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Appendix A: Question Answering Run Statistics

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group: ITC-irst, Italy

task: Monolingual Italian Question Answering subtask: exact answers

Statistics over 200 questions in the file irstex031mi.txt This file is composed of 590 answers:

132 Right, 439 Wrong, 6 Unsupported and 13 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 103 (51.5%) Number of questions where at least one correct response was returned: 97 (48.5%)

Mean reciprocal rank : 0.4225

Statistics (lenient):

Number of questions where no correct responses were returned: 99 (49.5%) Number of questions where at least one correct response was returned: 101 (50.5%)

Mean reciprocal rank : 0.4425

Number of questions for which `NIL' was returned as a response : 4 Number of questions for which `NIL' was correctly returned : 2

run irstex031mi

103

13 9 75

99

9 13

79

50

100

150

200

(2)

group: ITC-irst, Italy

task: Monolingual Italian Question Answering subtask: 50 bytes long answers

Statistics over 200 questions in the file irstst032mi.txt This file is composed of 582 answers:

153 Right, 410 Wrong, 7 Unsupported and 12 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 101 (50.5%) Number of questions where at least one correct response was returned: 99 (49.5%) Mean reciprocal rank : 0.449166666666667

Statistics (lenient):

Number of questions where no correct responses were returned: 96 (48%) Number of questions where at least one correct response was returned: 104 (52%) Mean reciprocal rank : 0.471666666666667

Number of questions for which `NIL' was returned as a response : 5 Number of questions for which `NIL' was correctly returned : 2

run irstst032mi

101

9 7 83

96

10 7 87

50

100

150

200

(3)

group: University of Alicante, Spain

task: Monolingual Spanish Question Answering subtask: exact answers

Statistics over 200 questions in the file alicex031ms.txt This file is composed of 547 answers:

91 Right, 437 Wrong, 9 Unsupported and 10 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 120 (60%) Number of questions where at least one correct response was returned: 80 (40%)

Mean reciprocal rank : 0.3075

Statistics (lenient):

Number of questions where no correct responses were returned: 113 (56.5%) Number of questions where at least one correct response was returned: 87 (43.5%) Mean reciprocal rank : 0.320833333333333

Number of questions for which `NIL' was returned as a response : 21 Number of questions for which `NIL' was correctly returned : 5

run alicex031ms

120

13 18 49

113

15 23 49

0

50

100

150

200

(4)

group: University of Alicante, Spain

task: Monolingual Spanish Question Answering subtask: exact answers

Statistics over 200 questions in the file alicex032ms.txt This file is composed of 546 answers:

79 Right, 448 Wrong, 9 Unsupported and 10 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 130 (65%) Number of questions where at least one correct response was returned: 70 (35%) Mean reciprocal rank : 0.296666666666667

Statistics (lenient):

Number of questions where no correct responses were returned: 123 (61.5%) Number of questions where at least one correct response was returned: 77 (38.5%)

Mean reciprocal rank : 0.3175

Number of questions for which `NIL' was returned as a response : 21 Number of questions for which `NIL' was correctly returned : 5

run alicex032ms

130

12 51

123

15 53

50

100

150

200

(5)

group: University of Amsterdam, The Netherlands task: Monolingual Dutch Question Answering

subtask: exact answers

Statistics over 200 questions in file uamsex031md.txt.

This file is composed of 600 answers:

84 Right, 492 Wrong, 6 Unsupported and 18 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 122 (61%) Number of questions where at least one correct response was returned: 78 (39%) Mean reciprocal rank : 0.298333333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 118 (59%) Number of questions where at least one correct response was returned: 82 (41%)

Mean reciprocal rank : 0.3175

Number of questions for which `NIL' was returned as a response : 200 Number of questions for which `NIL' was correctly returned : 17

run uamsex031md

122

14 17 47

118

17 15 50

50

100

150

200

(6)

group: University of Amsterdam, The Netherlands task: Monolingual Dutch Question Answering

subtask: exact answers

Statistics over 200 questions in file uamsex032md.txt.

This file is composed of 600 answers:

85 Right, 488 Wrong, 11 Unsupported and 16 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 118 (59%) Number of questions where at least one correct response was returned: 82 (41%) Mean reciprocal rank : 0.305833333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 111 (55.5%) Number of questions where at least one correct response was returned: 89 (44.5%) Mean reciprocal rank : 0.335833333333333

Number of questions for which `NIL' was returned as a response : 200 Number of questions for which `NIL' was correctly returned : 17

run uamsex032md

118

19 17 46

111

14 25

50

50

100

150

200

(7)

group: DFKI, Germany

task: Bilingual German Question Answering subtask: 50 bytes long answers

Statistics over 200 questions in the file dfkist031bg.txt This file is composed of 564 answers:

41 Right, 522 Wrong, 1 Unsupported and 0 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 171 (85.5%) Number of questions where at least one correct response was returned: 29 (14.5%) Mean reciprocal rank : 0.0983333333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 170 (85%) Number of questions where at least one correct response was returned: 30 (15%) Mean reciprocal rank : 0.103333333333333

Number of questions for which `NIL' was returned as a response : 18 Number of questions for which `NIL' was correctly returned : 0

run dfkist031bg

171

8 8 13

170

8 8 14

0

50

100

150

200

(8)

group: ITC-irst, Italy

task: Bilingual Italian Question Answering subtask: exact answers

Statistics over 200 questions in the file irstex031bi.txt This file is composed of 492 answers:

94 Right, 378 Wrong, 6 Unsupported and 14 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 123 (61.5%) Number of questions where at least one correct response was returned: 77 (38.5%)

Mean reciprocal rank : 0.3225

Statistics (lenient):

Number of questions where no correct responses were returned: 119 (59.5%) Number of questions where at least one correct response was returned: 81 (40.5%) Mean reciprocal rank : 0.334166666666667

Number of questions for which `NIL' was returned as a response : 49 Number of questions for which `NIL' was correctly returned : 6

run irstex031bi

123

13 9 55

119

15 10 56

50

100

150

200

(9)

group: ITC-irst, Italy

task: Bilingual Italian Question Answering subtask: exact answers

Statistics over 200 questions in the file irstex032bi.txt This file is composed of 526 answers:

113 Right, 402 Wrong, 2 Unsupported and 9 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 110 (55%) Number of questions where at least one correct response was returned: 90 (45%) Mean reciprocal rank : 0.393333333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 108 (54%) Number of questions where at least one correct response was returned: 92 (46%) Mean reciprocal rank : 0.400833333333333

Number of questions for which `NIL' was returned as a response : 28 Number of questions for which `NIL' was correctly returned : 5

run irstex032bi

110

12 8 70

108

13 8 71

0

50

100

150

200

(10)

group: University of Limerick, Ireland task: Bilingual French Question Answering subtask: exact answers

Statistics over 200 questions in the file dltgex031bf.txt This file is composed of 200 answers:

23 Right, 175 Wrong, 1 Unsupported and 1 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 177 (88.5%) Number of questions where at least one correct response was returned: 23 (11.5%) Mean reciprocal rank : 0.115

Statistics (lenient):

Number of questions where no correct responses were returned: 176 (88%) Number of questions where at least one correct response was returned: 24 (12%)

Mean reciprocal rank : 0.12

Number of questions for which `NIL' was returned as a response : 119 Number of questions for which `NIL' was correctly returned : 10

run dltgex031bf

177

23

176

24

50

100

150

200

(11)

group: University of Limerick, Ireland task: Bilingual French Question Answering subtask: exact answers

Statistics over 200 questions in the file dltgex032bf.txt This file is composed of 200 answers:

22 Right, 175 Wrong, 1 Unsupported and 2 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 178 (89%) Number of questions where at least one correct response was returned: 22 (11%)

Mean reciprocal rank : 0.11

Statistics (lenient):

Number of questions where no correct responses were returned: 177 (88.5%) Number of questions where at least one correct response was returned: 23 (11.5%)

Mean reciprocal rank : 0.115

Number of questions for which `NIL' was returned as a response : 119 Number of questions for which `NIL' was correctly returned : 10

run dltgex032bf

178

0 0 22

177

0 0 23

0

50

100

150

200

(12)

group: ISI, University of Southern California, USA task: Bilingual Spanish Question Answering

subtask: exact answers

Statistics over 200 questions in the file isixex031bs.txt This file is composed of 586 answers:

87 Right, 476 Wrong, 15 Unsupported and 8 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 131 (65.5%) Number of questions where at least one correct response was returned: 69 (34.5%) Mean reciprocal rank : 0.3025

Statistics (lenient):

Number of questions where no correct responses were returned: 123 (61.5%) Number of questions where at least one correct response was returned: 77 (38.5%) Mean reciprocal rank : 0.32833333333333

Number of questions for which `NIL' was returned as a response : 4 Number of questions for which `NIL' was correctly returned : 0

run isixex031bs

131

3 13

53

123

5 16

56

50

100

150

200

(13)

group: ISI, University of Southern California, USA task: Bilingual Spanish Question Answering

subtask: exact answers

Statistics over 200 questions in the file isixex032bs.txt This file is composed of 586 answers:

85 Right, 478 Wrong, 13 Unsupported and 10 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 132 (66%) Number of questions where at least one correct response was returned: 68 (34%) Mean reciprocal rank : 0.27166666666667

Statistics (lenient):

Number of questions where no correct responses were returned: 122 (61%) Number of questions where at least one correct response was returned: 78 (39%)

Mean reciprocal rank : 0.3075

Number of questions for which `NIL' was returned as a response : 4 Number of questions for which `NIL' was correctly returned : 0

run isixex032bs

132

7 18

43

122

9 21

50

48

100

150

200

(14)

group: Carnegie Mellon University, USA task: Bilingual French Question Answering subtask: exact answers

Statistics over 200 questions in the file lumoex031bf.txt This file is composed of 414 answers:

41 Right, 366 Wrong, 6 Unsupported and 1 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 162 (81%) Number of questions where at least one correct response was returned: 38 (19%) Mean reciprocal rank : 0.153333333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 158 (79%) Number of questions where at least one correct response was returned: 42 (21%) Mean reciprocal rank : 0.170833333333333

Number of questions for which `NIL' was returned as a response : 92 Number of questions for which `NIL' was correctly returned : 8

run lumoex031bf

162

25

158

9 28

50

100

150

200

(15)

group: Carnegie Mellon University, USA task: Bilingual French Question Answering subtask: exact answers

Statistics over 200 questions in the file lumoex032bf.txt This file is composed of 416 answers:

34 Right, 375 Wrong, 6 Unsupported and 1 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 169 (84.5%) Number of questions where at least one correct response was returned: 31 (15.5%) Mean reciprocal rank : 0.13166666666666667

Statistics (lenient):

Number of questions where no correct responses were returned: 165 (82.5%) Number of questions where at least one correct response was returned: 35 (17.5%) Mean reciprocal rank : 0.14916666666666667

Number of questions for which `NIL' was returned as a response : 91 Number of questions for which `NIL' was correctly returned : 7

run lumoex032bf

169

1 8

22

165

1 9

25

50

100

150

200

(16)

group: University of Montreal, Canada task: Bilingual French Question Answering subtask: 50 bytes long answers

Statistics over 200 questions in the file udemst031bf.txt This file is composed of 599 answers:

65 Right, 532 Wrong, 2 Unsupported and 0 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 144 (72%) Number of questions where at least one correct response was returned: 56 (28%) Mean reciprocal rank : 0.2133333333333333

Statistics (lenient):

Number of questions where no correct responses were returned: 142 (71%) Number of questions where at least one correct response was returned: 58 (29%) Mean reciprocal rank : 0.2208333333333333

Number of questions for which `NIL' was returned as a response : 4 Number of questions for which `NIL' was correctly returned : 1

run udemst031bf

144

8 16

32

142

8 17

33

50

100

150

200

(17)

group: University of Montreal, Canada task: Bilingual French Question Answering subtask: exact answers

Statistics over 200 questions in the file udemex032bf.txt This file is composed of 599 answers:

39 Right, 539 Wrong, 5 Unsupported and 16 ineXact.

Statistics (strict):

Number of questions where no correct responses were returned: 162 (81%) Number of questions where at least one correct response was returned: 38 (19%)

Mean reciprocal rank : 0.14

Statistics (lenient):

Number of questions where no correct responses were returned: 158 (79%) Number of questions where at least one correct response was returned: 42 (21%) Mean reciprocal rank : 0.16083333333333333

Number of questions for which `NIL' was returned as a response : 3 Number of questions for which `NIL' was correctly returned : 1

run udemex032bf

162

12 6 20

158

6 13

23

50

100

150

200

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