| SpanModel + SequenceLabelingModel | 78.3 | Comparing and combining some popular NER approaches on Biomedical tasks | |
| Second-best learning and decoding + BERT + Flair | 77.36 | Nested Named Entity Recognition via Second-best Sequence Learning and Decoding | |
| Second-best learning and decoding + BERT | 77.05 | Nested Named Entity Recognition via Second-best Sequence Learning and Decoding | |