Table 4.

i2b2 Evaluation and Relaxed Evaluation Comparison Between Our Method and the i2b2 Top Performing Systems (RI-TIMEX only)

	Extraction Recall	Value Accuracy	Value Recall
i2b2 Evaluation Method
i2b2 Avg	86.07	32.04	27.64
i2b2 top score	92.31	34.62	31.96
Our result	90.17	37.47	33.79
Relaxed Evaluation Method
i2b2 Avg	86.07	43.54	37.51
i2b2 top score	92.31	45.42	41.93
Our result	90.17	53.77	48.48