Table 1 Number of instances for each subtype of CEMP and CHEMDNER corpus
From: LSTMVoter: chemical named entity recognition using a conglomerate of sequence labeling tools
| Annotation | CEMP | CHEMDNER |
|---|---|---|
| Abbreviation | 1373 | 9059 |
| Family | 36,238 | 8313 |
| Formula | 6818 | 8585 |
| Identifier | 278 | 1311 |
| Multiple | 418 | 390 |
| Systematic | 28,580 | 13,472 |
| Trivial | 25,927 | 17,802 |
| No class | 0 | 72 |
| Total count | 99,632 | 59,004 |