| PromptNER: Prompt Locating and Typing for Named Entity Recognition | ✓ Link | 88.72 | PromptNER [RoBERTa-large] | 2023-05-26 |
| Optimizing Bi-Encoder for Named Entity Recognition via Contrastive Learning | ✓ Link | 88.7 | BINDER | 2022-08-30 |
| Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named Entity Recognition | ✓ Link | 88.56 | Triaffine + ALBERT | 2021-10-14 |
| DiffusionNER: Boundary Diffusion for Named Entity Recognition | ✓ Link | 88.39 | DiffusionNER | 2023-05-22 |
| PromptNER: Prompt Locating and Typing for Named Entity Recognition | ✓ Link | 88.16 | PromptNER [BERT-large] | 2023-05-26 |
| Parallel Instance Query Network for Named Entity Recognition | ✓ Link | 88.14 | PIQN | 2022-03-20 |
| An Embarrassingly Easy but Strong Baseline for Nested Named Entity Recognition | ✓ Link | 88.03 | CNN-NER | 2022-08-09 |
| Boundary Smoothing for Named Entity Recognition | ✓ Link | 87.98 | Baseline + BS | 2022-04-26 |
| To be Continuous, or to be Discrete, Those are Bits of Questions | ✓ Link | 87.93 | Hashing | 2024-06-12 |
| Unified Named Entity Recognition as Word-Word Relation Classification | ✓ Link | 87.52 | W2NER | 2021-12-19 |
| Locate and Label: A Two-stage Identifier for Nested Named Entity Recognition | ✓ Link | 87.41 | Locate and Label | 2021-05-14 |
| Fusing Heterogeneous Factors with Triaffine Mechanism for Nested Named Entity Recognition | ✓ Link | 87.40 | Triaffine + BioBERT | 2021-10-14 |
| A Sequence-to-Set Network for Nested Named Entity Recognition | ✓ Link | 87.26 | Sequence-to-Set | 2021-05-19 |
| A Unified Generative Framework for Various NER Subtasks | ✓ Link | 86.84 | BARTNER | 2021-06-02 |
| Nested Named Entity Recognition with Partially-Observed TreeCRFs | ✓ Link | 86.6 | PO-TreeCRFs | 2020-12-15 |
| Nested Named Entity Recognition via Explicitly Excluding the Influence of the Best Path | ✓ Link | 86.42 | LogSumExpDecoder | 2021-08-01 |
| BoningKnife: Joint Entity Mention Detection and Typing for Nested NER via prior Boundary Knowledge | | 86.41 | BoningKnife | 2021-07-20 |
| Nested Named Entity Recognition via Second-best Sequence Learning and Decoding | ✓ Link | 85.82 | Second-best learning and decoding + BERT + Flair | 2019-09-05 |
| Nested Named Entity Recognition via Second-best Sequence Learning and Decoding | ✓ Link | 84.97 | Second-best learning and decoding + BERT | 2019-09-05 |
| Neural Architectures for Nested NER through Linearization | ✓ Link | 84.40 | seq2seq+BERT+Flair | 2019-08-19 |
| Multi-Grained Named Entity Recognition | ✓ Link | 79.5 | MGNER | 2019-06-20 |
| Nested Named Entity Recognition via Second-best Sequence Learning and Decoding | ✓ Link | 77.44 | Second-best learning and decoding | 2019-09-05 |
| Neural Segmental Hypergraphs for Overlapping Mention Recognition | ✓ Link | 75.1 | Neural segmental hypergraphs | 2018-10-03 |
| A Neural Transition-based Model for Nested Mention Recognition | ✓ Link | 73.3 | Neural transition-based model | 2018-10-03 |