Table 3.
Statistics describing the manually annotated corpora
| Development | Test | |
|---|---|---|
| Total number of documents | 60 | 25 |
| Total database and software mentions | 2416 | 1479 |
| Total unique resource mentions | 401 | 301 |
| Percentage of database mentions | 36 % | 28 % |
| Percentage of unique database mentions | 27 % | 30 % |
| Average mentions per document | 40.3 | 70.0 |
| Average unique mentions per document | 8.1 | 13.4 |
| Maximum mentions in a single document | 227 | 217 |
| Maximum unique mentions in a single document | 57 | 55 |
| Resources with only a single lexicographic mention | 201 | 147 |