Table 1.

Performance comparison on maximum F1 score with existing models

Methods	Team	F	R	P
SVM-based	TEES [5]	42.27	38.35	61.61
	VERSE [6]	55.80	61.50	51.00
DL-based	DUTIR [15]	47.80	39.70	60.00
	TurkuNLP [16]	52.10	44.80	62.30
	DET-BLSTM [17]	57.14	57.99	56.32
	BGRU-Attn [18]	57.42	69.82	48.76
	Our model	60.77	65.28	56.85

The listed results derive from the corresponding papers. F: F1 score; R: recall; P: precision. Our model used all of the proposed contributions (the results from the last row in Table 6). The highest scores are highlighted in bold