A Novel Feature Selection Strategy for Enhanced Biomedical Event Extraction Using the Turku System

Table 3

Score of features in trigger detection.

Feature ID	1	2	3	4	5	6
Feature name	Sentence feature	Main feature	Linear order feature	Content feature	Attached edge feature	Chain feature	Theoretical maximum	Theoretical minimum
AEE1 score	40.83	39.94	32.99	52.23	36.12	30.09	53.43	10.27
AEE2 score	10.80	10.82	8.99	14.16	9.80	8.43	20.52	3.28