Table 1.

Number of ground truth assertions and predictions associated with precision, recall and F1 scores for discourse segment type classification based on CRF analysis.

Statement type	Ground truth	Prediction	Correct predictions	Precision	Recall	F1
Problem	2	2	0	0.00	0.00	0.00
Fact	53	30	14	0.47	0.26	0.34
Hypothesis	36	17	12	0.71	0.33	0.45
Goal	30	26	18	0.69	0.60	0.64
Method	98	90	66	0.73	0.67	0.70
Result	182	216	147	0.68	0.81	0.74
Implication	44	64	31	0.48	0.70	0.57
Weighted F1						0.63