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Dataset split sizes and sub-task structure for the three fine-grained classification tasks on which we evaluate MeTaL.
| # Train | #Dev | # Test | Tree Depth | # Tasks | # Sources/Task | |
|---|---|---|---|---|---|---|
| OntoNotes (NER) | 62,547 | 350 | 345 | 2 | 3 | 11 |
| TACRED (RE) | 9,090 | 350 | 2174 | 3 | 7 | 9 |
| OpenI (Doc) | 2,630 | 200 | 378 | 2 | 3 | 19 |
