Research Article

EX-Action: Automatically Extracting Threat Actions from Cyber Threat Intelligence Report Based on Multimodal Learning

Table 4

Comparison of the result of different features.

CombinationFeaturesNumberAccuracy (%)Recall (%)Precision (%)F1-score (%)NMI (%)

117971.9977.8282.1679.9394.08
117971.2977.8280.9879.3694.02
117772.2077.6882.6580.0993.81
116971.2877.1681.6379.3393.98
104664.8869.0478.7173.5693.09
113169.8274.6581.7278.0393.76
116772.3577.0383.6080.1894.26

The bold values represent the maximum values of each metric.