Named Entity Recognition (NER) on Ontonotes v5 (English)

Metric: F1 (higher is better)

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#	Model↕	F1▼	Extra Data	Paper	Date↕	Code
1	BERT-MRC+DSC	92.07	Yes	Dice Loss for Data-imbalanced NLP Tasks	2019-11-07	Code
2	PL-Marker	91.9	No	Packed Levitated Marker for Entity and Relation ...	2021-09-13	Code
3	Baseline + BS	91.74	No	Boundary Smoothing for Named Entity Recognition	2022-04-26	Code
4	Biaffine-NER	91.3	No	Named Entity Recognition as Dependency Parsing	2020-05-14	Code
5	BERT-MRC	91.11	Yes	A Unified MRC Framework for Named Entity Recogni...	2019-10-25	Code
6	PIQN	90.96	No	Parallel Instance Query Network for Named Entity...	2022-03-20	Code
7	HGN	90.92	No	Hero-Gang Neural Model For Named Entity Recognit...	2022-05-15	Code
8	Syn-LSTM + BERT (wo doc-context)	90.85	No	Better Feature Integration for Named Entity Reco...	2021-04-12	Code
9	DiffusionNER	90.66	No	DiffusionNER: Boundary Diffusion for Named Entit...	2023-05-22	Code
10	W2NER	90.5	No	Unified Named Entity Recognition as Word-Word Re...	2021-12-19	Code
11	BARTNER	90.38	No	A Unified Generative Framework for Various NER S...	2021-06-02	Code
12	AESINER	90.32	No	Improving Named Entity Recognition with Attentiv...	2020-10-29	Code
13	Hierarchical + BERT	90.3	Yes	Hierarchical Contextualized Representation for N...	2019-11-06	Code
14	HSCRF + softdict	89.94	Yes	-	-	Code
15	DGLSTM-CRF + ELMo	89.88	Yes	Dependency-Guided LSTM-CRF for Named Entity Reco...	2019-09-23	Code
16	NuNER	89.1	No	NuNER: Entity Recognition Encoder Pre-training v...	2024-02-23	Code
17	Syn-LSTM (wo doc-context)	89.04	No	Better Feature Integration for Named Entity Reco...	2021-04-12	Code
18	CVT + Multi-Task + Large	88.81	No	Semi-Supervised Sequence Modeling with Cross-Vie...	2018-09-22	Code
19	DGLSTM-CRF (L=2)	88.52	No	Dependency-Guided LSTM-CRF for Named Entity Reco...	2019-09-23	Code
20	Att-BiLSTM-CNN	88.4	No	Why Attention? Analyze BiLSTM Deficiency and Its...	2019-08-29	Code
21	BiLSTM-LAN	88.16	No	Hierarchically-Refined Label Attention Network f...	2019-08-23	Code
22	Hierarchical	87.98	No	Hierarchical Contextualized Representation for N...	2019-11-06	Code
23	Bi-LSTM-CRF + Lexical Features	87.95	Yes	Robust Lexical Features for Improved Neural Netw...	2018-06-09	Code
24	GRN	87.67	No	GRN: Gated Relation Network to Enhance Convoluti...	2019-07-12	Code
25	BiLSTM-CRF	86.99	No	Fast and Accurate Entity Recognition with Iterat...	2017-02-07	Code
26	Iterated Dilated CNN	86.84	No	Fast and Accurate Entity Recognition with Iterat...	2017-02-07	Code
27	Chiu and Nichols (2016)	86.19	No	Named Entity Recognition with Bidirectional LSTM...	2015-11-26	Code
28	Joint Model	84.04	No	-	-	-