Named Entity Recognition (NER) on ACE 2005

Metric: F1 (higher is better)

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#	Model↕	F1▼	Extra Data	Paper	Date↕	Code
1	Ours: cross-sentence ALB	90.9	No	A Frustratingly Easy Approach for Entity and Rel...	2020-10-24	Code
2	GoLLIE	89.6	Yes	GoLLIE: Annotation Guidelines improve Zero-Shot ...	2023-10-05	Code
3	BINDER	89.5	No	Optimizing Bi-Encoder for Named Entity Recogniti...	2022-08-30	Code
4	Triaffine + ALBERT	88.83	No	Fusing Heterogeneous Factors with Triaffine Mech...	2021-10-14	Code
5	PromptNER [RoBERTa-large]	88.26	No	PromptNER: Prompt Locating and Typing for Named ...	2023-05-26	Code
6	PIQN	87.42	No	Parallel Instance Query Network for Named Entity...	2022-03-20	Code
7	PIQN	87.42	No	Parallel Instance Query Network for Named Entity...	2022-03-20	Code
8	CNN-NER	87.42	No	An Embarrassingly Easy but Strong Baseline for N...	2022-08-09	Code
9	PromptNER [BERT-large]	87.21	No	PromptNER: Prompt Locating and Typing for Named ...	2023-05-26	Code
10	Baseline + BS	87.15	No	Boundary Smoothing for Named Entity Recognition	2022-04-26	Code
11	Sequence-to-Set	87.05	No	A Sequence-to-Set Network for Nested Named Entit...	2021-05-19	Code
12	DiffusionNER	86.93	No	DiffusionNER: Boundary Diffusion for Named Entit...	2023-05-22	Code
13	BERT-MRC	86.88	Yes	A Unified MRC Framework for Named Entity Recogni...	2019-10-25	Code
14	Triaffine + BERT	86.82	No	Fusing Heterogeneous Factors with Triaffine Mech...	2021-10-14	Code
15	W2NER	86.79	No	Unified Named Entity Recognition as Word-Word Re...	2021-12-19	Code
16	UniNER-7B	86.69	No	UniversalNER: Targeted Distillation from Large L...	2023-08-07	Code
17	Locate and Label	86.67	No	Locate and Label: A Two-stage Identifier for Nes...	2021-05-14	Code
18	Locate and Label	86.67	No	Locate and Label: A Two-stage Identifier for Nes...	2021-05-14	Code
19	Hashing	85.9	No	To be Continuous, or to be Discrete, Those are B...	2024-06-12	Code
20	BoningKnife	85.46	No	BoningKnife: Joint Entity Mention Detection and ...	2021-07-20	-
21	BoningKnife	85.46	No	BoningKnife: Joint Entity Mention Detection and ...	2021-07-20	-
22	Biaffine-NER	85.4	No	Named Entity Recognition as Dependency Parsing	2020-05-14	Code
23	PO-TreeCRFs	85.4	No	Nested Named Entity Recognition with Partially-O...	2020-12-15	Code
24	LogSumExpDecoder	84.93	No	-	-	Code
25	BARTNER	84.74	No	A Unified Generative Framework for Various NER S...	2021-06-02	Code
26	Second-best learning and decoding	84.34	No	Nested Named Entity Recognition via Second-best ...	2019-09-05	Code
27	Second-best learning and decoding + BERT + Flair	84.34	Yes	Nested Named Entity Recognition via Second-best ...	2019-09-05	Code
28	seq2seq+BERT+Flair	84.33	No	Neural Architectures for Nested NER through Line...	2019-08-19	Code
29	seq2seq+BERT+Flair	84.33	No	Neural Architectures for Nested NER through Line...	2019-08-19	Code
30	Second-best learning and decoding + BERT	83.99	Yes	Nested Named Entity Recognition via Second-best ...	2019-09-05	Code
31	Merge and Label	82.4	No	Merge and Label: A novel neural network architec...	2019-06-30	Code
32	Merge and Label	82.4	Yes	Merge and Label: A novel neural network architec...	2019-06-30	Code
33	MGNER	78.2	No	Multi-Grained Named Entity Recognition	2019-06-20	Code
34	MGNER	78.2	Yes	Multi-Grained Named Entity Recognition	2019-06-20	Code
35	Second-best learning and decoding	76.83	No	Nested Named Entity Recognition via Second-best ...	2019-09-05	Code
36	Anchor-Region Networks	75.9	No	Sequence-to-Nuggets: Nested Entity Mention Detec...	2019-06-10	Code
37	BiFlaG	75.1	No	Bipartite Flat-Graph Network for Nested Named En...	2020-05-01	Code
38	BiFlaG	75.1	No	Bipartite Flat-Graph Network for Nested Named En...	2020-05-01	Code
39	Anchor-Region Networks	74.9	No	Sequence-to-Nuggets: Nested Entity Mention Detec...	2019-06-10	Code
40	Neural segmental hypergraphs	74.5	No	Neural Segmental Hypergraphs for Overlapping Men...	2018-10-03	Code
41	Neural segmental hypergraphs	74.5	No	Neural Segmental Hypergraphs for Overlapping Men...	2018-10-03	Code
42	Neural transition-based model	73	No	A Neural Transition-based Model for Nested Menti...	2018-10-03	Code
43	neural transition-based model	73	No	A Neural Transition-based Model for Nested Menti...	2018-10-03	Code
44	Neural layered model	72.2	No	-	-	Code
45	Neural layered model	72.2	No	-	-	Code