HGVul: A Code Vulnerability Detection Method Based on Heterogeneous Source-Level Intermediate Representation

Table 9

Performance of the heterogeneous IR. Performance of the heterogeneous IR on Big-Vul (%).

Method	Acc		Recall	F1	FNR	FPR
GAT-AST+	98.1	87.5	76.8	81.8	23.2	0.7
GAT-CPG+	98.4	90.2	80.8	85.2	19.2	0.5
HG-AST+	98.2	87.6	80.4	83.9	19.6	0.7
HG-CPG+ (ours)	98.7	92.9	84.9	88.3	15.1	0.5