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All Journal INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi Jurnal CoreIT IT JOURNAL RESEARCH AND DEVELOPMENT INOVTEK Polbeng - Seri Informatika Jusikom : Jurnal Sistem Komputer Musirawas J-SAKTI (Jurnal Sains Komputer dan Informatika) IJISTECH (International Journal Of Information System & Technology) Jurnal Teknologi Dan Sistem Informasi Bisnis International Journal of Advances in Data and Information Systems Brahmana : Jurnal Penerapan Kecerdasan Buatan IJISTECH Journal of Applied Data Sciences J-SAKTI (Jurnal Sains Komputer dan Informatika) International Journal of Research in Vocational Studies (IJRVOCAS) J-COSCIS : Journal of Computer Science Community Service Internasional Journal of Data Science, Computer Science and Informatics Technology (InJODACSIT) SATIN - Sains dan Teknologi Informasi
Pandu Pratama Putra, Pandu Pratama
Universitas Lancang Kuning
Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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A Performance Enhancement Strategy for Sentiment Classification Models On Political Social Media Using Hyperparameter Tuning And Boosting Chan, Andi Supriadi; Husna, Meryatul; Putra, Pandu Pratama
International Journal of Advances in Data and Information Systems Vol. 6 No. 3 (2025): December 2025 - International Journal of Advances in Data and Information Syste
Publisher : Indonesian Scientific Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59395/ijadis.v6i3.1455

Abstract

This study aims to develop an optimized machine learning-based sentiment classification model for election-related issues. A dataset comprising 10,001 entries was collected from the social media platform X and manually labeled into three sentiment classes: positive, negative, and neutral. The preprocessing stage involved text cleaning, stemming, and feature transformation using the Term Frequency-Inverse Document Frequency (TF-IDF) method. To address class imbalance, the Synthetic Minority Over-sampling Technique (SMOTE) was employed. Three baseline classification algorithms—K-Nearest Neighbors (KNN), Support Vector Machine (SVM), and Gaussian Naive Bayes (GNB)—were initially evaluated to establish a performance benchmark. Model development proceeded by applying hyperparameter optimization using the Optuna framework and further enhancing the models via boosting with Extreme Gradient Boosting (XGBoost). Experimental results revealed that the combination of SVM with Optuna and XGBoost achieved the best performance, reaching 97% accuracy, precision, recall, and F1-score across all classes. In contrast, the KNN and GNB models experienced a notable decline in performance following hyperparameter tuning, although partial recovery was observed when combined with boosting. These findings suggest that hyperparameter tuning and boosting are not universally effective across all classifiers, yet their synergistic application significantly enhances performance in SVM-based models. This study highlights the importance of model-specific optimization strategies in building robust sentiment analysis systems, particularly for handling unbalanced public opinion data in social media contexts.
Co-Authors Abrar Hadi Adi Rahmat afwan, zul Ahmad Zamsuri, Ahmad Alkadri Masnur Anam, M Khairul Andam Lukcyhasnita Andi Supriadi Chan, Andi Supriadi Anisya Anisya Arda Yunianta Bayu Febriadi Bayu Febriadi Bayu Febriadi Bayu Febriadi, Bayu Dafwen Toresa Didik Siswanto DWI ANA PERTIWI Edriyansyah Elva, Yesri Fana Wiza, Fana Febrizal Alfarasy Syam Febrizal Alfarasy Syam Firdaus, Muhammad Bambang Gabriel Ardi Hutagalung Gunawan, Chichi Rizka Guntoro, Guntoro Handrian Azhar hendri, nofri Husna, Meryatul Ikhsan Ikhsan Karfindo, Karfindo Keumala Anggraini Lisnawita Lisnawita Loneli Costaner Lucky Lhaura Van FC, Lucky Lhaura Mahessya, Raja Ayu Muhamad Sadar, Muhamad Muhammad Syaifullah Nijal, Lasri Nori Sahrun Nuraini Nurwijayanti Panji Rachmat Setiawan Puspita Sari Rio Andika Malik Rometdo Muzawi, Rometdo RR. Ella Evrita Hestiandari Sarjon Defit Siswanto, Didik Sularno Sularno Susi Handayani Sutejo Sutejo Syam, Febrizal Alfarasy Teri Ade Putra Wahyu Joni Kurniawan, Wahyu Joni Yogi Ersan Fadrial Yogi Ersan Fadrial Yogi Yunefri, Yogi