Table 1.

Performance for Webpage Type Classification, Key Sentence Extraction, and Keyword Extraction, Marco-averaged F₁ is .98, .48, .81, respectively.

(a)	P	R	F
Abstract	.95	.98	.97
Full text	.94	.97	.96
Others	.99	.98	.99

(b)	P	R	F
Patient	.70	.24	.36
Intervention	.78	.56	.65
Result	.90	.28	.43
Study Design	.89	.39	.54
Research Goal	.92	.27	.43

(c)	P	R	F
Sex	.98	1	.99
Condition	.76	.63	.69
Race	.92	.86	.89
Age	.85	.78	.81
Intervention	.74	.58	.65
Study Design	.87	.73	.80