Table 11.

Performance for individual integration of UE and CA in Ablation Study

Systems	Components			Evaluation Metrics
	CW	UE	CA	Pre.	Rec.	F1
LSTM-UE		✓		0.6513	0.4204	0.4531
LSTM-CA			✓	0.6416	0.4293	0.4611
CNN-UE		✓		0.6738	0.6185	0.5743
CNN-CA			✓	0.7441	0.5616	0.5883

In the Components column, CW, UE, CA denote Credibility Weights, User Expertise and Cluster Attention module components, respectively. In the Evaluation Metrics column, Pre., Rec. and F₁ denote Precision, Recall, and F₁ score