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Table 7

Experimental results for Twitter data set (bold are best scores).

Experiment	S			NS
Experiment	P	R	F1	P	R	F1
disc_bl^ct	64.20	64.95	64.57	69.0	68.30	68.70
disc_bl^ct+pt	65.64	65.86	65.75	70.11	69.91	70.00
tf-idf_bl^ct	63.16	67.94	65.46	70.04	65.41	67.64
tf-idf_bl^ct+pt	65.54	72.86	69.01	73.75	66.57	69.98
LSTM^ct	73.25	58.72	65.19	61.47	75.44	67.74
LSTM^ct+pt	70.54	71.19	70.80	64.65	74.06	74.35
LSTM^ct + LSTM^pt	70.89	67.95	69.39	64.94	68.03	66.45
LSTM^conditional	76.08	76.53	76.30	72.93	72.44	72.68
LSTM^ct_{a_s}	76.00	73.18	74.56	70.52	73.52	71.90
LSTM^{ct_{a_s}+pt_{a_s}}	70.44	67.28	68.82	72.52	75.36	73.91
LSTM^ct_{a_s} + LSTM^pt_{a_s}	77.25	75.51	76.36	72.65	74.52	73.57
LSTM^ct_{a_s} + LSTM^{last_pt_{a_s}}	73.10	69.69	71.36	74.58	77.62	76.07
LSTM^ct_{a_w} + LSTM^pt_{a_w}	76.74	69.77	73.09	68.63	75.77	72.02
LSTM^ct_{a_w+s} + LSTM^pt_{a_w+s}	76.42	71.37	73.81	69.50	74.77	72.04

Experiment	S			NS
Experiment	P	R	F1	P	R	F1
disc_bl^ct	64.20	64.95	64.57	69.0	68.30	68.70
disc_bl^ct+pt	65.64	65.86	65.75	70.11	69.91	70.00
tf-idf_bl^ct	63.16	67.94	65.46	70.04	65.41	67.64
tf-idf_bl^ct+pt	65.54	72.86	69.01	73.75	66.57	69.98
LSTM^ct	73.25	58.72	65.19	61.47	75.44	67.74
LSTM^ct+pt	70.54	71.19	70.80	64.65	74.06	74.35
LSTM^ct + LSTM^pt	70.89	67.95	69.39	64.94	68.03	66.45
LSTM^conditional	76.08	76.53	76.30	72.93	72.44	72.68
LSTM^ct_{a_s}	76.00	73.18	74.56	70.52	73.52	71.90
LSTM^{ct_{a_s}+pt_{a_s}}	70.44	67.28	68.82	72.52	75.36	73.91
LSTM^ct_{a_s} + LSTM^pt_{a_s}	77.25	75.51	76.36	72.65	74.52	73.57
LSTM^ct_{a_s} + LSTM^{last_pt_{a_s}}	73.10	69.69	71.36	74.58	77.62	76.07
LSTM^ct_{a_w} + LSTM^pt_{a_w}	76.74	69.77	73.09	68.63	75.77	72.02
LSTM^ct_{a_w+s} + LSTM^pt_{a_w+s}	76.42	71.37	73.81	69.50	74.77	72.04