Table 5.

Results of the four training cases

Model	Test set			Validation set			Training set
	F1	Precision	Recall	F1	Precision	Recall	F1	Precision	Recall
Base model	0.8499	0.8437	0.8562	0.8435	0.8379	0.8491	0.9498	0.9404	0.9595
+ lexicon	0.8554	0.8604	0.8505	0.8493	0.8570	0.8418	0.9986	0.9983	0.9989
+ case	0.8604	0.8571	0.8637	0.8533	0.8536	0.8530	0.9963	0.9952	0.9973
+ lexicon + case	0.8574	0.8505	0.8645	0.8527	0.8482	0.8572	0.9422	0.9336	0.9510