Table 1 ACT data overview
Data set | Tot. articles | PPI | not PPI | Perc. PPI | Years | Journals |
|---|---|---|---|---|---|---|
Training | 2,280 | 1,140 | 1,140 | 50% | 2007-2010 | 118 |
Development | 4,000 | 682 | 3,318 | 17.05% | 2009-2010 | 113 |
Test | 6,000 | 910 | 5,090 | 15.00% | 2009-2010 | 112 |
Total | 12,280 | 2,732 | 9,548 | - | 2007-2010 | 121 |