From: Investigating heterogeneous protein annotations toward cross-corpora utilization
 |  | AIMed | GENETAG | GENIA |
---|---|---|---|---|
Size | abstracts | 225 | Â | 1,999 |
 | sentences | 1,987 | 10,000 | 18,554 |
Entity | scope | human P/G | P/G/R | human P/G/R |
 | number | 4,075 | 11,739 | 34,264(P)/10,002(G)/944(R) |
 | coverage | specific occurrence | specific occurrence | all occurrences |
 | type | no | no | Ontology |
 |  |  |  | 7 types(P)/5 types(G)/5 types(R) |