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Suprayogi Suprayogi
Institut Teknologi Bandung
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Journal : journal of applied informatics and computing

 1 
Comparing Machine Learning Models for Sentiment Analysis of Tokopedia Reviews Ulhaq, Afif Langgeng Dhiya; Suprayogi, Suprayogi
Journal of Applied Informatics and Computing Vol. 9 No. 6 (2025): December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i6.11239

Abstract

This study presents a comparative evaluation of machine learning models for sentiment analysis on Tokopedia user reviews written in the Indonesian language. The objective is to assess the effectiveness of three algorithms—Support Vector Machine (SVM), Random Forest (RF), and Multilayer Perceptron (MLP)—in classifying customer sentiments extracted from Tokopedia reviews on Google Play Store. The dataset, collected between January and October 2025, consists of 10,236 unique entries after preprocessing, which included text cleaning, case folding, tokenization, stopword removal, normalization using a verified Indonesian word normalization dictionary, and optional stemming with the Sastrawi library. The reviews were divided into positive and negative categories based on rating polarity (4–5 stars as positive; 1–2 stars as negative).Each model was evaluated using both hold-out validation (80:20 split) and 5-fold cross-validation, employing metrics such as accuracy, precision, recall, and F1-score. Experimental results indicate that the SVM achieved the highest accuracy of 0.88, outperforming Random Forest (0.85) and MLP (0.83). These findings demonstrate that SVM performs more robustly on sparse TF-IDF vector features and is more resistant to noise within informal Indonesian expressions. The research further discusses the linguistic challenges inherent in Indonesian sentiment analysis, including code-mixing, abbreviations, and non-standard words, while proposing preprocessing strategies to mitigate them.The outcomes of this study contribute to enhancing the reliability of sentiment-based decision support systems in Indonesian e-commerce platforms. The methodological framework developed here can serve as a baseline for future work involving hybrid or deep-learning approaches such as LSTM or IndoBERT for improved contextual understanding.
Co-Authors A. Hakim Halim Abdul Latif Abu Bakar Sambah, Abu Bakar Adi Surya, Yuda Agus Riyanto agustian, irwan Agustina, Feri Ahmad Fauzan, Sayed Ahmad S. Indrapriyatna Alfrisa, Bagus Amaliyah Rohsari Indah Utami Amelia Santoso Andan Linggar Rucitra Angelia, Ervina Wiedyasta Anthon Efani Ardesis, Yoana Ardhya Maharani, Shinta Aris Munandar Aris Siswanto Asep Awaludin Prihanto Asep Suhendi Asfi Manzilati Auliarachman, Reivica Avianto, Luthfi Wigi Avisenna, Hikmat Bambang Sumajudin Beauty Suestining Diyah Dewanti Berliana Putri, Azalea Bermawi P. Iskandar Cahaya Jatmoko Camelia, Camelia Daffarel, Rakyan Choiruna Dhita Morita Ikasari Dian Puspita Dodyk Pranowo Dudi Darmawan Dwi Arman Prasetya Dwi Indriastuti, Dwi Dwi Jalu, Arga Dwi Prasetyo, Ega Dwiwahju Sasongko Dyah Susanti E.F. Sri Maryani Santoso Eko Hari Rachmawanto Eko Wahyu Jamaluddin, Eko Wahyu El Afwa, Muthia Endah Rahayu L. Eni Rahmawati Eva Riantika Ratna Palupi Fadhilah, Umi Faizatiwahida, Novia Fajar, Nanda Kurnia Ferdinand, Julius Firdausyi, Izzati Ardhan Firstania, Aurellia Gandhatyasri Rohmah, Wendra Hamonang Sigalingging, Hamonang Hanafiah, Yusuf Harianja, Ricky Hedriyanto, Novi Helza Risdianti Hemu, Viky Noviani Heru Lestiawan Hery Ramdhani, Hery Hidayati, Bhekti Ayu Hirmaleny, Yenny Holiawati, Holiawati Huang, Felicia Hurmuzi, Erik Roma Ibnu Syabri Indra Chandra Indra Gilang Pamungkas Irnu, Julfilkar Adnan Isdaryanto, Noorochmat Ismail, Khosid Mahendra Iswanto, Dian Sasmita Jaelani, Jaelani Kenaka, Saskia Puspa Khairany, Rahma Khan, Shana Makhmood Kherani, Evi Khoirot, Risyda Ma'rifatul Kusuma, Happy Indah Laksmi, Anasya Arsita Lestari, Eta Yuni Linggar Rucitra, Andan Lisdayani, Fika Lisye Fitria Mochamad Verza, Mochamad Morita Ikasari, Dhita Mubarak, Luthfi Rizqi Muhammad Syamsul Hadi, Muhammad Syamsul Muzayyanah, Nur Indah Nachrowie, Nachrowie Nareswari, Bernardia Filia Nimas Mayang sabrina, Nimas Mayang Novanti, Elza Aqilla Noviani Hemu, Viky Nugroho, Kristianto Dwi Nur Aziza, Nadya Lulu Nur Bahagia, Senator Nur Hidayat Nurdiansyah, Isnan Oktaviani, Adellia Rizki One, Ferdyandika Putra Aprilia Paillin, Daniel Bunga Parikesit, Bonifasius Santiko Pelu, Muhammad Rijali Sukur Permana, Muhamad Arif Permatasari, Berlintina Ponendi Hidayat Pranoto, Budi Eko Putra, Ivan Arfiansyah Putri, Ni Kadek Devi Adnyaswari Rachmawati, Lulu Millatina Rafi Achmad Rukhama Rafi'uddin, Hafidz Rasyid, Tazlila Rahmi Riska Septifani Saadah, Risma Amalia Sabrina Sunyoto, Nimas Mayang Safaraz, Mohammad Bhampy Nugraha Salsabila, Dianah Samanik, Samanik Saputro, Fakhri Rasyid Saragih, Nova Sari, Puspita Ambar Senator Nur Bahagia Setiyawan, Hendrix Yulis Setyobudi, Hari Sihombing, Gian Felix Sihombing, Paulus Osvaldo Yudistira Sinaga, Daurat Sitorus, Andreas Robert Panogu Solichul Huda, Solichul Sri Hartutik SRI SETIYARINI, SRI Sugara, Guruh Sugiyono Sugiyono Sulistyawati Kumalasari, Sulistyawati Suripto Suripto Susy Susanty Suwandi Suwandi Syamsul Hadi, Mochammad Tampubolon, Josua Suhendra Thaddeus, Yudi Toha, Muhamad Totok Agung Dwi Haryanto Tri Widayanti, Vindhya Trianto, Adden Triatmojo, Setyo Tunggulgeni, Ekodjati Ulhaq, Afif Langgeng Dhiya Valentine Valentine, Valentine Wahyudi, Purnomo Waskito, Arga Gladi Wendra Gandhatyasri Rohmah Wijaya, Uki Budi Wijaya Winda, Syahdu Wiratomo, Giri Harto Yudithadewi, Dien Yusuf Priyandari Zaharany, Tsania Ayu Zahra, Indri Eliza Zulismar, Reni