Table 5

Performance by feature set, syntactic features.

Relation

Metric

+event

+dep

+syndist


has_finding

P

65

73

74

R

81

77

77

F1

72

71

74


has_indication

P

42

42

43

R

47

37

37

F1

42

38

39


has_location

P

72

74

73

R

81

86

86

F1

75

79

78


has_target

P

62

65

71

R

66

63

66

F1

63

62

64


laterality_modifies

P

84

89

89

R

88

84

90

F1

84

85

89


negation_modifies

P

79

85

85

R

93

97

93

F1

85

90

88


sub_location_modifies

P

88

90

93

R

95

95

95

F1

91

92

94


Overall

P

65

71

71

R

75

74

74

F1

69

72

72


Variation in performance by feature set, syntactic features. The first column shows the cumulative +event system from Table 4. The next two columns show the effect of cumulatively adding syntactic features to this system. Syntactic features are as described in Table 3.

Roberts et al. BMC Bioinformatics 2008 9(Suppl 11):S3   doi:10.1186/1471-2105-9-S11-S3

Open Data