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Papers Benchmarks Datasets Tasks

Nested Named Entity Recognition research benchmarks · SOTA2 Research

Nested Named Entity Recognition

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

ACE 2004 (test)

89.7F1 Score

166

Feb 26, 2026

ACE 2005 (test)

90F1 Score

153

Feb 26, 2026

81.53F1 Score

140

Feb 26, 2026

83.8F1 Score

56

Feb 26, 2026

86.9F1 Score

52

Feb 26, 2026

86.84F1 Score (%)

32

Feb 26, 2026

KBP English 2017 (test)

89.42Precision

28

Feb 26, 2026

93.85Precision

12

Feb 26, 2026

plasma physics NNER dataset (test)

Triaffine (Span-based Attention network)

73Precision

11

Feb 26, 2026

CNEC 1.0 (test)

seq2seq+BERT+Flair

86.88F1 Score

9

Feb 26, 2026

GENIA 3.02 (test)

0.805F1 Score

8

Feb 26, 2026

ACE 2005 8:1:1 split (test)

Sequence-to-Set Network

87.05F1 Score

8

Feb 26, 2026

NEREL Russian (test)

Full nested supervision

85.81Overall Micro F1

7

Mar 4, 2026

Chilean Waiting List

81Precision

7

Feb 26, 2026

ACE 8:1:1 2004 (test)

Sequence-to-Set Network

87.26F1 Score

6

Feb 26, 2026

English KBP 2017

82.33Precision

3

Feb 26, 2026

Nested NER as Latent Lexicalized Constituency Parsing

94.32Precision

2

Feb 26, 2026

Popular datasets

ACE GENIA NNE KBP CNEC

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