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CoNLL++

Introduced by Zihan Wang et al. in CrossWeigh: Training Named Entity Tagger from Imperfect Annotations archive 2025-07-28

CoNLL++ is a corrected version of the CoNLL03 NER dataset where 5.38% of the test sentences have been fixed.

Source: CrossWeigh: Training Named Entity Tagger from Imperfect Annotations

HomepageBenchmarksPapers JSON

Benchmarks archive 2025-07-28

All 2 leaderboards whose dataset resolves to this page shown (sort by any header). "First row" is the archive's own first row at snapshot, in the archive's row order; nothing here re-ranks and metric direction is not asserted.

First row (archive order)PaperCode
Named Entity Recognition (NER) CoNLL++ LUKE + SubRegWeigh (K-means) F1 96.12 SubRegWeigh: Effective and Efficient Annotation Weighing... 4ldk/SubRegWeigh 11 Compare
Named Entity Recognition (NER) CoNLL03 UniNER-7B F1 93.3 UniversalNER: Targeted Distillation from Large Language... universal-ner/universal-ner +1 5 Compare

Papers archive 2025-07-28

11 shown of 11 papers with a leaderboard row on this dataset's benchmarks, newest first. The archive's own "papers using this dataset" list was never published, so this is the benchmark-backed subset; the archive's count for this dataset is 56. The Syntology column is from Syntology's graph (read 2026-09-24), stated per sample; it is not part of any archive number.

DateSamples run Syntology
SubRegWeigh: Effective and Efficient Annotation Weighing with Subword Regularization 1 2 10 Sep 2024 not harvested
Label Supervised LLaMA Finetuning 2 1 2 Oct 2023 not harvested
UniversalNER: Targeted Distillation from Large Language Models for Open Named Entity Recognition 2 1 7 Aug 2023 ran 5 of 12 samples (7 unverified)
DeepStruct: Pretraining of Language Models for Structure Prediction 1 3 21 May 2022 ran 7 of 13 samples (6 unverified)
Improving Named Entity Recognition by External Context Retrieving and Cooperative Learning 3 1 8 May 2021 ran 0 of 4 samples (4 unverified)
Learning from Noisy Labels for Entity-Centric Information Extraction 1 2 17 Apr 2021 not harvested
LUKE: Deep Contextualized Entity Representations with Entity-aware Self-attention 9 1 2 Oct 2020 ran 3 of 10 samples (7 unverified)
CrossWeigh: Training Named Entity Tagger from Imperfect Annotations 1 2 3 Sep 2019 ran 4 of 4 samples (0 unverified)
Deep contextualized word representations 46 1 15 Feb 2018 ran 23 of 58 samples (35 unverified; 25 pointer-only for licence)
Neural Architectures for Named Entity Recognition 43 1 4 Mar 2016 ran 10 of 36 samples (26 unverified; 6 pointer-only for licence)
End-to-end Sequence Labeling via Bi-directional LSTM-CNNs-CRF 25 1 4 Mar 2016 ran 4 of 24 samples (20 unverified; 3 pointer-only for licence)

Dataset loaders archive 2025-07-28

huggingface.co/datasets/tomaarsen/conllpphuggingface/datasetstfpytorchjax
huggingface.co/datasets/ZihanWangKi/conllpphuggingface/datasetstfpytorchjax
huggingface.co/datasets/ncats/EpiSet4NERhuggingface/datasetstfpytorchjax
huggingface.co/datasets/conllpphuggingface/datasetstfpytorchjax
huggingface.co/datasets/schaffen/conllpphuggingface/datasetstfpytorchjax
huggingface.co/datasets/GregoireTR/output1huggingface/datasetstfpytorchjax
ZihanWangKi/CrossWeigh

7 loaders as listed in the archive; links are outbound and not re-checked here.

Tasks archive 2025-07-28

Named Entity Recognition (NER)Weakly-Supervised Named Entity Recognition

License archive 2025-07-28

No licence recorded in the archive. Absence here is not a statement about the dataset's terms.

Modalities archive 2025-07-28

No modality tagged.

Languages archive 2025-07-28

No language tagged.

Variants archive 2025-07-28

  • CoNLL03
  • CoNLL++
  • conllpp

3 variant names, as the archive lists them.

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