Table 2.

Result of the ensemble.

Ensemble	F1	PR	RC
Top 2	52.06	48.88	55.69
Top 3	53.80	73.21	42.52
Top 4	56.44	70.38	47.11
Top 5	56.91	67.17	49.37
Top 6	56.64	63.39	51.19
Top 7	55.21	57.60	53.02
Top 8	54.87	68.31	45.85
Top 9	54.81	67.57	46.10

F1, PR, RC stand for F1 score, precision and recall respectively. Evaluation was performed by the BioNLP shared task's approximate matching metric.