Fine-Tuning Topic Modelling: A Coherence-Focused Analysis of Correlated Topic Models
Syahrial Syahrial,
Razief Perucha Fauzie Afidh
Abstract:The Correlated Topic Model (CTM) is a widely used approach for topic modelling that accounts for correlations among topics. This study investigates the effects of hyperparameter tuning on the model's ability to extract meaningful themes from a corpus of unstructured text. Key hyperparameters examined include learning rates (0.1, 0.01, 0.001), the number of topics (3, 5, 7, 10), and the number of top words (10, 20, 30, 40, 50, 80, 100). The Adam optimizer was used for model training, and performance was evaluat… Show more
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