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WI-LOCNESS (Cambridge English Write & Improve & LOCNESS)

Introduced by Christopher Bryant et al. in The BEA-2019 Shared Task on Grammatical Error Correction archive 2025-07-28

WI-LOCNESS is part of the Building Educational Applications 2019 Shared Task for Grammatical Error Correction. It consists of two datasets:

  • LOCNESS: is a corpus consisting of essays written by native English students.
  • Cambridge English Write & Improve (W&I): Write & Improve (Yannakoudakis et al., 2018) is an online web platform that assists non-native English students with their writing. Specifically, students from around the world submit letters, stories, articles and essays in response to various prompts, and the W&I system provides instant feedback. Since W&I went live in 2014, W&I annotators have manually annotated some of these submissions and assigned them a CEFR level.

Source: The BEA-2019 Shared Task on Grammatical Error Correction

Image source: WI-LOCNESS

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
Grammatical Error Correction BEA-2019 (test) Majority-voting ensemble on best 7 models F0.5 81.4 Pillars of Grammatical Error Correction: Comprehensive... grammarly/pillars-of-gec 19 Compare
Grammatical Error Correction WI-LOCNESS RedPenNet F0.5 77.60 RedPenNet for Grammatical Error Correction: Outputs to... webspellchecker/unlp-2023-shared-task 1 Compare

Papers archive 2025-07-28

18 shown of 18 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 29. 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
Efficient and Interpretable Grammatical Error Correction with Mixture of Experts 1 1 30 Oct 2024 not harvested
Pillars of Grammatical Error Correction: Comprehensive Inspection Of Contemporary Approaches In The Era of Large Language Models 1 1 23 Apr 2024 not harvested
Unsupervised Grammatical Error Correction Rivaling Supervised Methods 1 1 6 Dec 2023 not harvested
System Combination via Quality Estimation for Grammatical Error Correction 1 1 23 Oct 2023 not harvested
Improving Seq2Seq Grammatical Error Correction via Decoding Interventions 1 1 23 Oct 2023 not harvested
RedPenNet for Grammatical Error Correction: Outputs to Tokens, Attentions to Spans 1 2 19 Sep 2023 not harvested
Frustratingly Easy System Combination for Grammatical Error Correction 1 1 1 Jul 2022 not harvested
Ensembling and Knowledge Distilling of Large Sequence Taggers for Grammatical Error Correction 1 1 24 Mar 2022 not harvested
Improved grammatical error correction by ranking elementary edits 1 1 16 Nov 2021 not harvested
LM-Critic: Language Models for Unsupervised Grammatical Error Correction 3 1 14 Sep 2021 not harvested
Neural Quality Estimation with Multiple Hypotheses for Grammatical Error Correction 1 1 10 May 2021 not harvested
GECToR -- Grammatical Error Correction: Tag, Not Rewrite 3 2 26 May 2020 ran 2 of 12 samples (10 unverified)
Encoder-Decoder Models Can Benefit from Pre-trained Masked Language Models in Grammatical Error Correction 1 1 3 May 2020 not harvested
An Empirical Study of Incorporating Pseudo Data into Grammatical Error Correction 1 1 2 Sep 2019 ran 3 of 3 samples (0 unverified)
The LAIX Systems in the BEA-2019 GEC Shared Task 0 1 1 Aug 2019 not harvested
Neural Grammatical Error Correction Systems with Unsupervised Pre-training on Synthetic Data 1 1 1 Aug 2019 not harvested
A Neural Grammatical Error Correction System Built On Better Pre-training and Sequential Transfer Learning 2 1 2 Jul 2019 not harvested
Learning to combine Grammatical Error Corrections 1 1 10 Jun 2019 not harvested

Dataset loaders archive 2025-07-28

huggingface.co/datasets/bea2019st/wi_locnesshuggingface/datasetstfpytorchjax
huggingface.co/datasets/wi_locnesshuggingface/datasetstfpytorchjax

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

Tasks archive 2025-07-28

Grammatical Error CorrectionVariational Inference

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

Texts

Languages archive 2025-07-28

English

Variants archive 2025-07-28

  • BEA-2019 (test)
  • WI-LOCNESS

2 variant names, as the archive lists them.

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