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Table 1 Description of test datasets sourced from AHRQ.

From: Boolean versus ranked querying for biomedical systematic reviews

 

Drug Dataset

Misc Dataset

Review

Tier 0

Tier 1

Tier 2

Tier 0

Tier 1

Tier 2

1

2,544

183

41

616

38

12

2

851

84

20

1,733

273

92

3

310

92

16

32,308

421

198

4

1,120

363

146

4,949

413

83

5

2,072

302

42

10

508

104

6

1,218

279

100

505

130

34

7

368

80

80

1,261

1,103

440

8

393

88

41

14,935

796

65

9

1,915

48

15

10

329

21

10

503

139

136

243

535

121

11

1,333

238

51

1,235

2,329

365

12

1,643

34

9

682

158

77

13

3,465

173

85

   

14

671

218

24

   

15

327

78

40

   

Avg.

1248.5

159.3

56.4

4537.2

604.2

138.2

  1. The number of relevant documents per query in each tier is listed. For Drug Dataset Tier 0 represents original sets of documents found by Boolean queries. Tier 0 statistics for Misc Dataset are based on Boolean queries executed by us on OVID, and does not represent the original set that the reviewers have seen.
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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