Table 2.
Data set | Number of abstracts | Number of sentences | Number of NEs in each class | Total number of NEs | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Systematic | Abbreviation | Family | Formula | Identifier | Multiple | Trivial | ||||
Train | 3500 | 30418 | 6656 | 4538 | 4090 | 4448 | 672 | 202 | 8832 | 29438 |
Development | 3500 | 30445 | 6816 | 4521 | 4223 | 4137 | 639 | 188 | 8970 | 29494 |
Test | 3000 | 8655 | 5666 | 4059 | 3622 | 3443 | 513 | 199 | 7808 | 25310 |