Table 8. Accuracy comparison of the CNN+BiLSTM model with baseline models from prior studies.

Study/Model	Precision (%)	Recall (%)	F1-score (%)	Accuracy (%)
Sambasivam, Amudhavel & Sathya (2020)	81	80	81	82
Kasyap et al. (2024)	84	83	84	86
Proposed CNN+BiLSTM with GA	96	97	96	97