Skripsi
ANALISIS SENTIMEN TERHADAP ULASAN APLIKASI MOBILE JKN BERBASIS INDOBERT
Mobile JKN is a digital innovation by BPJS Kesehatan designed to simplify access to National Health Insurance (JKN) services. However, user reviews on the Google Play Store indicate technical barriers affecting participant satisfaction. This study aims to analyze user sentiment using the IndoBERT model, a transformer-based architecture pre-trained on billions of Indonesian words to accurately recognize both formal and informal sentence structures.The research methodology includes data preprocessing using deduplication techniques, resulting in 7,063 unique data points. To address the limited variation, data augmentation was performed by adding 6,106 new data points specifically for the training path. The model was trained using the data splitting method and optimized using the Optuna framework to find the best parameters.The results show that the optimal configuration in Trial ID 3 achieved an overall accuracy of 91.00% on 707 test data points. The model demonstrated stable performance with an F1-score of 0.91 for the negative class and 0.92 for the positive class. The implementation of IndoBERT combined with data augmentation and Optuna optimization proved effective in mapping public perception. These analysis results are expected to serve as a guide for BPJS Kesehatan in refining digital services to better meet user needs. Keywords: Sentiment Analysis, IndoBERT, Mobile JKNAugmentation,Optuna
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