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All Journal Teknika CESS (Journal of Computer Engineering, System and Science) Indonesian Journal on Software Engineering (IJSE) Jurnal Teknik Komputer AMIK BSI Jurnal Khatulistiwa Informatika Paradigma Jurnal Pilar Nusa Mandiri JITK (Jurnal Ilmu Pengetahuan dan Komputer) Techno Nusa Mandiri : Journal of Computing and Information Technology Jurnal Mantik Penusa KEK (Kajian Ekonomi dan Keuangan) Journal of Information System, Applied, Management, Accounting and Research JSAI (Journal Scientific and Applied Informatics) Jurnal Mantik INTI Nusa Mandiri Jurnal Hutan Pulau-Pulau Kecil : Jurnal Ilmu-Ilmu Kehutanan dan Pertanian Jurnal Infortech Jurnal Manajemen Informatika Jayakarta Reputasi: Jurnal Rekayasa Perangkat Lunak Paradigma Prawara Jurnal Pengabdian Masyarakat Jurnal Infortech
Bakhtiar Rifai
Universitas Bina Sarana Informatika
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Public Health Social Sciences

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MANAGEMENT SYSTEM FAILOVER DENGAN ROUTING DINAMIS OPEN SHORTEST PATH FIRST DAN BORDER GATEWAY PROTOCOL Bakhtiar Rifai; Eko Supriyanto
JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) Vol 3 No 1 (2017): JITK Issue August 2017
Publisher : LPPM Nusa Mandiri

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Abstract

No one internet service providers can guarantee 100 % or never experienced disturbance distribution at a customer internet connection. Hence to deliver services internet connection a stable and avoid any way down the customer, generally internet providers having two or more link at customer them to one of them was used as secondary links or backup during the primary had a link. The process of primary switching link to backup it is called failover or redundant link. According to many systems, failovers applied to network an internet among other providers by means of technology routing dynamic OSPF ( open shortest path first ) and BGP (border gateway protocol). Routing was a process to send data from one network to another network. With dynamic routing then routing mechanism is done in dynamic by determining the shortest distance quickly and accurately between equipment the sender and recipient. Open shortest path first (OSPF) is one of the protocol dynamic routings who uses algorithms link-state to build and calculate the shortest line to all purposes are known. While BGP is a protocol routing the core of the internet is used to perform an exchange of information between network routing. BGP working a way mapped a table IP network pointing to the network that could be made between autonomous system (AS).
MODEL SUPPORT VECTOR MACHINE BERBASIS PARTICLE SWARM OPTIMIZATION UNTUK PREDIKSI PENYAKIT LIVER Numan Musyaffa; Bakhtiar Rifai
JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) Vol 3 No 2 (2018): JITK Issue February 2018
Publisher : LPPM Nusa Mandiri

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Abstract

Hati adalah organ yang paling besar dan penting bagi tubuh kita. Kita tidak bisa hidup tanpa hati. Penyakit hati merupakan peradangan yang disebabkan oleh infeksi virus, bakteri atau bahan-bahan beracun sehingga hati tidak dapat melakukan fungsinya dengan baik serta tidak mudah ditemukan dalam tahap awal dalam mendiagnosis penyakit hati. Penanganan pasien dengan penyakit hati pada tahap awal akan memperpanjang hidup pasien. Banyak penelitian menggunakan model Support Vector Machine untuk memprediksi penyakit hati tetapi nilai akurasi yang dihasilkan kurang akurat. Dalam penelitian yang dilakukan ini model algoritma support vector machine dan model algoritma support vector machineberbasiskan particle swarm optimization untuk mendapatkan aturan untuk memprediksi penyakit liver dan memberikan nilai yang lebih akurat dari akurasi. Setelah pengujian dengan dua model support vector machine dan support vector machine berbasiskan particle swarm optimization, mendapatkan hasil dari model algoritma support vector machine nilai akurasinya 71,36% dan nilai akurasi dari AUC sebesar 0.500, sedangkan pengujian menggunakan algoritma suppport vector machine berbasiskan particle swarm optimization mendapatkan hasil nilai akurasinya sebesar 77,36% dan nilai AUC 0.661 untuk tingkat diagnosa klasifikasi yang baik. Kedua metode ini memiliki berbagai tingkat akurasi sebanyak 6,00% dan selisih nilai AUC 0.161
MANAGEMENT BANDWIDTH PADA DYNAMIC QUEUE MENGGUNAKAN METODE PER CONNECTION QUEUING Bakhtiar Rifai
JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) Vol 2 No 2 (2017): JITK Issue February 2017
Publisher : LPPM Nusa Mandiri

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Abstract

The acceleration of the use of the internet and the need for the allocation of bandwidth needed, a method that is used for the management of internet usage and bandwidth needs. A large number of hotspots – hotspot that allows many people to connect to the device so that it requires adequate bandwidth in use. Method per connection is a queueing method that divides a large number of users in a network with a bandwidth that is provided to share the same evenly to each connected user. Method per connection queue is particularly suitable in the application where the user in a network number is dynamical.
ALGORITMA NEURAL NETWORK UNTUK PREDIKSI PENYAKIT JANTUNG Bakhtiar Rifai
Jurnal Techno Nusa Mandiri Vol 10 No 1 (2013): Techno Nusa Mandiri : Journal of Computing and Information Technology Periode Ma
Publisher : Lembaga Penelitian dan Pengabdian Pada Masyarakat

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Abstract

Heart disease is the occurrence of partial or total blockage of a blood vessel over, as a result of the self blockage deep chemical energy supply to the heart muscle is reduced, resulting in an impaired balance between supply and in predicting heart disease have been carried out by several previous investigators. In this study will be done for heart disease prediction algorithm using a neural network and improved the performance of the neural network algorithm is implemented on the data of heart disease patients. From the test results by measuring method using a neural network based, it is known that neural network algorithms yield accuracy values 91.45%, precision 92.79 %, recall 94.27% and AUC values obtained 0.937. by looking at the accuracy, the algorithm based neural network into the category of groups is very good, because of AUC values between 0.90 – 1.00.
RECOMMENDED SISTIM TES KEPRIBADIAN DALAM PEMBENTUKAN KARAKTER DIRI PELAJAR SMA/SMK DENGAN METODE MULTI CRITERIA DECISION MAKING (MCDM) Aji Sudibyo; Bakhtiar Rifai
Jurnal Mantik Penusa Vol. 3 No. 1.1 (19): Manajemen dan Ilmu Komputer
Publisher : Lembaga Penelitian dan Pengabdian (LPPM) STMIK Pelita Nusantara Medan

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Abstract

The succes and failure of a person in life both at work, and society much influenced by the attitude and personality traits. Formation and character development must be established as early as possible. Formation and character development is very necessary for high school/vocation high school students who still need brawls between students, skipping school, drugs, pornography, and others. From these questions, we need an expert system about personality test and character development to help high school/vocational students to have knowledge about who they are, so that they have an assessment of the future to go forward to help after graduating from high school/vocational school.
IMPLEMENTASI TELEGRAM NOTIFICATION ALERT PADA NETWORK MONITORING SYSTEM DENGAN NAGIOS Bakhtiar Rifai; Nanang Nuryadi; Amarulloh Ripai
Jurnal Mantik Penusa Vol. 3 No. 3 (19): COmputer Science
Publisher : Lembaga Penelitian dan Pengabdian (LPPM) STMIK Pelita Nusantara Medan

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Abstract

A healthy data center will greatly help the performance of employees and network administrators. The Inspectorate General of the Ministry of Education and Culture does not have a network monitoring system in the data center. The absence of a system for monitoring each device in the data center, the data center condition will become unhealthy. If the condition of the server, router, and switch devices are not functioning properly the network administrator cannot know in real-time. It requires network monitoring system with plugin support that can help network administrators do their work. Nagios is a network monitoring system that has a variety of features and can be configured with social media such as telegram because it supports API bots from python, namely twx. When the hardware or software is experiencing problems or down, eating Nagios will send notifications via the bot account that has been created and synchronized with Bash Nagios.
SISTEM PENDUKUNG KEPUTUSAN PEMILIHAN INVESTASI IDEAL BAGI GENERASI MILLENIAL Ruhul Amin; Bakhtiar Rifai
Jurnal Mantik Penusa Vol. 3 No. 3 (19): COmputer Science
Publisher : Lembaga Penelitian dan Pengabdian (LPPM) STMIK Pelita Nusantara Medan

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Abstract

The development of information system applications in Indonesia is currently experiencing rapid progress. The Indonesian community downloads and uses information system for investment, work, communication, shopping and many other activitie the other. It is estimated by experts for the future use of system  increased. The existence of investment in Indonesia is now growing, this is caused by the desire of the community to benefit in the future will com]. The lack of knowledge about investments owned by the community, the many criteria and alternatives in choosing investment will be a problem alone in an effort to choose the most ideal investment [2]. Decision support system built to help humans to help solve problems no structured and semi structured. Decision support information system development investment selection has the aim of helping the community or investors to choose the most appropriate and correct investment based on various criteria and alternatives predetermined to select various investments Stages of application development (1) needs analysis, (2) Design, (3) system implementation, (4) Support operations and (5) Evaluate Performance. Criteria and alternatives used in investment selection derived from prior research conducted by the author. Criteria consist of market risk liquidity, inflation, time period, investment value, return, income, while the alternative of investment are deposits, insurance, gold, shares, DPLK and mutual fund.
Implementasi Arduino Uno dan ATmega328P Untuk Perancangan Alat Keamanan Sepeda Motor Bakhtiar Rifai
JSAI (Journal Scientific and Applied Informatics) Vol. 2 No. 2 (2019): Scientific and Applied of Informatics
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v2i2.235

Abstract

Saat ini di Indonesia jumlah sepeda motor terus mengalami peningkatan yang signifikan setiap tahunnya. Disisi lain tingkat kejahatan pencurian kendaraan bermotor (curanmor) juga mengalami peningkatan. Penelitian ini bertujuan untuk merancang sebuah alat keamanan sepeda motor yang dapat dikendalikan melalui smartphone android untuk mengurangi tingkat pencurian kendaraan bermotor (curanmor). Alat ini dipasang pada sepeda motor dan menggunakan koneksi modul bluetooth HC-05 untuk terhubung dengan smartphone android dengan jarak maksimal + 15 meter. Sistem keamanan yang digunakan adalah dengan memutus kontak sepeda motor , selain berfungsi sebagai alat keamanan juga berfungsi untuk mencari letak keberadaan sepeda motor saat berada di area parkir dengan memanfaatkan klakson dan lampu sein sepeda motor. Dalam pengaplikasiannya alat keamanan ini dapat dipasang pada semua merk dan tipe sepeda motor. Dengan adanya tambahan alat keamanan pada sepeda motor diharapkan dapat mengurangi tingkat pencurian kendaraan bermotor yang sedang merajalela
IMPLEMENTASI APLIKASI SISTEM INFORMASI INVENTORY DATA BARANG EKSPOR PADA PT. HARVEST GLOBAL NIAGA: IMPLEMENTASI APLIKASI SISTEM INFORMASI INVENTORY DATA BARANG EKSPOR PADA PT. HARVEST GLOBAL NIAGA Nanang Nuryadi; Bakhtiar Rifai; Reza Bagaskoro
Jurnal Mantik Vol. 3 No. 1 (2019): May: Manajemen dan Informatika
Publisher : Institute of Computer Science (IOCS)

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Abstract

In the current information system condition PT. Harvest Global Niaga is less than a maximum in searching and inputting data on exported goods. Difficulty finding data items because the existing data processing system is still in the form of data files and some data stored in Excel format. Therefore, technology assistance is needed in supporting all these activities. In the process, of course, it must run effectively and efficiently as possible so that employees can easily find the information available, the method used should be more systematic, especially in processing data on exported goods, in the hope of facilitating the process than using a computerized system. So, the author designed the application to facilitate employees at PT. Harvest Global Niaga. The inventory information system is a data processing application that is very efficient and effective to help work.
Design Of Online Shopping Application Based On Mobile Devices And Android Studio In PT. Midi Utama Indonesia: Design Of Online Shopping Application Based On Mobile Devices And Android Studio In PT. Midi Utama Indonesia Bakhtiar Rifai; Yesi Ratna Sari; Nanang Nuryadi
Jurnal Mantik Vol. 4 No. 1 (2020): May: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Self-service is an alternative place to shop. a special place that can meet the daily shopping needs of consumers. Product Ordering for customers remains a constraint if the distance of the place of residence with a minimarket are far apart, or lazy customers out due to rain. Of the few existing cases, Order and delivery system is still done over the phone. The way they have constraints, such customers do not know the Menu and price list that is in the minimart. This research aims to build the application so that the delivery Order and delivery information becomes quickly, accurately, and can Order the Products online via smartphones. This application was built using the software Android Studio as the manufacturer of the application and its data base for the management of SQLite. This application can help consumers to get information about the Product- markets are offered as well as facilitate consumers in the process of Ordering a Product and can help increase sales for companies.
Co-Authors Afitta Afitta Agus Saifullah Amarulloh Ripai Andi Sanjaya Arga Putra Rafi Ari Al Amin Asep Nurwanda Azlina, Yunidyawati Azzahra, Rizky Nur Andhini Bimo Danang Febryanto Cahya, Fani Nurona Dedi Sutomo Dian Ambar Wasesha Eka Saputra Eko Supriyanto Emirotun Nafisah Erwin Yuniarto Esron Nainggolan Fani Nurona Cahya Fariz Al Hafiz Febriyanti, Eka Nur Feri Yulianto Hananda Nabil Farras Herman Kuswanto Imam Dody Susanto Insan Kurnia Kardina, Jessi Raisa Malik Abdul Aziz Mochammad Dhanu Ramadhan Nanang Nuryadi Nazmi Uliah Normah Normah Normah normah normah Normah Normah Normah Normah Normah Normah Normah Normah Normah Normah Normah Normah Normah Normah, Normah Nova Reflianah Numan Musyaffa Nurmawati Nurmawati Pita Sari Pratiwi Indah Widiastuti Rani Irma Handayani Reza Bagaskoro Ricky Sastra Rifki Maulana Ruhul Amin Satriawan, Muhammad Husein Satrio Vambudi Solehudin Solehudin Sopiyan Dalis Sudibyo, Aji Sumarna Surya Gunadi Susafa'ati Susafaáti susafaati Susafa’ati Taufik Asra Taufik Rahman Taufik Rahman Tia Maesyaroh Udin, Komar Vito Triantori Vito Triantori Wida Prima Mustika Widiastuti, Pratiwi Indah Yesi Ratna Sari