Dual-Channel Reasoning Model for Complex Question Answering

Table 2

Ablation results on the HotpotQA dataset.

Model	Answer		Sup fact		Joint
	EM	F1	EM	F1	EM	F1
Baseline
—Yang et al.	45.60	59.02	20.32	64.49	10.83	40.16
—Yang et al.	49.06	63.62	32.01	75.40	18.12	50.36
—Only ans	49.88	64.42	—	—	—	—
—Only sup	—	—	43.15	79.61	—	—
Single channel
CGDe/FGIn	51.04	65.57	39.45	79.80	23.49	54.79
Only CGDe	50.81	65.20	38.78	79.35	22.62	53.86
Only FGIn	49.72	64.39	41.03	80.72	23.03	53.97
Dual channel
—Baseline-Dual	49.56	64.15	47.61	83.45	26.44	55.41
—CGDe-Baseline	51.23	65.42	46.71	83.03	26.79	55.77
—FGIn-Baseline	50.42	64.82	48.93	84.10	27.95	56.47