Table 2.

CDI subtask evaluation results of different runs with varied features.

	Development set			Testing set
Features	Pre	Rec	F-scr	Pre	Rec	F-scr
BANNER setup	82.83	78.71	80.72	85.36	85.29	85.32
Baseline	81.71	82.3	82	75.87	70.55	73.11
Baseline + Brown 300	82.2	82.96	82.58	86.03	85.45	85.74
Baseline + Brown 1000	81.96	83.24	82.59	86.04	85.60	85.82
Baseline + Brown 1000 + WVC 1000	82.73	83.89	83.31	86.23	85.37	85.8
Baseline + Brown 1000 + Brown 300	82.1	83.42	82.76	86.46	85.63	86.04
Baseline + Brown 1000 + WVC 300	82.43	83.82	83.12	86.06	86.06	86.06
Baseline + Brown 1000 + WVC 500	82.78	83.56	83.17	86.12	86.2	86.16
Baseline + Brown 1000 + WVC 500 + WVC 300	83.1	83.78	83.44	86.10	86.31	86.2
Baseline + Brown 1000 + WVC 500 + WVC 1000	82.78	83.76	83.27	86.19	86.4	86.28
Baseline + Brown 1000 + WVC 500 + WVC 300 + WVC 1000	82.3	84.05	83.16	86.47	86.47	86.47

Feature groups are separated by (+). The parameters followed Brown and WVC are the number of classes induced in each model. Pre: Precision, Rec: Recall, F-scr: F-score.