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All Journal Jurnal Penelitian Humaniora Jurnal Informatika dan Komputasi STMIK Indonesia Jakarta Jurnal Penelitian Hutan Tanaman At-Taradhi: Jurnal Studi Ekonomi AL-Daulah The Indonesian Journal of Occupational Safety and Health BERITA BIOLOGI Jurnal Ilmiah Ekonomi Islam Jurnal Ilmiah Kebijakan Hukum Jurnal Keperawatan BSI Hikmah : Journal of Islamic Studies Teosofia: Indonesian Journal of Islamic Mysticism Hasanuddin Law Review JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jurnal Ekonomi Integra Scientific Journal of Reflection : Economic, Accounting, Management and Business Journal of Tropical Crop Science YUSTISI PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Pendidikan SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Dinasti International Journal of Digital Business Management Hanifiya: Jurnal Studi Agama-Agama Community Development Journal: Jurnal Pengabdian Masyarakat Indonesian Journal of Global Health research Jurnal Pengabdian kepada Masyarakat Nusantara Yustisi: Jurnal Hukum dan Hukum Islam Journal of Industrial Engineering & Management Research (JIEMAR) Mattawang: Jurnal Pengabdian Masyarakat Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) Jurnal Pengabdian Masyarakat Indonesia Yayasan Cita Cendikiawan Al Khwarizmi International Journal of Community Service Journal of Government Science (GovSci ) : Jurnal Ilmu Pemerintahan Locus: Jurnal Konsep Ilmu Hukum International Journal of Tourism and Hospitality in Asia Pasific Kybernology : Journal of Government Studies Journal of Advanced Technology and Multidiscipline (JATM) HISTORIA: Jurnal Program Studi Pendidikan Sejarah Indonesian Research Journal on Education Mazinda: Jurnal Akuntansi, Keuangan, dan Bisnis Jurnal Ilmiah Administrasi Dan Sosial Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK) JPEMAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Keislaman TATHO: International Journal of Islamic Thought and Sciences Jurnal Online Skripsi Manajemen Rekayasa Konstruksi (JOS-MRK) Al-Irfan: Journal Of Arabic Literature and Islamic Studies
Achmad Achmad
Departemen Silvikultur, Fakultas Kehutanan IPB, Jl. Lingkar Akademik Kampus IPB Darmaga – Kotak Pos 168 Bogor 16680
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Journal : JOURNAL OF APPLIED INFORMATICS AND COMPUTING

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Optimizing Feature Extraction for Naïve Bayes Sentiment Analysis Achmad, Achmad; Budiman, Fikri
Journal of Applied Informatics and Computing Vol. 10 No. 1 (2026): February 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i1.12041

Abstract

The rapid growth of e-commerce platforms such as Tokopedia has generated a large volume of user reviews containing diverse opinions about products and services. These reviews reflect consumer perceptions and provide valuable insights for business decision-making. This study aims to enhance sentiment analysis performance by optimizing the Naïve Bayes algorithm through a comparison of two feature extraction techniques, namely Bag of Words (BoW) and Term Frequency–Inverse Document Frequency (TF-IDF). The dataset consists of 5,400 Tokopedia product reviews obtained from the Kaggle platform, which are categorized into positive and negative sentiments. The research process includes text preprocessing consisting of text cleaning, case folding, tokenization, stopword removal, and stemming, feature extraction using Bag of Words (BoW) and Term Frequency–Inverse Document Frequency (TF-IDF), handling data imbalance using the Synthetic Minority Over-sampling Technique (SMOTE), and model training using the Naïve Bayes. The dataset is divided into 80% training data and 20% testing data, and model performance is evaluated using accuracy, precision, recall, and F1-score. The results show that BoW achieved the highest accuracy of 93%, while TF-IDF reached 83%, indicating that BoW provides more effective feature representation and more stable performance for Naïve Bayes-based sentiment analysis on this dataset.
Co-Authors -, Nasiri A. M. Yunus Wahid, A. M. Yunus Abd Mubaraq, S.E.,Sy. M.A Abdul Aziz Abidin, Siti Chaerani Fatimah Adriana Grahani Firdausy Adriana Grahani Firdausy Afifah, Fakhirotul Agus Riwanto, Agus Ai Rosah Aisah Airlangga Surya Nagara Aisyah Aisyah al-Hamidy , Abu Dzarrin Alam, Andi Rifdah Auliyah Alfatih, Muhammad Wildan Ali, Misbahul Amaliyah, Amaliyah Amanda Cahyadewi, Felicia Amir Amir Anak Agung Istri Sri Wiadnyani Andi Alim, Andi Andina Elok Puri Maharani Anggi Pramunendar, Ricardus Anisah, Lely Nur Anom Husodo, Jadmiko Ardelia, Aya Sofia As’ad, Muhammad Ridwan Azzahrah, Azzahrah Bakti, Fauziah P. Bonny P.W. Soekarno, Bonny P.W. Budi Purnomo Bustami Bustami Citra, Savitri Dany, Ahmad Denta Saputra, Fahrizal Dewa, Grabiella Elok Puri Maharani, Andina Emawati emawati ENDANG SUHENDANG Erlangga, Mikael Figo Bara Erlina Erlina EVRIANA, FRISCA faisal Reza Faizin, Nurul Faizul Muttaqin Anwar Musthofa, Ahmad Fauzi Ahmad Muda Fikri Budiman Fitria, Lailatul Hardiyani, Mitha Hayet, Hayet Hemi Fitriani, Hemi Hendrawan Hendrawan Idris, Aryani Rachmawati Ika Nawang Puspitawati Irwan Irwan Isharyanto Isharyanto Juliater Simamarta Junaedi, Wahyu Kiptiyah, Kiptiyah Laksamana, Rio Layyinah, Rahmatika Lingga Lingga Lisdayanti, Lisdayanti Listiana, Arnetta M. Yamani Madalina, Maria Maggy T Suhartono Maskun Masyhur, Abdullah Al Memet Agustiar, Memet Metasari Kartika, Metasari Miftahul Ulum Muazzaroh, Faizatul Mubaraq, Abd Mubaraq, Abd. Muchsin, Putri Rofifah Nabilah Muhammad Aldo Setiawan Muhammad Naufal, Muhammad Munadhir Munadhir Nasir, Fadillah Afrivo Naswar Bohari Naswar, Naswar Nuraripah, Pia Nurdianti Nurdianti Nurhasanah, Via Oktavriana, Diah Ratri Pramarta, Pandhu Prawiro, Suharno Primadi Candra Susanto Raharjo, Bobby Asukmajaya Rahman, Fadhlu Rejeki, Afifah Tri Resti Resti Richo Kurniawan, Ibnu Ridwan, Endy Novryan Rivai, Andi Abil Hasan Rizqullah, Amelia Putri Widya Dhari Rohavik, Opik Safitri, Entin Saiful Aziz Samsul Arifin Sari, Intan Nurmala Simon Taka Nuhamara Soetrisno Hadi Sri Wahyuni Sufiqri, Bambang Sugianto Sugianto Syamsuar Manyullei Tambunan, Darwin Taufiq Rochman Ula, Ade Isfi Ayatul Umar Fakhrizal, Irsyad Ummul Firdaus, Sunny Uni Kurnia Wahyudi Wahyudi Wasrin Syafii Wicaksono, Isa Agung Wisnu, Laksmidari Khansa Bella Yudiwanti Wahyu E. Kusumo zakki adlhiyati, zakki Zukin, Ach.