Table 4

Performance by feature set, non-syntactic features.

Relation

Metric

tok6+ atype

+dir

+dist

+str

+pos

+inter

+event

allgen

notok


has_finding

P

44

49

58

63

62

64

65

63

63

R

39

63

78

80

80

81

81

82

82

F1

39

54

66

70

69

71

72

71

71


has_indication

P

37

23

38

42

40

41

42

37

44

R

14

14

46

44

44

47

47

45

47

F1

18

16

39

39

38

41

42

38

41


has_location

P

36

36

50

68

71

72

72

73

73

R

28

28

74

79

79

81

81

83

83

F1

30

30

58

72

74

76

75

77

76


has_target

P

9

9

32

63

57

60

62

60

59

R

11

11

51

68

67

67

66

68

68

F1

9

9

38

64

60

63

63

63

62


laterality_modifies

P

21

38

73

84

83

84

84

86

86

R

9

55

82

89

86

88

88

87

89

F1

12

44

76

85

83

84

84

84

85


negation_modifies

P

19

54

85

81

80

79

79

77

81

R

12

82

97

98

93

92

93

93

93

F1

13

63

89

88

85

84

85

83

85


sub_location_modifies

P

2

2

55

88

86

86

88

88

87

R

1

1

62

94

92

95

95

95

95

F1

1

1

56

90

86

89

91

91

90


Overall

P

33

38

50

63

62

64

65

64

64

R

22

36

70

74

73

75

75

76

76

F1

26

37

58

68

67

69

69

69

70


Variation in performance by feature set, non-syntactic features. Features sets are abbreviated as in Table 3. For the first seven columns, features were added cumulatively to each other. The next two columns, allgen and notok, are as described in Table 3.

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

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