Articles
ALGORITMA K-NN DENGAN EUCLIDEAN DISTANCE UNTUK PREDIKSI HASIL PENGGERGAJIAN KAYU SENGON
Yudhana, Anton;
Sunardi, Sunardi;
Hartanta, Agus Jaka Sri
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 22, No 4 Oktober (2020): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro
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DOI: 10.14710/transmisi.22.4.123-129
Industri dengan bahan dasar kayu Sengon (Albizia falcataria) banyak diselenggarakan oleh masyarakat Indonesia untuk keperluan furnitur, instrumen desain interior, bahan kayu plywood, pelapis dinding, plafon, dudukan cor, dan bahan baku kertas. Penggergajian merupakan proses pemotongan batang kayu untuk mendapatkan potongan-potongan yang lebih kecil sesuai dengan variasi dimensi yang diinginkan. Perhitungan prediksi secara manual untuk mendapatkan jumlah dan dimensi potongan membutuhkan waktu lama karena harus dilakukan secara berulang untuk setiap batang, terkadang hasilnya tidak optimal sehingga mengakibatkan kerugian. Penelitian ini menerapkan Algoritma k-Nearest Neighbor (k-NN) dengan Euclidean Distance untuk prediksi hasil penggergajian kayu Sengon. Penelitian diawali dengan perhitungan dengan Ms Excel lalu membangun aplikasi Algoritma k-NN menggunakan bahasa pemrograman PHP dengan database MySQL dan framework Laravel. Data training sejumlah 135 dan data testing sejumlah 10. Nilai k yang digunakan adalah 1, 2, 3, 4, dan 5. Penggunaan aplikasi dilakukan dengan memberikan input berupa panjang dan diameter kayu untuk kemudian dilakukan proses perhitungan k-NN hingga mendapatkan hasil prediksi. Penelitian dengan aplikasi didapatkan hasil prediksi 100% sama dengan hasil perhitungan dengan Ms Excel. Hasil prediksi dengan aplikasi mendapatkan akurasi 70% atau error rate sebesar 30% jika dibandingkan dengan hasil riil di lapangan.Â
PERBANDINGAN ALGORITMA DIJKSTRA DAN ALGORITMA ANT COLONY DALAM PENENTUAN JALUR TRANSPORTASI UMUM
Kadim, Ahmad Azhar;
Sunardi, Sunardi;
Yudhana, Anton
Jurnal Sistem Komputer Vol 10, No 1 (2020)
Publisher : Jurnal Sistem Komputer
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DOI: 10.14710/jsk.v10i1.169
The purpose of this research is to compare the working principle and characteristics between Dijkstra algorithm and Ant Colony Optimization in determining the shortest path Dijkstra algorithm requires weight to determine the shortest path, without the weight of Dijkstra, algorithm cannot run , while Ant Colony Optimization algorithm does not require weight at run because on the working principle of this algorithm will produce the output or weight when the ant finishes the journey . Therefore, this algorithm consume more RAM and takes a long time of execution when run than Dijkstra algorithm. The Dijkstra algorithm got the fastest result 0.0045 seconds while on algorithm Ant Colony Optimization 0.0126 sec, for RAM usage result obtained by Dijsktra algorithm stable 387.14 kb different from ACO obtained results vary with the smallest result is 712.42 kb The equation of both of these algorithms are the output path and the resulting distance are the same so that it can be implemented for the determination of public transportation routes. The application of this research will be applied to Transjogja which is one of the public transportations in Yogyakarta.
Assess of Forensic Tools on Android Based Facebook Lite with the NIST Method
Bintang, Rauhulloh Noor;
Umar, Rusydi;
Yudhana, Anton
Scientific Journal of Informatics Vol 8, No 1 (2021): May 2021
Publisher : Universitas Negeri Semarang
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DOI: 10.15294/sji.v8i1.26744
Purpose: The increase in social media use of Facebook lite by using Android-based smartphones is quite high. Activities when communicating through the social media network Facebook Lite. Facebook lite can send a text message, image, or video. Not a few Facebook users lite social media abusing this app to commit fraud crimes, pornographic acts, or defamation actions from social media users Facebook lite. In such cases, it can be a digital forensic benchmark to get results from digital evidence from the Facebook lite application. Methods: In this investigation, National Institute of Standards and Technology (NIST) research methods with various stages, namely Collection, Examination, Analysis, and Reporting. Result: Comparison and results of data conducted with forensic tools Magnet Axiom Forensic and MOBILedit Forensic Express Pro in the form of parameter data specified. Axiom Forensic Magnet data is 57.14%, while MOBILedit Forensic Express Pro data is 85.71%. Novelty: This data is the data of the performance results of both forensic tool applications in obtaining digital evidence on Facebook lite application.
Application of the Certainty Factor and Forward Chaining Methods to a Goat Disease Expert System
Susanto, Dwi;
Fadlil, Abdul;
Yudhana, Anton
Khazanah Informatika Vol. 6 No. 2 October 2020
Publisher : Universitas Muhammadiyah Surakarta
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DOI: 10.23917/khif.v6i2.10867
Goats are livestock that is financially very attractive to rural Indonesian. Efforts to solve problems related to goat farming are necessary. One of them is maintaining the health of the cattle by knowing how to cope with disease-stricken goats. Goat productivity will decrease if the treatment of the disease is sub-optimal. Goat diseases are very diverse, ranging from mild to severe. Breeders themselves can traditionally treat several diseases without the involvement of veterinarians or experts. However, a larger number of diseases need treatment with the help of experts. Expert systems are a potential solution to help farmers. It will automatically suggest decisions or conclusions in solving a problem. This study observes an expert system built using the Certainty Factor combined with Forward-Chaining. By combining the two methods, the information generated may discover the type of disease and suggest its management effectively with a high degree of certainty. The system can expectedly become a reference for goat breeders to consult about their goat livestock diseases. The knowledge base of the system uses 21 types of symptoms, eight types of diseases, and their solutions. The user does not need to input the belief value and the disbelief value that is usually input in the expert system. By involving the admin as a knowledge base processor, the correctness of the conveyed information maintains.
SISTEM MANAJEMEN DATA MONOGRAFI DI KELURAHAN SIDODADI
Yudhana, Anton;
Umar, Rusydi;
Alameka, Faza
ILKOM Jurnal Ilmiah Vol 8, No 3 (2016)
Publisher : Teknik Informatika Fakultas Ilmu Komputer Univeristas Muslim Indonesia
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DOI: 10.33096/ilkom.v8i3.67.167-173
Kelurahan merupakan salah satu lembaga yang mempunyai peranan penting dalam pemerintahan. Salah satu instansi pemerintahan yang dituntut dalam memperbaharui data monografi wilayahnya yaitu kelurahan Sidodadi yang berada pada kecamatan Samarinda ULU. Manfaat data monografi adalah mempermudah pihak yang ingin memerlukan informasi dan data dari suatu wilayah khususnya data monografi kelurahan Sidodadi.Dalam penelitian ini dijelaskan tentang perancangan dan pengembangan data monografi. Dalam pengembangan sistem ini penulis menggunakan pendekatan Model Incremental yang setiap tahapan-tahapan tersebut dilakukan secara berurutan. Setiap bagian yang sudah selesai dilakukan testing kemudian dikirim kepada pemakai untuk langsung dapat digunakan. Pembuatan sistem ini menggunakan Sistem Informasi terintegrasi server-side berbasis website yang memungkinkan pengembangan sistem yang dinamis dengan reusability. Data disimpan dalam bentuk database, sehingga mempunyai efisiensi dan integritas yang tinggi. Pengembangan dan perubahan sistem dapat dilakukan dengan mudah dan terpusat pada sisi server. Sedangkan program aplikasi tidak perlu diinstall dan didistribusikan kepada setiap client atau web browser.
ANALISIS EMPIRIS PERBANDINGAN KINERJA METODE HASHING PROGRESSIVE OVERFLOW DAN LINEAR QUOTIENT DALAM STUDI PEMBUATAN APLIKASI DEKSTOP ADMINISTRASI KEPEGAWAIAN
Prianto, Eko;
Yudhana, Anton;
Fadlil, Abdul
ILKOM Jurnal Ilmiah Vol 8, No 3 (2016)
Publisher : Teknik Informatika Fakultas Ilmu Komputer Univeristas Muslim Indonesia
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DOI: 10.33096/ilkom.v8i3.66.174-181
Administrasi merupakan kegiatan sehari-hari yaitu berupa kegiatan mencatat, mengumpulkan dan menyimpan suatu kegiatan atau hasil kegiatan sehingga membutuhkan memori guna menyimpan itu semua. Untuk memudahkan proses pencarian data yang telah disimpan dengan cepat, maka diperlukan suatu metode, yaitu menggunakan metode hashing. Penerapan manajemen memory bertujuan, agar mencegah adanya perulangan data yang sama, manajemen basis data yang baik, manajemen memori dan memberikan kemudahan untuk mengakses data dengan cepat walaupun data yang ada sangat banyak, dengan memasukkan kata kunci yang telah ditentukan dapat mencari data dan menampilkan dengan akurasi waktu yang dibutuhkan sebentar. Dengan metode progressive overflow dan linear quotient akan dianalisis nilai rata-rata dari setiap metode, nilai yang paling kecil dari metode tersebut adalah nilai yang terbaik akan digunakan sebagai pedoman seberapa besar nilai proses hashing dalam sebuat database suatu instansi dan sebagai studi kasus penentuan penyediaan memori yang dibutuhkan.
Nitrogen Test Tool in Rice Leaves Based on Android Application
Darso, Muhammad;
Yudhana, Anton
Buletin Ilmiah Sarjana Teknik Elektro Vol 3, No 1 (2021): April
Publisher : Universitas Ahmad Dahlan
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DOI: 10.12928/biste.v3i1.3071
This study aims to make an application for measuring nitrogen requirements in rice leaves based on an android application. The method used is the On Touch Motion Event. The onTouch method will be used when a touch will be sent to be displayed, then MotionEvent contains information about the touch made. System testing is carried out to display images using the Open Camera button using a smartphone camera, after that look for the RGB value then convert it to the BWD scale. This research has succeeded in building an application that can determine nitrogen levels in rice leaves through leaf color and provide recommendations for the amount of fertilization according to the desired results. The results of tests that have been carried out on 6 samples of rice leaves with 60 samples of RGB value data produce an accuracy rate of using the application of 78.33% and the remaining 21.66% is an error value. And how to calculate the land area, the results obtained from the need for urea per plant in 1 ha are 120 kg, where the BWD table shows the value of leaf color on a scale of 2-3 and requires a urea measurement of 100 which is estimated to get a yield rate of 6 t / ha.
RETRACTED: Boyer-Moore String Matching Algorithm and SHA512 Implementation for Jpeg/exif File Fingerprint Compilation in DSA
Fitriyanto, Rachmad;
Yudhana, Anton;
Sunardi, Sunardi
Scientific Journal of Informatics Vol 7, No 1 (2020): May 2020
Publisher : Universitas Negeri Semarang
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DOI: 10.15294/sji.v7i1.19059
This paper is retracted by editor due to publication ethics missconducted by author (simultaneously publication in other journal).Similar article has appeared in http://jurnalnasional.ump.ac.id/index.php/JUITA/article/view/4413
Forensic Tool Comparison on Instagram Digital Evidence Based on Android with The NIST Method
Riadi, Imam;
Yudhana, Anton;
Putra, Muhamad Caesar Febriansyah
Scientific Journal of Informatics Vol 5, No 2 (2018): November 2018
Publisher : Universitas Negeri Semarang
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DOI: 10.15294/sji.v5i2.16545
The growth of Android-based smartphone users to access media in communicating using Instagram social media is very fast. Activities are carried out when using Instagram social media in communicating to share information such as sending chat texts and pictures. A large number of Instagram users make this application vulnerable to abuse of Instagram such as pornography crimes from Instagram users. This case can be forensic to get digital evidence in the form of chat text and pictures from Instagram messenger is a feature of Instagram. The investigation in this study uses the National Institute of Standards and Technology (NIST) method which provides several stages of collecting, examining, analyzing, reporting while forensic tools use forensic oxygen and axiom magnets. The results of the recovery and comparison of data result using Oxygen forensics and Axiom Magnets obtained digital evidence in the form of data in the form of images and chat. The data obtained by Magnet Axiom is 100% while forensic oxygen is 84%. These data are the results of the performance of both forensic applications in obtaining digital evidence that has been deleted from the Instagram messenger.
Assess of Forensic Tools on Android Based Facebook Lite with the NIST Method
Bintang, Rauhulloh Noor;
Umar, Rusydi;
Yudhana, Anton
Scientific Journal of Informatics Vol 8, No 1 (2021): May 2021
Publisher : Universitas Negeri Semarang
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DOI: 10.15294/sji.v8i1.26744
Purpose: The increase in social media use of Facebook lite by using Android-based smartphones is quite high. Activities when communicating through the social media network Facebook Lite. Facebook lite can send a text message, image, or video. Not a few Facebook users lite social media abusing this app to commit fraud crimes, pornographic acts, or defamation actions from social media users Facebook lite. In such cases, it can be a digital forensic benchmark to get results from digital evidence from the Facebook lite application. Methods: In this investigation, National Institute of Standards and Technology (NIST) research methods with various stages, namely Collection, Examination, Analysis, and Reporting. Result: Comparison and results of data conducted with forensic tools Magnet Axiom Forensic and MOBILedit Forensic Express Pro in the form of parameter data specified. Axiom Forensic Magnet data is 57.14%, while MOBILedit Forensic Express Pro data is 85.71%. Novelty: This data is the data of the performance results of both forensic tool applications in obtaining digital evidence on Facebook lite application.