PerAnSel:  A  Novel Deep Neural Network-Based System for Persian Question Answering

Table 14

Error analysis on the question processing component.

Interrogative word	Percent	Accuracy (%)
What	23.2	97.8
How	13.2	95.4
When	8.30	98.7
Where	21.1	99.5
Who	13.0	98.4
Which	20.7	99.5
Why	0.60	16.6