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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