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All Journal JURNAL SISTEM INFORMASI BISNIS CESS (Journal of Computer Engineering, System and Science) JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Ilmiah KOMPUTASI Sistemasi: Jurnal Sistem Informasi Sinkron : Jurnal dan Penelitian Teknik Informatika JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING JURNAL MEDIA INFORMATIKA BUDIDARMA SMARTICS Journal Indonesian Journal of Artificial Intelligence and Data Mining IJIS - Indonesian Journal On Information System Jurnal Teknik Informatika UNIKA Santo Thomas JurTI (JURNAL TEKNOLOGI INFORMASI) Jiko (Jurnal Informatika dan komputer) ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA JISTech (Journal of Islamic Science and Technology) JURNAL TEKNOLOGI DAN OPEN SOURCE Jurnal Teknologi Sistem Informasi dan Aplikasi IJISTECH (International Journal Of Information System & Technology) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Simtek : Jurnal Sistem Informasi dan Teknik Komputer Jurnal Dedikasi Pendidikan EDUMATIC: Jurnal Pendidikan Informatika METIK JURNAL Jurnal Mantik Progresif: Jurnal Ilmiah Komputer Jurnal Ilmiah Sains dan Teknologi Zonasi: Jurnal Sistem Informasi Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Jatilima : Jurnal Multimedia Dan Teknologi Informasi G-Tech : Jurnal Teknologi Terapan JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Journal of Computer System and Informatics (JoSYC) INFOKUM Jurnal Sistem Komputer dan Informatika (JSON) TIN: TERAPAN INFORMATIKA NUSANTARA Brahmana : Jurnal Penerapan Kecerdasan Buatan Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Journal of Computer Networks, Architecture and High Performance Computing IJISTECH Journal La Multiapp Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD Bulletin of Computer Science Research KLIK: Kajian Ilmiah Informatika dan Komputer Instal : Jurnal Komputer Jurnal Info Sains : Informatika dan Sains Journal of Dinda : Data Science, Information Technology, and Data Analytics Jurnal Mandiri IT Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Algoritma Edu Society: Jurnal Pendidikan, Ilmu Sosial dan Pengabdian Kepada Masyarakat SENTRI: Jurnal Riset Ilmiah Malcom: Indonesian Journal of Machine Learning and Computer Science International Journal of Science and Environment SmartComp VISA: Journal of Vision and Ideas Da'watuna: Journal of Communication and Islamic Broadcasting Future Academia : The Journal of Multidisciplinary Research on Scientific and Advanced The Indonesian Journal of Computer Science

Rakhmat Kurniawan R

UIN Sumatera Utara Medan

Author-ID : 1733344

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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RANCANG BANGUN APLIKASI PENGAMAN ISI FILE DOKUMEN DENGAN ALGORITMA RSA Rakhmat Kurniawan
ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA Vol 1, No 01 (2017): November 2017
Publisher : UIN Sumatera Utara

Document security is one of the most important things in the exchange of data, especially the exchange of data in the virtual world in which there are many threats when the process is done. Data security, especially for text documents for an organization that assumes that the document is confidential (private and confidential). One aspect of security in a text document is its authenticity, form and contents must be in accordance with the intended by the author. Until now the cryptographic system is one solution to ensure the security of a data that is by encode the contents or content file the document becomes difficult content not even understood through the process of encryption and to recover the original information is done, the decryption process is accompanied by using the key correct. One of the most popular methods in cryptography is RSA, which to this day is very difficult to solve and will take a very long time. This method uses 2 (two) keys, namely public key and private key. Where the key length can be determined and adjusted to the desired level of security.Keywords: data security, RSA, cryptography

PURWARUPA DISPERSI UDARA DALAM RUANGAN MEROKOK Muhammad Siddik Hasibuan; Rakhmat Kurniawan
JISTech (Journal of Islamic Science and Technology) Vol 5, No 1 (2020)
Publisher : UIN Sumatera Utara Medan

Dispersi Udara adalah molekul udara yang sudah di saring atau sudah di urai yang tadinya udara yang tercemar menjadi bersih. Membersihkan udara pada suatu ruangan yang kadar udaranya melewati batas aman yang dapat di terima oleh tubuh dengan membuat alat otomatis yang dapat membersihkan udara pada suatu ruangan yang telah melewati batas aman tersebut. Setiap penguna ruangan yang menghisap asap rokok udaranya akan di bersihkan secara otomatis oleh Alat. Agar alat tersebut dapat berfungsi, maka harus mampu mendeteksi obyek di hadapannya. Salah satu cara yang dapat digunakan untuk mendeteksi keberadaan obyek tersebut adalah Sensor MQ2. Cara Kerja alat ini adalah penguna hanya tinggal meletakan alat pada ruangan yang tercemar oleh asap rokok seperti pada ruangan merokok, alat ini mengunkan adaptor sebagai sumber arus. Ketika alat sudah menyala maka sensor akan membaca kadar asap atau udara yang tercemar pada ruangan kalau udara sudah melebih batas kadar yang sudah ditentukan atau sudah tercemar oleh asap rokok maka kipas akan bekerja dan menyaring udara dan di lcd akan menampikan bahwansannya ada asap rokok dan jika sensor mebaca kadar udara tidak melebihi batas yang di tetapkan maka kipas tidak menyala dan lcd akan menampilkan bebas asap rokok. Untuk itu dengan adanya alat ini dapat mengurangi dampak negatif yang di timbulkan oleh asap rokok.

Prototype of Temperature Control For Cold Chamber Using Fuzzy Based on Microcontroller Rakhmat Kurniawan. R
IJISTECH (International Journal of Information System and Technology) Vol 3, No 2 (2020): May
Publisher : Sekolah Tinggi Ilmu Komputer (STIKOM) Tunas Bangsa

Cold Chamber is a small cold room in a cooling system as a storage place for cold air before the air is flowed to the object to be cooled. A cooling system will be greatly influenced by temperature lowering sources. To be able to provide optimal results in a cooling system, it requires a cold chamber whose temperature can be controlled automatically. To be able to control the temperature, a tool is needed. So that the tool can control the temperature, the tool needs a sensor that can read the temperature in the cold chamber, namely DS18B20. This sensor works by reading the temperature of the environment and then sending it to the microcontroller. To control the temperature, the microcontroller will send commands to the fan which functions as a sender of cold air to the cold chamber, and a pump which functions to drain water on the hot side of the cooling element. The cold air source in this tool comes from Peltier TEC1-12706. The reading result and the desired temperature setting will be displayed on the LCD. If the actual temperature is greater than the desired temperature, the fan will blow more cold air into the cold chamber and the pump will flow water faster. If the actual temperature is less than the desired temperature, the fan will stop blowing and the pump will slow down the flow of water. With this tool, it will be easier to adjust the temperature in a cooling system.

Model Prediksi Kelulusan Mahasiswa Tepat Waktu dengan Metode Naïve Bayes Armansyah Armansyah; Rakhmat Kurniawan Ramli
Jurnal Pendidikan Informatika (EDUMATIC) Vol 6, No 1 (2022): Edumatic: Jurnal Pendidikan Informatika
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/edumatic.v6i1.4789

There is a gap in the number of students in and out of graduating on this study program. The gap occurs due to the low graduation of students on time. Therefore, this study aims to design a model of student graduation predictions on time and not on time in finding solutions to that gap. The predictive model used in this study is Naïve Bayes. The data used in the form of 44 graduate data in 2020 is divided into two parts of the analysis stage with RapidMider, namely 38 graduates (training) and six data for testing. Our findings showed that the resulting research prediction model was excellent, with five data from six graduates matching the predictions in the first test, while one data was illegible. However, in the second test, six graduate data are exactly the same as modeling, whose accuracy shows a value of 100%.

Document Based Text Data Security Using the Prime Generator Algorithm Fermat's and the ElGamal Algorithm Andre Gusli Agus Riadi; Mhd.Furqan; Rakhmat Kurniawan
INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (514.486 KB)

Elgamal is an asymmetric key cryptography algorithm, which means that Elgamal cryptography requires two keys to perform the encryption and description processes, while the key used in the Elgamal algorithm is the public key for encryption while the private key is for decryption. The public key and private key are obtained using the help of other algorithms, one of which is the fermat prime generator algorithm, this fermat prime generator algorithm has a role to find prime random numbers where the randomized prime numbers obtained are used to form the public and private keys. In this study, the researcher wants to combine these two algorithms to secure text-based document files. The result of this research is an application that can secure text-based document files.

PROTOTYPE ROAD GUIDE TOOL FOR BLIND PEOPLE BASED ON FUZZY LOGIC Mhd. Furqan; Rakhmat Kurniawan; Siti Sarah Harahap
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (384.783 KB)

One of the physical limitations that exist in humans is blindness. Because it is difficult to see, they need tools to help them carry out their daily activities. A tool is needed to help guide them in walking activities. A walking guide tool for blind people based on fuzzy logic is one solution to help them in walking activities. By using a microcontroller as a controller of the ultrasonic sensor, buzzer, DC motor, and water sensor. The ultrasonic sensor is used to read the objects in front of the tool and provide this information to the microcontroller. The data sent by the sensor to the microcontroller will be processed and send sound information (buzzer) and vibrations (DC motor) when the ultrasonic sensor detects an object with a predetermined distance to the visual impaired. This guide tool for visually impaired persons uses fuzzy logic as a control system, by applying the fuzzy logic method to the blind aids to be able to provide logic output to the objects it detects at a predetermined distance range. Based on the results of research, a guide tool for blind people with fuzzy logic for the success rate in detecting objects on sensor 1 is 96.82%, while the success rate for sensor 2 is 97.97%. Keywords: Visual Aids, Microcontroller, Fuzzy Logic

AUTOMATIC FISH SORTER WITH MICROCONTROLLER BASED SUGENO FUZZY LOGIC Rakhmat Kurniawan R; Muhammad Siddik Hasibuan; Ivan Prayuda
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (506.408 KB)

Sorting is a stage carried out by fish farmers during the harvesting process. So it is a tool that can help farmers do sorting during the harvest process. Automatic fish sorting tool with Sugeno Fuzzy logic based on a microcontroller is one solution to assist farmers in sorting. With this system we can reduce errors that often occur in the manual sorting process. The main cause of the manual sorting process is that many fish do not match market needs. This system is only used for the process of harvesting catfish for consumption. There are three classifications of weight categories on these tools including small, adequate and large, in the range of values 0-120g, moderately in the range of values of 121-200g and large in the range of values of 201-1000g. This study uses the Sugeno Fuzzy logic method because this method is suitable for use in most real-time problems such as making decisions to find things that are volatile and less certain. In this system there is a microcontroller that has been implanted with Sugeno Fuzzy logic. The sorting process is carried out using a Load Cell sensor as a fish weight counter and assisted by servo movement and the sorting results will be displayed on a 4x20 LCD.

Penentuan Rute Dan Tarif Perjalanan Angkutan Umum Di Kota Medan Menggunakan Algoritma A* Rahmat Kurniawan R; Abdul Halim Hasugian; Putri Hanifah
Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD Vol. 6 No. 1 (2023): J-SISKO TECH EDISI JANUARI
Publisher : STMIK Triguna Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53513/jsk.v6i1.7402

Kota Medan merupakan kota terbesar kedua dengan jumlah penduduk terbanyak dan menempati urutan ketiga di Indonesia sehingga menajdikan Kota Medan banyak memiliki fasilitas umum yang disediakan oleh pemerintah. Salah satu contoh fasilitas umum yang banyak digunakan masyarakat yakni transportasi Angkutan Umum. Angkutan umum berjenis angkutan kota (angkot) merupakan salah satu alat transpotasi yang paling digemari oleh masyarakat sehari-hari di Kota Medan khususnya. Namun ada beberapa kendala yang sering dialami oleh masyarakat ketika hendak menggunakan angkutan kota, sehingga masyarakat menjadi berkurang dalam memilih angkot sebagai sarana transportasinya. Tidak tahu rute dan tarif angkot menjadi salah satu faktor terkuatÂ sebagai kendala keengganan masyarakat memilih angkot untuk alat transportasinya. Oleh karena itu, diperlukannya sistem sebagai penunjang yang dapat menentukan rute dan tarif perjalanan angkutan umum sehingga diharapkan dapat memudahkan masyarakat Kota Medan dalam memilih jurusan angkutan umum yang sesuai dengan tempat tujuannya dan tarif sesuai jarak trayek perjalanan yang dilakukan. Salah satu algroitma yang dapat digunakan untuk mencari rute terpendek adalah algoritma A*. Algoritma A* (A-Star) merupakan salah satu bai beberapa algoritma pencarian yang dapat menganalisa input, mengevaluasi sejumlah jalur yang mungkin dilewati olenh angkot dan menghasilkan solusi yang diinginkan. Pencarian rute dengan algoritma A* (A-Star) berdasarkan graph akan disimpan kedalam database, kemudian ditambahan fitur tarif angkutan berdasarkan jarak perjalanan.

Penerapan Natural Language Processing Pada Aplikasi Chatbot Info Layanan Kantor Menggunakan Naive Bayes Algorithm Kesuma Dwi Ningtyas; Rakhmat Kurniawan; Armansyah Armansyah
Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD Vol. 6 No. 1 (2023): J-SISKO TECH EDISI JANUARI
Publisher : STMIK Triguna Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53513/jsk.v6i1.7413

Informasi layanan kantor lura adalah bagian penting dalam kehidupan sehari-hari, dimana informasi layanan kantor lurah tersebut diperoleh salah satunya dengan konsultasi langsung dengan customer service. Berdasarkan hasil wawancara yang dilakukan terhadap beberapa masyarakat, masyarakat memperoleh informasi layanan kantor lurah dengan cara berkunjung ke kantor lurah dan bertanya langsung kepada customer service. Peyampaian informasi layanan kantor lurah tersebut dirasa kurang karena keterbatasan oleh waktu kerja pegawai. Pada penelitian ini solusi yang diusulkan untuk masalah tersebut salah satunya dengan cara membangun sebuah aplikasi chatbot info layanan kantor dengan penerapan Â Natural Language Processing dengan menggunakan NaÃ¯ve Bayes Algorithm.

Implementasi Metode Least Significant Bit Dalam Teknik Steganografi pada Berkas Audio Dengan Stego Citra Digital Rifqi Alwanu Akmal; Mhd. Furqan Furqan; Rakhmat Kurniawan R
G-Tech: Jurnal Teknologi Terapan Vol 7 No 2 (2023): G-Tech, Vol. 7 No. 2 April 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Steganografi adalah teknik menyembunyikannya pesan rahasia ke dalam sebuah media yang tidaklah dapat diketahui oleh seseorang yang lain maka pesan rahasia tidaklah bisa dideteksi. Metode steganografi yang dipergunakan dalam riset maupun penelitian ini yakni metode Least Significant Bit. Metode tersebut adalah teknik menyembunyikan pesan yang dilakukannya dengan digantikannya bit-bit di dalam segmentasi citra dengan bit-bit pesan rahasia. Steganografi dengan mempergunakan metode LSB bakal menghasilkannya file yang nyaris sama/mirip dengan cover image yang dipergunakan. Penelitian ini ditujukannya teruntuk memanfaatkan penggunaan steganografi dengan metode LSB perihal mengamankan berkas audio yang berformat .AAC ke dalam citra digital yang berformat .BMP serta .PNG. Ukuran dari citra digital dan durasi dari berkas audio berbeda-beda, melalui perbedaan tersebut dihasilkannya proses penyisipan serta pengekstraksian yang berbeda. Keseluruhan pengujian dilakukannya dengan cara melaluinya tahapan penyisipan dengan ukuran piksel citra digital yang berbeda. Maka daripada itu jika semakin besar ukuran dari citra digital yang dipakai, maka akan makin lama juga tahapan dalam waktu pengekstraksiannya dan juga sebaliknya.V

Co-Authors Abdul Halim Hasugian Agung Firmansyah Agung Firmansyah Ahmad Fauza Anshori Tbn Ahmad Fauzi Ahmad Taufik Al Afkari Siahaan Aidil Halim Aidil Halim Lubis Aidil Halim Lubis Aidil Halim Lubis Alfan Ramadhan Alwy Azyari Harahap Amelia, Dara Andre Gusli Agus Riadi Armansyah Armansyah Armansyah Armansyah Armansyah Armansyah Asnawi, Azi Ayna Salsabillah Azhari, Fajar Bahari, Mhd Raja Doly Bayhaqi, Abdullah Bisri, Cholil Br Rambe, Indri Gusmita Catur Hidayatullah Dandi, Muhammad Khairil Dasopang, Buyung Satrio Dwisyahputra, Achmad Adbillah Eva Darwisah Harahap Fahrul Afandi Fakhriyah, Mardhiyah Fakhrizal, Fiqri Fatwa, Nursalimah Isnaina Fikri Aulia Habibie, Alief Fathul Haliem, Alexander Hanafi, Muhammad Rizky Harahap, Nita Maharani Harahap, Rina Syafiddini Harahap, Shopiah Henni Melisa HP, Kiki Iranda Hsb, Khoiri Sutan Ibsan, Muhammad Hanafi Ilham Rizki Ananda Ilka Zufria Imam Zaki Husein Nst Indah Meilina Ivan Prayuda Julianti, Miranda Jusli, Dara Taqa Assajidah Kesuma Dwi Ningtyas Khairin Nadia Khairunissabina, Khairunissabina Khoiriah, Miftahul Lubis, Fahrian Zibran Lubis, Farhan Rusdy Asyhary M. Teguh wijaya Mey Hendra Putra Sirait Mhd Furqan Mhd Furqan Mhd. Furqan Furqan Mhd.Furqan Muhammad Abi Muzaki Muhammad Fadiga Muhammad Fahri, Muhammad Muhammad Ikhsan Muhammad Siddik Hasibuan Muhammad Sunni Arrafiq Nasution, Fitri Handayani Nasution, Raihan Hafiz Noor Azizah Novita Jambak, Indah Nurjanah, Trya Nurwana Nazla Saragih Padang, Bermiko Kasah Pii Syahputra Prayoga, Dio Putri Hanifah Putri, Raissa Ramanda Qasthari, Mohd. Wildan Rafif Aprizki Saragih Rafli Bima Sakti Ramadhan, Rio Fadli Ramadhan, Rizky Syahrul Ratna Dewi, Sri Reza Muhammad Rifansyah, Mhd. Roji Rifqi Alwanu Akmal Rina Filia Sari Rini Halila Nasution Rizki Ananda Putra Fajar Rizky Pratama Putra Rudi Riyandi Sandira, Sri Delwis Saragih, Khoirul Azmi Sari, Desliana Silva Ukhti Filla Silvi Joya Arditna Br Bukit Sinaga, Imam Adlin Siti Afifah Siregar Siti Ayu Hadisa Siti Nurul Aini, Siti Nurul Siti Sarah Harahap Siti Sumita Harahap Sri Marwah Badrin Sriani Sriani Sriani Sriani Stephani Silalahi Suhardi Suhardi Suhardi Suhardi Suhardi Syahira, Melani Alka Syahputra, Zidhane Syarifudin, Zaini Triase Triase Triase Triase, Triase Wahyu Kurniawan Wini Istya Sari Lubis Yahya, Arfigo YENI SAFITRI Yudha, Muhammad Yudha Pratama Zahron, Almeranda Haryaveda Nurul

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