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Table 2 Number of articles for each test dataset in each batch

From: An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition

Week Batch 1 Batch 2 Batch 3
1 1,942 (1,553) 4,869 (3,414) 7,578 (2,616)
2 830 (726) 5,551 (3,802) 10,139 (3,918)
3 790 (761) 7,144 (3,983) 8,722 (2,969)
4 2,233 (586) 4,623 (2,360) 1,976 (1,318)
5 6,562 (5,165) 8,233 (3,310) 1,744 (1,209)
6 4,414 (3,530) 8,381 (3,156) 1,357 (696)
Total 16,763 (12,321) 38,801 (20,025) 31,570 (12,726)
  1. In parentheses the articles that have been annotated by the curators by the time of the Task 1a evaluation (September 2013).