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Table 7 Number of relevant documents in top 10 and 20 for each topic in the initial, 2nd-round, and 3rd-round search using highly relevant documents as gold standard (k = 30)

From: Integrating unified medical language system and association mining techniques into relevance feedback for biomedical literature search

Topic ID

Top 10 results

Top 20 results

Initial

2nd

3rd

Initial

2nd

3rd

1

7

10

10

14

20

20

2

1

2

2

2

4

4

3

4

7

8

8

13

14

4

1

6

6

1

6

7

5

1

2

2

1

2

2

6

5

5

5

12

13

13

7

10

10

10

18

19

19

8

6

6

6

10

11

12

12

1

2

2

1

3

3

13

1

1

1

2

2

2

14

0

N/A

N/A

1

2

2

15

9

10

10

19

20

20

16

3

3

3

6

8

9

17

2

3

3

2

4

4

18

0

N/A

N/A

1

2

2

19

6

9

9

12

19

20

MAP

0.605

0.842

0.866

0.467

0.728

0.731

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BMC Bioinformatics

ISSN: 1471-2105

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