| Training | Development |
---|
 | documents | 52 | 26 |
sim | chains | 252 | 169 |
 | mentions | 908 | 589 |
ana | chains | 45 | 25 |
 | mentions | 99 | 52 |
- Number of co-reference chains and of entity mentions linked by these chains in the training and development corpora. sim = Similarity-based co-reference resolution, ana = anaphora-based co-reference resolution