BERTopic outperformed PLSA on topic coherence (Cv 0.41 vs 0.37) and interpretability for extracting themes from NTSB aviation safety reports, according to this comparison.
Is automated topic model evaluation broken? the incoherence of coherence,
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Is BERTopic Better than PLSA for Extracting Key Topics in Aviation Safety Reports?
BERTopic outperformed PLSA on topic coherence (Cv 0.41 vs 0.37) and interpretability for extracting themes from NTSB aviation safety reports, according to this comparison.