will lead to weaknesses in the calculation of votes such as a waste of money and time. This study aims to develop a website-based e-voting information system in the general election for the chairman of the RW which is expected to minimize the weaknesses of conventional elections. This system was developed to make the voting process more efficient and easy to use. This application is designed using the PHP programming language and MySQL database, using the waterfall method. By doing black box testing, it is hoped that the e-voting system can run well functionally without any error, and dummy variable testing to determine the influence of voters in selecting candidates based on graduation rate

SISTEM OPTIMASI PENJADWALAN KERETA API JAKARTA-YOGYAKARTA DENGAN METODE ALGORITMA GENETIKA Sodi Fachreza; Ratih Titi Komala Sari; Fauziah Fauziah
Rang Teknik Journal Vol 2, No 2 (2019): Vol. 2 No. 2 Juni 2019
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Keberadaan komputer telah menggantikan banyak tenaga kerja manusia, baik di bidang bisnis,industri maupun transportasi. Hal ini tidak bisa disalahkan karena memang terbukti bahwa sistem komputerisasi jauh lebih efisien dan menguntung kan bagi perusahaan dibanding dengan sistem manual (dengan tenaga kerja manusia). Hampir setiap perusahaan, khususnya yang sedang berkembang dan maju saat ini berlomba-lomba untuk mengkomputerisasi sistem yang dimiliki perusahaannya, untuk meningkatkan efisiensi dan efektivitas kerja. Dengan perancangan yang dilakukan dalam pembuatan penelitian ini adalah penjadwalan keberangkatan kereta yang akan diatur dalam sistem komputerisasi. Kemudian pengaturan jadwal keberangkatan dengan kereta api yang berbeda, hari dan jam keberangkatan yang ditempuh untuk sampai pada tempat tujuan ditata seoptimal mungkin dengan menggunakan metode Algoritma Genetika.

Mixed Reality Edukasi Pengenalan Bioma dengan Metode Occlusion Detection dan Algoritma FAST Corner Detection Rizki Akbar Mahdafiki; Fauziah Fauziah; Ratih Titi Komala Sari
Jurnal Inovasi Teknologi Pendidikan Vol 9, No 1 (2022): April
Publisher : Universitas Negeri Yogyakarta

Disebabkan cepatnya perkembangan teknologi yang terjadi, secara tidak langsung mempengaruhi banyak bidang, salah satunya dalam bidang pendidikan. Untuk membuat sistem pembelajaran menjadi lebih interaktif, dibuatlah sebuah aplikasi dengan mengimplementasikan teknologi Mixed Reality (MR), yang merupakan hasil kombinasi Virtual Reality (VR) dengan Augmented Reality (AR). Penelitian ini mengimplementasikan teknologi Mixed Reality untuk media edukasi tentang jenis serta karakteristik bioma berbasis android yang memanfaatkan teknologi 3D sebagai objek pembelajarannya. Pengguna dapat berinteraksi dengan objek virtual, dan untuk memunculkan objek virtual dibutuhkan sebuah marker sebagai penanda dari objek virtual. Algoritma FAST Corner Detection akan memindai marker untuk menentukan titik tengah gambar pada marker. Agar mendapatkan hasil yang lebih nyata dan interaktif digunakan metode Occlusion Detection, sehingga objek virtual dapat berinteraksi langsung dengan pengguna aplikasi. Aplikasi telah diuji pada perangkat dengan versi sistem operasi android yang berbeda-beda, yaitu Nougat (7.0) hingga R (11.0) dimana hasil pengujian jarak terhadap marker bervariasi, mulai dari jarak terdekat sebesar 10 cm hingga terjauhnya yaitu 240 cm hingga 300 cm. Juga hasil pengujian sudut kemiringan terhadap marker, batas maksimal sudut kemiringan marker dapat dipindai adalah sebesar 80°. Waktu respon Mixed Raeality pun diuji dengan cara menghitung lama waktu munculnya objek virtual saat pertama kali kamera memindai marker, yang menghasilkan waktu 0,5 detik.

Implementasi Algoritma Dijkstra Rute Terpendek pada Aplikasi WisKul PasMing Muhamad Reza Pahlevi; Ratih Titi Komalasari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 6 No 4 (2022): OCTOBER-DECEMBER 2022
Publisher : KITA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v6i4.554

Indonesia is famous for its various kinds of culinary tourism and spread in various areas of the city of Jakarta. Various types and locations of culinary make it difficult for local and foreign tourists to find and choose culinary dishes and the routes to culinary locations in Jakarta are very numerous and varied, especially foreign tourists. Therefore, the author tries to make an android-based culinary tourism location search application in the hope that it can provide a lot of culinary location information with the fastest and closest tracks, and is equipped with a map of culinary tourism locations. The algorithm used to find the shortest track uses the Dijkstra algorithm. The Dijkstra algorithm is a search algorithm for the shortest track based on the smallest track (edge) from the implementation location to the destination culinary tourism location. Culinary tourism area data and road data obtained from Google Earth and Google maps. From the origins of the trial of instances which have been done, it could be visible that the application has succeeded in implementing the Dijkstra solving procedure in finding the shortest route to culinary locations. This study produces the following distance node values BCDEJIF, ABCDFGHINM, MNIFDCBAE, BAEJNMLKHG, ABCDFGHIJE ABCDFGHILM, ABCGHKLMNIJE.

Aplikasi Perbandingan Sistem Perbaikan Citra Digital menggunakan Metode Dekonvolusi Wiener, Lucy Richardson, dan Regularized Dika Rizki Darmawan; Fauziah Fauziah; Ratih Titi Komalasari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 4 No 2 (2020): JULY-DECEMBER 2020
Publisher : KITA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v4i2.154

In some cases, there is some damage to an image caused by interference during the image capture process. Blurred image damage can be overcome by deconvolution digital image processing. There are various methods to repair the image blur damage, including using the Regularized, Wiener, and Lucy Richardson deconvolution methods. Each blurring image repair method produces a different debluring result of image processing. Image comparison application was built to compare the ability of image restoration results to a Motion Blur image with the algorithms used in deconvolution. Image restoration comparison parameters used include determining the MSE and PSNR values between the test image and the deconvolved image. The results of implementing the comparative application of Motion Blur image improvement to 270 blur simulations consisting of 9 different levels of image blurring, obtained the average PSNR value for Wiener's deconvolution = 59.16dB, Lucy Richardson = 26.92dB and Regularized = 36.94dB.

Algoritma Fisher-Yates sebagai Pengacak Soal pada Game Edukasi: Ruang Geometri Alma Bryan Fitri Finika; Septi Andryana; Ratih Titi Komalasari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 5 No 1 (2021): JANUARI-MARET 2021
Publisher : KITA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v5i1.163

The perception of many students that mathematics is known to be difficult has made the experience negative, so that it has a general impact when adjusting to meeting material calculations. One of the basic materials of mathematics is geometry. This material has provided experiences for Elementary School (SD) children at grade 2 (two) to grade 4 (four). So, one solution is to play with Geometry Space. One of the android-based educational games that provides a media for self-adjustment in understanding material from Geometry. This study designed the Fisher-Yates algorithm in an educational game based on android which is named "Ruang Geometri". An algorithm that will help in randomizing the questions on the "Ruang Geometri" quiz. The purpose of this game is to change students' perceptions to be positive about mathematics because it is no longer a scary subject but fun. The results of this study are to recognize flat and space shapes in the form of educational games.

Sistem Pakar Diagnosa Kerusakan VGA dengan Metode Certainty Factor dan Algoritma K-Nearest Neighbor (K-NN) Rizal Maulana Yusuf Effendi; Septi Andryana; Ratih Titi Komala Sari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 5 No 1 (2021): JANUARI-MARET 2021
Publisher : KITA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v5i1.168

VGA (Video Graphics Array) is a Video adapter which is very useful for improving the performance and quality of the visual process on a computer, but sometimes there is often a malfunction that cannot be identified the type of damage. The problem is the lack of media to identify the damage that occurs during visual processing. Therefore, the authors created an expert system that can diagnose the type of damage to VGA using the Certainty Factor method as a calculation, using UML modeling as the work process flow of the system on the website, and also equipped with the KNN (K-Nearest Neighbor) algorithm as machine learning. so that it can build an expert system with the PHP programming language MySQL database. The method used in testing is the black box method in testing the system used. The results that can be concluded from this study are; 1) The diagnostic system for detecting damage to the VGA uses the K-Nearest Neighbor Algorithm as machine learning and the Certainty Factor Method as a calculation medium in determining the distance from the type of damage and has suggestions for further actions to deal with and prevent the damage from occurring and also has other possible damage things that are similar to the damage suffered can be accessed quickly and easily to understand, in making scientific research carried out sequentially to facilitate the process, and 2) In addition to diagnosing, there are several additional menus that can be accessed such as the Prediction menu which functions to displays the max and min limits of the temperature of a product, Product Info which functions as a quality product recommendation, and a description that contains a post of details of the damage that can be studied and is expected to help users find solutions to their problems.

Sistem Pakar Diagnosa Penyakit Tanaman Rambutan dengan Metode Forward Chaining dan Certainty Factor Berbasis Android Bayu Abrianto Risnadi; Fauziah Fauziah; Ratih Titi Komala Sari
Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Vol 5 No 3 (2021): JULY-SEPTEMBER 2021
Publisher : KITA Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/jtik.v5i3.188

The purpose of this research is to create an expert system application to diagnose diseases in the rambutan plant that can be accessed anytime and anywhere so that the handling of the disease can be done appropriately. The Forward Chaining and Definity Factor methods are used because they are very suitable for expert systems that diagnose something that is uncertain so that the manual calculation results from the symptom data and the existing expert values result in a 98.91% confidence level percentage, and solutions are given to treat disease-stricken plants. The implementation uses Android Studio so that the application can run dynamically on various devices so that farmers can immediately find out what is happening with the conditions of their rambutan plants directly.

Co-Authors Abdul Aziz Hasibuan Adinne Islamiyati Aditya Prasetya Afif Maulana Agung Triayudi Ahmad Fahreza Ahmad Khuzaifi Aldisa, Rima Tamara Alfian Cutryanto Alma Bryan Fitri Finika Andriana, Septi Andrianingsih Anwar Anwar Arief, Arya Asep Nurdin Asrul Sani Bayu Abrianto Risnadi Bayu Yasa Wedha Darmawan, Dika Rizki Dede Wandi Dika Rizki Darmawan Diranisha, Virly Doddy Prasetyo Endah Tri Esti Handayani Fachreza, Sodi Farhany, Nadia Muis Fauziah Fauziah Faza Nadhira Fikar Wahyu Tyas Tono Finika, Alma Bryan Fitri Firdhani Novrizal Firman Firman Ghirrid, Aria Andros Gusti Karnawan Handayani, Endah Tri Esti Hasibuan, Abdul Aziz Hindarto, Djarot Ikbal Danu Setiawan Indriawan, Rizal Ira Diana Sholihati Irfan Hadi Putra Kiki Vebiant Ladika, Anwar Wali M Alwi Saepul Zaman M Iwan Wahyuddin M. Iwan Wahyuddin Mardiani, Eri Mochamad Hariadi Moh Iwan Wahyuddin Moh. Iwan Wahyuddin Moh. Iwan Wahyuddin Muhamad Reza Pahlevi Muhammad Hafizhan Muhammad Ikbal Muhammad Ikbal Muhammad Nurdin Muhammad Nurdin Muhammad Rafli Mustofa Kamal Syarifudin Naqiyah, Shofy Novi Dian Nathasia Nur Aprilia Nur Hayati Pamungkasari, Panca Dewi Pandyawan Eka Rizqullah Prasetya, Aditya Puspita, Anna Thasyia Putra, Irfan Hadi Raditya, Muhammad Maheswara Raffi Dima Sampurno Rahmat Azyad Samallo Raja Timor Purba Raka Adji Setiawan Ravi Anwar Rena Cahya Hutama Reza Rifqi Maulana Rifqi Aldy Al Hafizh Harahap Rifqi Naufal Senja Pratama Risnadi, Bayu Abrianto Rizal Maulana Yusuf Effendi Rizki Akbar Mahdafiki Salsabilah, Salsabilah Sampurno, Raffi Dima Sapto Wibowo Sari Ningsih Septi Andriana Septi Andryana Setiawan, Ikbal Danu Setiawan, Raka Adji Shobur Abdusalam Sholihati , Ira Diana Sholihati, Ira Diana Sodi Fachreza Suryana, Muhamad Fajar Teguh Riyono Adi Tyas Tono, Fikar Wahyu Ucuk Darusalam Vebiant, Kiki Wa'asaro Telaumbanua Wahyu Suratman Wahyuddin, M Iwan Wahyuddin, Moh. Iwan Wahyuddin, Mohammad Iwan Wedha, bayu Yasa Wildan Alfy Syahry Wilsen Wilsen Wilsen Wilsen, Wilsen Wulan Widhari Yanuar Bimantoro Yusuf Effendi, Rizal Maulana Zaman, M Alwi Saepul

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