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Rizaldi, Rizaldi
Sekolah Tinggi Manajemen Informatika Dan Komputer Royal
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Reliability-Aware Public Issue Priority Mapping for Indonesia’s Free Nutritious Meal Program Using Sentiment Calibration and BERTopic Rizaldi; Dewi Anggraeni; Abdul Kholiq
Journal of Information System and Informatics Vol 8 No 4 (2026): August
Publisher : Asosiasi Doktor Sistem Informasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63158/journalisi.v8i4.1753

Abstract

The Free Nutritious Meal Program (MBG) has generated extensive public discussion on platform X. This study develops a reliability-aware framework for mapping public issue priorities by integrating sentiment analysis, probability calibration, and topic modeling. A final dataset of 1,641 public X posts was de-identified, preprocessed, relevance-filtered, manually labeled, validated, and proportionally split. TF-IDF + SVM was used as a classical baseline, while IndoBERTweet was fine-tuned and calibrated using temperature scaling. BERTopic was applied to generate topics, followed by manual interpretation into substantive issue groups. TF-IDF + SVM outperformed IndoBERTweet, achieving 0.8138 accuracy and 0.7999 Macro-F1, while IndoBERTweet achieved 0.7611 accuracy and 0.7142 Macro-F1. IndoBERTweet was retained because it provides probability-based confidence scores for calibration and priority mapping. Calibration modestly reduced NLL from 0.5239 to 0.5199 and ECE from 0.0700 to 0.0682. BERTopic produced 19 non-noise topics with a coherence score of 0.4552. The highest-priority public discussion theme concerned food safety, poisoning-related discourse, and consumption quality. This framework provides initial public-opinion monitoring input, not definitive policy evaluation, and requires external validation before formal policy use.
Co-Authors Abdul Kholiq Abdul Kholiq Agastya I Made Artha Ari Dermawan Ariska, Feby Arridha Zikra Syah Dewi Anggraeni Dewi Anggraeni Dewi Rahmawati Elly Rahayu elvina yunita Endra Saputra Febri Dristyan Guntur Maha Putra Harahap, Indra Ramadona Hommy Dorthy Ellyany Sinaga Indri Damayani Kifty, Wan Mariatul Kusrini Maha Putra, Guntur Maharani, Dewi Mardalius Mardalius Maulana Dwi Sena Muhammad Iqbal Muhazir, Ahmad Muthia Dewi Nasution, Akmal Nofita Elfina Parini Parini Putra, Guntur Maha Rahayu, Elly Rahmadani, Sherly Rian Syahputri Riki Handoko Rizky Maulidya SANTOSO SANTOSO Sinta Ramayani Sudarmin Sudarmin Sumantri Sumantri Teres, Ella Octa Umairoh Utami Ema