Satrio Hadi Wijoyo
Program Studi Teknik Informatika, Fakultas Teknologi Informasi, Institut Teknologi Sepuluh Nopember, Surabaya

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Naive Bayes with SMOTE for Predicting the Competitiveness of Vocational School Graduates on Imbalanced Data (Case Study: SMK Negeri 3 Malang) Arsy Kurnia Fitri; Wijoyo, Satrio Hadi; Hariyanti, Uun
Journal of Information Technology and Computer Science Vol. 11 No. 1: April 2026
Publisher : Faculty of Computer Science (FILKOM) Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jitecs.111870

Abstract

Vocational high schools (SMK) aim to produce work-ready graduates. However, the open unemployment rate (TPT) for SMK graduates remains high at 9.01%, indicating a significant competency gap. This study designs a model to predict graduates workforce competitiveness using the Naive Bayes algorithm combined with the Synthetic Minority Over-sampling Technique (SMOTE). SMOTE is employed to address the class imbalance between capable and incapable graduates. The study follows the Cross-Industry Standard Process for Data Mining (CRISP-DM) methodology, utilizing academic scores and tracer study datasets. Evaluation results demonstrate that applying SMOTE with a 70:30 train-test split successfully increased model accuracy to 97%. Notably, the model effectively detects the minority class with a Recall of 90%. Furthermore, cross-validation yielded an average accuracy of 97.66%, demonstrating stable performance. Finally, the model was implemented as a web-based dashboard to serve as an early warning system for schools.
Pengembangan Sistem Informasi Klasifikasi Bidang Penelitian Skripsi Berdasarkan Judul Dan Abstrak Menggunakan Algoritma Support Vector Machine Susanto, Ananta Risky; Wijoyo, Satrio Hadi; Rachmadi, Aditya
Jurnal Pengembangan Teknologi dan Ilmu Komputer Vol 10 No 13 (2026): Publikasi Khusus Tahun 2026
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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

Abstract

Penelitian ini mengembangkan Sistem Informasi Klasifikasi Bidang Penelitian Skripsi berbasis web untuk mengotomatisasi penentuan bidang penelitian berdasarkan judul dan abstrak. Latar belakang penelitian adalah proses klasifikasi manual yang cenderung memakan waktu, berpotensi subjektif, serta dapat memengaruhi ketepatan pemetaan topik dan rekomendasi dosen pembimbing. Pengembangan sistem dilakukan menggunakan model Waterfall melalui tahapan analisis kebutuhan, perancangan, implementasi, dan pengujian. Proses klasifikasi memanfaatkan algoritma Support Vector Machine dengan praproses teks serta pembobotan fitur TF-IDF. Sistem dirancang untuk empat peran pengguna, yaitu admin, dosen, mahasiswa, dan kaprodi, dengan fitur utama meliputi klasifikasi otomatis, riwayat klasifikasi, rekomendasi dosen pembimbing, dan monitoring statistik. Hasil pengujian menunjukkan model memiliki kinerja yang baik pada skenario data terbaik, seluruh fungsi sistem valid pada pengujian fungsional, dan tingkat penerimaan pengguna berada pada kategori sangat baik. Berdasarkan hasil tersebut, sistem dinilai layak diimplementasikan untuk mendukung proses klasifikasi bidang penelitian skripsi yang lebih cepat, konsisten, dan terstruktur, sekaligus membantu pengambilan keputusan akademik.
Co-Authors 'Aisy, Rihadatul Abdurrahman, Ikzaaz Bakhtar Abhirama, Fauzan Akbar Abiyyu, Muhammad Alifandi Addieni, Jihan Syahda Aditya Rachmadi, Aditya Admaja Dwi Herlambang, Admaja Dwi Adristi, Tikta Ahmad Afif Supianto Ahnaf, Muhammad Farrel Reginaldo Aji, Yanuar Bimantoro Akbar, Muhammad Aminul Akhmadi, Lutfiani Alfian Hakim Alimah, Cindy Felita Nur Almas, Muhammad Fikri Almira Syawli Ananda, Reza Berlian Anandhika, I Made Bagus Ananta, Aprilia Andi Reza Perdanakusuma, Andi Reza Aprilianto, Pratama Ardelia, Ayunizar Fata Ardiansyah, M. Iqbal Aritonang, Elsa Arsy Kurnia Fitri Aryani, Lisa Aryati, Meilita Dwi Aryo Pinandito Astriya Nugraha, Dwi Cahya Aswin Suharsono, Aswin Atmaja, Alvino Dwiky Aurellia, Salsabila Rachma Ayuningdias, Risky Azizi Fahreza, Muhammad Alfian Kurnia Azkiyah, Azka Bangse, Ni Nyoman Dinda Permata Putri Bayu Satriawan, Eka Bihantoro, Riyan Budi Bilqis, Ariqa Budiyanti, Alifia Putri Cahyani, Ernita Dwi Dewa Yani, Kartika Putri DEWI RAHMAWATI Dian Eka Ratnawati Diana Purwitasari Djoko Pramono Dwinanda, Ashila Gisara Edmund Pierre Purba, Geoffrey Eris Maghfiroh, Intan Sartika Fadhilah, Irsya Salim Fadhlika, Nidi Amalia Faizatul Amalia, Faizatul Fatmawati, Fatmawati Faturani, Bunga Sauma FEBIANA, DHEA RACHMA Firdaus, Raihan Zahran Fitra Abdurrachman Bachtiar Fitri, Arsy Kurnia Ghani Wijaya, Alfiyanto hafilah, salma Hanggara, Buce Trias Hanif, Muhammad Fauzan Hanifah Muslimah Az-Zahra, Hanifah Muslimah Hanun, Putri Nabilah Hariz Farisi Herawati, Serra Nadya Indi Herlambang, Adwaja Dwi Herlando, Muhammad Raafi Heryana, Ana Hikmah Amalia, Dwi Himawat Aryadita, Himawat Husen, Dania Lazuardi Ibrohim, Muhammad Idota, Patrick Jore Ikhsawiyanthi, Anisah Irmawan, Rozy Setia Iskandar, Fahru Setiawan Issa Arwani Jahiro, Almaas Janara Khansa, Elyzia Jannah, Ghina Shofa Raudhatul Jatmiko, Alvindo Tri Juan, Helga Julen, Eiko Farah Diva Khalid Rahman, Khalid Kirana, Urdha Egha Krisnandi, Didik Kurniasari, Salvia Dyah Lubis, Ade Fatmasari Macira Balqis Abdul Gopur, Maersyifaa Maulana, Alif Rizal Mochamad Chandra Saputra, Mochamad Chandra Mubarok, Muhammad Rosyid Mulyadi, Alfansya Achmad Muslichah, Nur Wachidatul Nabawiyyatin, Ala Millatin Nanang Yudi Setiawan Nugraha, Dwi Cahya Astriya Nurul Hidayat Octavia, Sarah Uli Perdanalusuma, Andi Reza Perwira, Muhammad Phadung, Muneeroh Prabandari, Putu Ayu Purnama Dyah Prakoso, Bondan Sapta Prakoso, Erick Pranaliwa, I Putu Ardhika Pryono, Muhammad Adam Purnama, Putu Tya Virnayanti Purnawirawan, Okta Purnomo, Welly Puspita, Amelia Dhea PUSPITA, ARBALIYAH Putra, Kristantheo Nathaniel Damara Putri, Hana Rizkia Iswana Putri, Rizka Saudah Yunida Putri, Salsabila Tjahya Kusuma Rahmandita, Prasetya Naufal Ramadana, Muhammad Rifqy Ramadhan Al Fauzi, Rafly Ramadhan, Rakhmad Fajar Ramadhani, Aditya Wahyu Reinanda, Moch Zoel Retno Indah Rokhmawati, Retno Indah Riswan Septriayadi Sianturi Ro'if, M. Rosady, Annisa Rosanti, Mitha Diah Rosida, Khanif Rozi, Fahrur Salim, Pratama Maulidi Ega Salsabila, Syahda Rani Salshabila, Alyssa Salshabila, Alyssa Melani Salwa, Shafa Nathaniela Satriawan, Eka Bayu Satrio Agung Wicaksono Sebayang, Gading Sembiring, Rinawati Septiyan Andika Isanta Setyawan, Romi Fajar Sholihah, Tuffahati Sibuea, Sandro Christopher Siregar, Rafi Arya Sitepu, Mikha Aziel Christian Sugiharto, Pradiptya Kahvi Suhartanto, Nathalia Clarissa Anggraini SUPRAPTO Suprihono, M. Rezky Revansyah Suryananda, Dananjaya Cikal Danis Suryanugraha, Mohamad Ariq Susanto, Ananta Risky Tambing, Nathania Maerella Arungla'bi' Tarihoran, Aditya Nugraha Tri Afirianto, Tri Uun Hariyanti Uun Hariyanti, Uun Waworuntu, Kenneth Clinton Welly Purnomo Wibisono Sukmo Wardhono, Wibisono Sukmo Wibisono, Jonathan Wicaksono, Abdul Harris Widhiprasetyo, Fadhil Widhy Hayuhardhika Nugraha Putra wijaya, khonsa Yanuar, Athallarifky Yanuardhana, Anugrah Daffa Yufis Azhar Yusi Tyroni Mursityo Zaein, Nabila