Table 4.

Results on Sub-category

	Rules			HMM-DP updated			HMM-DP+CRF
	P	R	F1	P	R	F1	P	R	F1
NAME (4829)	0.795	0.785	0.790	0.911	0.888	0.899	0.931	0.929	0.930
-PATIENT (1446)	0.984	0.520	0.681	0.907	0.828	0.866	0.915	0.909	0.912
-DOCTOR (3291)	0.758	0.911	0.827	0.913	0.914	0.913	0.939	0.938	0.938
-USERNAME (92)	0.860	0.467	0.606	0.922	0.902	0.912	0.922	0.902	0.912
PROFESSION (340)	0.716	0.297	0.420	0.825	0.553	0.662	0.847	0.650	0.735
LOCATION (3001)	0.576	0.541	0.558	0.935	0.777	0.849	0.946	0.844	0.892
-HOSPITAL (1595)	0.945	0.464	0.622	0.966	0.800	0.875	0.973	0.910	0.941
-CITY (344)	0.892	0.576	0.700	0.883	0.788	0.833	0.898	0.817	0.855
-STATE (205)	0.920	0.620	0.741	0.938	0.815	0.872	0.938	0.815	0.872
-STREET (416)	0.262	0.930	0.409	0.918	0.964	0.940	0.939	0.964	0.951
-ZIP (144)	1.000	0.618	0.764	1.000	0.833	0.909	1.000	0.833	0.909
-ORGANIZATION (147)	0.675	0.367	0.476	0.730	0.367	0.489	0.773	0.463	0.579
-COUNTRY (130)	1.000	0.231	0.375	0.741	0.331	0.457	0.741	0.331	0.457
-LOCATION-OTHER (20)	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000
AGE (790)	0.786	0.475	0.592	0.788	0.481	0.597	0.902	0.724	0.803
DATE (12518)	0.979	0.926	0.951	0.981	0.926	0.953	0.982	0.934	0.957
CONTACT (419)	0.948	0.862	0.903	0.956	0.883	0.918	0.956	0.883	0.918
-PHONE (410)	0.947	0.873	0.909	0.963	0.880	0.920	0.963	0.880	0.920
-FAX (6)	0.000	0.000	0.000	0.667	1.000	0.800	0.667	1.000	0.800
-EMAIL (3)	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
ID (1126)	0.671	0.623	0.646	0.926	0.820	0.870	0.926	0.820	0.870
-MEDICALRECORD (732)	0.983	0.567	0.719	0.972	0.852	0.908	0.972	0.852	0.908
-IDNUM (382)	0.459	0.749	0.569	0.839	0.762	0.798	0.839	0.762	0.798
-DEVICE (12)	0.000	0.000	0.000	1.000	0.667	0.800	1.000	0.667	0.800
TOTAL (23047)	0.864	0.804	0.833	0.951	0.871	0.909	0.959	0.902	0.930