An Improved Knowledge Graph Question Answering System for English Teaching

Table 5

Question answering results of development set with different similarity thresholds .

β value	Precision	Recall	F1 score
0.1	83.89	91.21	87.37
0.3	84.26	91.12	87.52
0.5	85.62	90.91	88.20
0.7	85.85	90.11	87.89
0.9	86.39	89.64	87.89