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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Jurnal Ilmu Komputer Jurnal Media Infotama PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic EXPERT: Jurnal Manajemen Sistem Informasi dan Teknologi CESS (Journal of Computer Engineering, System and Science) InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Jurnal Ilmiah Matrik Insect (Informatics and Security) : Jurnal Teknik Informatika Indonesian Journal of Information System IJIS - Indonesian Journal On Information System JURNAL ILMIAH INFORMATIKA Jurnal Informatika Universitas Pamulang Applied Information System and Management Technomedia Journal JurTI (JURNAL TEKNOLOGI INFORMASI) Jiko (Jurnal Informatika dan komputer) Query : Jurnal Sistem Informasi Zero : Jurnal Sains, Matematika, dan Terapan ALGORITMA : JURNAL ILMU KOMPUTER DAN INFORMATIKA JISTech (Journal of Islamic Science and Technology) Jurnal Penelitian Medan Agama JURNAL TEKNOLOGI DAN OPEN SOURCE Jurnal Teknologi Sistem Informasi dan Aplikasi JURNAL PENDIDIKAN TAMBUSAI IJISTECH (International Journal Of Information System & Technology) JOURNAL OF SCIENCE AND SOCIAL RESEARCH KOMPUTA : Jurnal Ilmiah Komputer dan Informatika Simtek : Jurnal Sistem Informasi dan Teknik Komputer JOISIE (Journal Of Information Systems And Informatics Engineering) EDUMATIC: Jurnal Pendidikan Informatika JUSIM (Jurnal Sistem Informasi Musirawas) METIK JURNAL Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Kumawula: Jurnal Pengabdian Kepada Masyarakat JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI IJAIT (International Journal of Applied Information Technology) Jurnal Ilmiah Sains dan Teknologi (SAINTEK) Jurnal Mnemonic JTIK (Jurnal Teknik Informatika Kaputama) Jurnal Sistem Komputer & Kecerdasan Buatan JISA (Jurnal Informatika dan Sains) JOURNAL OF INFORMATION SYSTEM MANAGEMENT (JOISM) Jatilima : Jurnal Multimedia Dan Teknologi Informasi Jurnal E-Komtek Jurnal Teknik Informatika C.I.T. Medicom JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) TIN: TERAPAN INFORMATIKA NUSANTARA Jurnal Sistem Informasi dan Sains Teknologi Journal of Computer Networks, Architecture and High Performance Computing Idealis : Indonesia Journal Information System Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) IJISTECH RESOLUSI : REKAYASA TEKNIK INFORMATIKA DAN INFORMASI Jurnal Responsif : Riset Sains dan Informatika Jurnal Abdi Mas Adzkia Jurnal Teknologi Sistem Informasi dan Sistem Komputer TGD Bulletin of Computer Science Research KLIK: Kajian Ilmiah Informatika dan Komputer Journal of Information Technology (JIfoTech) Journal of Students‘ Research in Computer Science (JSRCS) Jurnal Sains Teknologi dan Sistem Informasi Journal of Dinda : Data Science, Information Technology, and Data Analytics JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen Jurnal IPTEK Bagi Masyarakat Bulletin of Information Technology (BIT) EXPLORER Jurnal Sistem Informasi Bisnis (JUNSIBI) Journal of Computer Science and Informatics Engineering Green Intelligent Systems and Applications Journal Of Human And Education (JAHE) sudo Jurnal Teknik Informatika Hello World Journal of Information Systems and Technology Research Jurnal Sistem Informasi Triguna Dharma (JURSI TGD) Balance : Jurnal Akuntansi dan Manajemen Jurnal Algoritma Jurnal Sains dan Teknologi Sistem Pendukung Keputusan dengan Aplikasi Journal of Computers and Digital Business Blend Sains Jurnal Teknik International Conference on Sciences Development and Technology Inspiration: Jurnal Teknologi Informasi dan Komunikasi Journal Of Informatics And Busisnes Jurnal INFOTEL Jurnal Sistem Informasi dan Manajemen Jurnal Ilmu Komputer dan Sistem Informasi Bigint Computing Journal Jurnal Accounting Information System (AIMS) Jurnal Garuda Pengabdian Kepada Masyarakat Jurnal Ilmiah Sistem Informasi INOVTEK Polbeng - Seri Informatika JuTISI (Jurnal Teknik Informatika dan Sistem Informasi)
Muhammad Dedi Irawan
Universitas Islam Negeri Sumatera Utara
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Implementasi Metode Multilevel Feedback Queue Untuk Sistem Antrian Pembelian Produk Olahan Susu Sapi Pauji Wibowo; Muhammad Dedi Irawan
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 11, No 2 (2026): Edisi Agustus
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v11i2.983

Abstract

This study designs and implements a web-based sales information system for PT Putra Indo Mandiri Sejahtera by applying the Multilevel Feedback Queue (MLFQ) algorithm with dynamic time quantum to optimize transaction scheduling based on product urgency levels. The problem addressed is the absence of a transaction processing mechanism that considers product characteristics, causing fresh milk transactions with short shelf lives to be treated equally with processed products such as cheese. A quantitative method was employed with a population of 1,200 transactions and a sample of 300 transactions selected through stratified random sampling. The MLFQ system uses three queue levels mapped according to product shelf life: Q1 for fresh milk and yoghurt, Q2 for gelato, and Q3 for cheese. The dynamic time quantum was calculated from the absolute difference between the mean and median of transaction burst times, yielding tq1 = 141 seconds, tq2 = 282 seconds, and tq3 = 564 seconds. Simulation results show that high-urgency product transactions were processed earlier, while transactions with larger burst times were automatically demoted to the appropriate queue level. The implementation of MLFQ demonstrates improved transaction scheduling efficiency and proportional service quality.
Decision Support System for Medical Equipment Supplier Selection Recommendations Using MABAC and SAW Methods Annisa Zafhitri Nasution; Muhammad Dedi Irawan
Journal of Computer Science and Informatics Engineering Vol 5 No 3 (2026): July
Publisher : Ali Institute of Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/cosie.v5i3.1873

Abstract

This study aims to develop a decision support system for selecting medical device suppliers at PT. Azkha Medical Indonesia using a combination of the Simple Additive Weighting (SAW) and Multi-Attributive Border Approximation Area Comparison (MABAC) methods. The supplier selection process is evaluated using five criteria, namely price, product quality, delivery punctuality, legality and certification, and warranty. Data were collected through observation, interviews, and company documentation. The study used 60 suppliers selected through purposive sampling. SAW was applied to normalize the supplier data, calculate weighted preference values, and select 20 suppliers with the highest preference values for further evaluation. MABAC was then applied to the 20 selected suppliers by calculating their relative positions with respect to the border approximation area. The final ranking shows that PT. Nusa Medika Utama was ranked first with a MABAC value of 0.235408, followed by PT. Global Medika Nusantara and PT. Nusa Sehat Husada, both with a MABAC value of 0.185408. The results provide a ranked list of supplier alternatives that can be used as supporting information for supplier selection at PT. Azkha Medical Indonesia.
SISTEM PENDUKUNG KEPUTUSAN PEMILIHAN TEMPAT VAKSINASI PASCA PANDEMI COVID-19 MENGGUNAKAN METODE AHP DAN SMART Afridayani Afridayani; Samsudin Samsudin; Muhammad Dedi Irawan
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 6 No. 2 (2023): June 2023
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v6i2.1302

Abstract

Abstract: The Covid-19 pandemic hit the whole world, including Indonesia. To break the chain of transmission of this infectious disease, the government encourages people to get vaccinated. Even though the Covid-19 pandemic in Indonesia has now subsided, the government is still enforcing rules for everyone using public transportation services such as airplanes and trains that must receive a booster vaccine for those aged 18 years and over. Therefore, everyone must be vaccinated so that their immune system will increase and they can also use public transportation services. The Asahan District Health Office has the responsibility to determine where to vaccinate based on predetermined criteria. This is quite time-consuming and inefficient because the process of selecting a vaccination site is done manually. Therefore, a decision support system is needed that is able to assist the Asahan District Health Office as the government that has the authority to objectively determine where to vaccinate. The purpose of this research is to make it easier for the public to find information and choose an effective vaccination site. This decision support system uses the Analytic Hierarchy Process (AHP) and Simple Multi Attribute Rating Technique (SMART) methods. The results of 21 manual calculation health service facilities are in accordance with system calculations, so that the results of the accuracy test for choosing the vaccination site get a percentage of 100%. Keywords: decision support system; vaccination site; AHP; SMART. Abstrak: Pandemi Covid-19 melanda seluruh dunia, termasuk Indonesia. Untuk memutus rantai penyebaran penyakit menular ini, pemerintah menganjurkan masyarakat untuk melakukan vaksinasi. Meskipun pandemi Covid-19 di Indonesia saat ini sudah mereda, pemerintah masih memberlakukan aturan untuk setiap orang yang menggunakan layanan transportasi umum seperti pesawat terbang dan kereta api wajib sudah menerima vaksin booster bagi usia 18 tahun keatas. Oleh karena itu setiap orang harus melakukan vaksinasi agar daya tahan tubuhnya meningkat dan juga dapat menggunakan layanan transportasi umum. Dinas Kesehatan Kabupaten Asahan memiliki tanggung jawab untuk menentukan tempat vaksinasi berdasarkan dengan kriteria yang telah ditentukan. Hal ini cukup menyita waktu yang sangat lama dan tidak efisien dikarenakan proses pemilihan tempat vaksinasi yang dilakukan dengan cara manual. Maka dari itu, dibutuhkan suatu sistem pendukung keputusan yang mampu membantu pihak Dinas Kesehatan Kabupaten Asahan selaku pemerintah yang mempunyai otoritas dalam menentukan tempat vaksinasi secara objektif. Tujuan dari penelitian ini agar memudahkan masyarakat dalam mencari informasi dan  memilih tempat vaksinasi yang efektif. Sistem pendukung keputusan ini menggunakan metode Analytic Hierarchy Process (AHP) dan Simple Multi Attribute Rating Technique (SMART). Hasil dari 21 fasilitas pelayanan kesehatan perhitungan manual sesuai dengan perhitungan sistem, sehingga hasil uji akurasi pemilihan tempat vaksinasi mendapatkan persentase sebesar 100%. Kata kunci: sistem pendukung keputusan; tempat vaksinasi; AHP; SMART.
KOMBINASI METODE BACKWARD CHAINING DAN CERTAINTY FACTOR MENDIAGNOSA PENYAKIT GANGGUAN ANSIETAS Putri Sari Febrianty Harahap; M. Fakhriza; Muhammad Dedi Irawan
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 6 No. 3 (2023): October 2023
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v6i3.1469

Abstract

Gangguan kecemasan adalah salah satu gangguan yang paling umum dalam psikologi. Kecemasan adalah keadaan ketakutan dan kecemasan. Ini adalah respons yang tepat untuk sebuah ancaman, tetapi pada tingkat yang lebih tinggi dan ekstrem, itu bisa menjadi tidak normal (gangguan) dan mengganggu fungsi dan aktivitas sehari-hari. Beberapa orang masih mengabaikan gangguan kecemasan ini karena kurangnya informasi tentang mereka. Gangguan kecemasan memiliki berbagai gejala. Gejala kondisi ini dapat mempengaruhi orang yang terpengaruh secara mental dan fisik.  Pengobatan dalam bentuk obat-obatan dan psikologi ini masih relatif terbatas dan kurang berkembang. Sistem pakar ini mendiagnosis gangguan kecemasan dengan menghitung jumlah skor gejala yang dialami. Sistem ini mengimplementasikan backward chaining untuk mencari basis pengetahuan. Penyakit yang diidentifikasi menggunakan metode backward chaining membantu pengguna jalan untuk menangani penyakit tersebut dengan benar. Untuk dapat mengantisipasi, mengoreksi secara psikologis, dan secara umum kembali ke tingkat gangguan kecemasan yang normal yang dialami seseorang. Oleh karena itu, dapat disimpulkan bahwa sistem pakar efektif dalam mendiagnosis gangguan kecemasan.
Co-Authors Abdillah, Muhammad Imam Adam Syahputra Ade Risky Pradika Adi Widarma Adi Widarma Adinda, Sity Tree Adnan Buyung Nasution Afridayani Afridayani Agung Hazarin Aulia Chaniago Ahmad Hariandy Harahap Ahmad Raihan Azizi Ahyat Perdana Utama Aini, Nuriah Ali Akbar Lubis Ali Ikhwan Ali Ikhwan Ali Ikhwan Aliya Tasya, Nabilah Alpath Abimanyu Alya Seraya AMALIA, NOVITA Anggika Wardani Anggreini Aninda Muliani Annisa Zafhitri Nasution Aprilia, Rima Arafah, Maharani Arifianda, Reza Rizki Ariyanto, Arya Armansyah, Armansyah Armayani, Cici Ary Santri Yuanda Aryo Pratama Atika Sari Br Pa Aulansari, Suwinda Azrah Cipta Amandha Barus, Nurizni Beni Frandian Bi Rahmani , Nur Ahmadi Dariana Tanjung Diah Sawitri Diana, Dwi Rahmadani Ivan Dimas Ibnu Muthi Dina Amalia Putri Lubis Dinda Permana Srg, Dinda Dita Indah Pratama Putri Dita Sucinta Sembiring Dwi Saphira Dwi Yanti Laily Dwika Sherliyanda Eka Lestari Eka, Muhammad Eli Rosmita Ritonga Ellysa Syafitri Evan Alfian Syahnur Fajri Nurhidayahti Fajri Nurhidayahti Fakhriza, M Fakhriza, M. FATHIYA HASYIFAH SIBARANI Fatyana, Nadya Fauzi, Reza Dwi Fazira Syafitri Hutasuhut H. Aly, Moustafa Habib Asy Muhyi Habib, Maulana Hafizd, Sefian Habil Hanafiah Daniel Nawar Harahap, Frans Adetya Harahap, Imam Zarkasih Harahap, Putri Sari Febrianty Harold Situmorang Hasibuan, Aidillia Adha Hasibuan, Wahyu Hasypa Aulia Helmi Fauzi Siregar Heri Santoso Heri Santoso Heri Santoso Herviana Herviana Hewa Majeed Zangana Hibrizi, Muhammad Naufal Fathin Ihsan Saraini Ikhwanda Buyung Mangunsong Ilham Prabowo Ilka Zufria Imam Ahmad Imam Zarkasih Harahap Imanita, Yulia Indah Pramita Indira Febiana Ira Murni Irawati, Novica Irma Listiani Juliani, Riri Kartika Dara Ayu Khairina, Nadia Luthfiah Khairrun Nisa Khairul Hafidz Koto, Muhammad Hendrik Laila Hasni Laila Turrubiah Ila Laura Melsya Laylan Syafina Lesmana, Reza Kurnia Liana, Tika Lily Hidayati Luh Made Indah Sri Handari Adiputra M. Fakhriza M. Fakhriza M. Fakhriza M. Fakhriza M. Zulfadli Azmi Mahzuro Supianti P Manik, Hazizah W.S Maulana, Dimas Krisna Maurico Liang Melsya, Laura Merliana Putri Hasibuan Mia Nurjannah Muhamad Alda Muhammad Alda Muhammad Alfarisi Muhammad Artha Ardika Muhammad Eka Muhammad Fakhriza Muhammad Fakhriza, Muhammad Muhammad Hendrik Koto Muhammad Imbalo Zaki Hasibuan Muhammad Khairi Ikhsan Nasution Muhammad Khairul Amri Muhammad Khoir Al Alim Manurung Muhammad Rezeki Fasya Muhammad Siddik Hasibuan Muhammad Wahyu Hidayah Muhammad Yasin Simargolang Muklas Adi Putra Nabila Salsabila Nadila Alya Nadila Alya Rahmah Naila Umniati Naryama Harahap Nasution, Adnan Buyung Nasution, Muhammad Irwan Padli Nasution, Ratna Sabrina Nasution, Rukiah Niti Ravika Nasution Niti Ravika Nasution Novita Amalia Nst, Muhammad Taufik Akbar Nuha, Salsabila Isnain Nur Jamiyyah Nuri Aslami Nurkosrina Aisah Nurlangga, Rama Nopan Nurul Asyilah Nurul Wahdina ‘Ain Siregar Nurul Wahdina ‘Ain Siregar Okta Yuliardi Oris Krianto Sulaiman Pane, Ogie Ariansah Pasaribu, Afifah Balqis Pauji Wibowo Pinka, Maura Morena Prabowo, Eko Heri Pratama, Aryo Pratama, Dian Agus Pulungan, Rudi Ismail Puspa Ramadhani Putri Febriana Aulia Putri Ramadhani Putri Ratricia Putri Sari Febrianty Harahap Putri Sri Rezeki Raflikha Aliana A. Raof Raflikha Aliana A. Raof Rahma Azizah Lubis Rahman, Fazlur Rahmat Juniarif Zendrato Raissa Amanda Putri Ramadan, Chafiz Ranis Hsb Rasyad, Ismi Hamidah Raynaldi, Ahmad Razvan Serban Relita Theresia Reza Rizki Arifianda Rianto Sitanggang Rika Pirmasari Purba Rina Sari, Diah Ayu Risdani Muarif Risdayanti, Monica Rissa Azzahra Damanik Ritonga, Nola Putri Rizky Akbar Siregar Rizky Akbar Situmeang Rizky Khairuna Roy Francis Navea Safitri, Mayang Sahputra, Arfi Andi Samsudin Samsudin Samsudin, Samsudin Samsul Bahri Siagian Sandy Akbar Siregar Sanjaya, Bima Saputri, Indah Sari, Anggy Permata Selli Aprilla Simargolang Septiana Dewi Andriana, Septiana Dewi Seraya, Alya Shinta Fadhillah Silvia Paramita Simargolang, Muhammad Yasin Siregar, Muzakkir Rizky Siska Mayasari Rambe Sity Tree Adinda Tambunan Suendri Suendri Suendri, Suendri Suwinda Aulansari Sweety, Miana Syahputra, Adam Syahputra, Muhammad Zarwin T Sabrina Tasya Annisa Simatupang Taufiqurrahman Taufiqurrahman Tiara Arzhety Lubis Tika Liana Triase Triase Triase Triase Triase, Triase Triska Andini Uci Maharani Ulhaque, Nida Umniati, Naila Utama, Huzefah Valerry, Adele WidyaWahyu Cahyani Wildani Wildani Wisaksono, Aizat Yahfizham Yahfizham Yudhistira, Yudhistira Yun Betry Siagian Yustria Handika Siregar Yusuf Hanifiah Yusuf Ramadhan Nasution Zakiyah Khalilah Daulay Zarkasih Harahap, Imam