Challenge: generative LLMs have been known for overcorrection where results obtain higher recall measures than precision measures.
Approach: They propose to use generative LLMs to prompt grammatical error correction using a model based on language proficiency to examine the interaction between LLM's performance and L2 language proficiency.
Outcome: The proposed model improves on zero-shot and few-shot prompting and fine-tuning models for grammatical error correction for learners of English as a foreign language based on the different proficiency levels.

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Prompting open-source and commercial language models for grammatical error correction of English learner text (2024.findings-acl)

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Challenge: Recent advances in generative AI have enabled us to prompt large language models (LLMs) to produce texts which are fluent and grammatical.
Approach: They evaluate model performance by measuring their performance on established benchmarks.
Outcome: The proposed models outperform supervised English GEC models on fluency correction benchmarks and commercial LLMs on edit benchmarks.
Leveraging What’s Overfixed: Post-Correction via LLM Grammatical Error Overcorrection (2025.emnlp-main)

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Challenge: Existing methods to reduce overcorrection often result in significantly decreased recall, limiting the usability of correction systems.
Approach: They propose a novel approach that leverages the strengths of large language models to balance recall and precision by triggering overcorrection via LLMs and fine-tuning smaller models to identify and refine erroneous outputs.
Outcome: The proposed approach maximizes recall and precision by leveraging the generative power of LLMs while preserving the reliability of smaller supervised models.
GEE! Grammar Error Explanation with Large Language Models (2024.findings-naacl)

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Challenge: Existing grammatical error correction tools do not provide natural language explanations of errors . a system needs to provide one-sentence explanations for each grammamatical errors in a pair of erroneous and corrected sentences.
Approach: They propose a grammar error explanation task that uses one-sentence explanations for each grammatical error in a pair of erroneous and corrected sentences.
Outcome: The proposed pipeline identifies grammar errors in German, Chinese, and English . human evaluation reveals that 93.9% of German errors, 96.4% of Chinese errors, and 92.20% of English errors are correctly detected and explained.
Revisiting Automated Prompting: Are We Actually Doing Better? (2023.acl-short)

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Challenge: Recent work demonstrates that Large Language Models are great few-shot learners, and prompting significantly increases their performance on a range of downstream tasks.
Approach: They revisit techniques for automated prompting on six different downstream tasks and a larger range of K-shot learning settings.
Outcome: The proposed approach outperforms manual prompting on six different downstream tasks and a larger range of K-shot learning settings.
Targeted Syntactic Evaluation for Grammatical Error Correction (2025.acl-long)

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Challenge: Existing evaluation datasets based on learner-produced texts are insufficient for evaluating models . Currently, sequence-to-sequence models and sequence tagging models perform well on beginner-level grammar items .
Approach: They propose a new evaluation paradigm that assesses GEC models using minimal pairs of ungrammatical and grammatically paired sentences for each grammar item.
Outcome: The proposed evaluation paradigm assesses models using minimal pairs of ungrammatical and grammatically-spaced sentences for each grammar item.
Cutting Down on Prompts and Parameters: Simple Few-Shot Learning with Language Models (2022.findings-acl)

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Challenge: Prompting language models (LMs) with training examples and task descriptions has been seen as critical to recent successes in few-shot learning.
Approach: They propose to fine tune masked language models with training examples and task descriptions to reduce prompt engineering by using null prompts.
Outcome: The proposed prompts can be used to improve few-shot learning by finetuning only the bias terms while updating only 0.1% of the parameters.
GPT-3.5 for Grammatical Error Correction (2024.lrec-main)

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Challenge: Recent work shows that GPT-3.5 struggles with several error types, including punctuation mistakes, tense errors, syntactic dependencies between words, and lexical compatibility at the sentence level.
Approach: They evaluate GPT-3.5 for grammatical error correction in multiple languages . they use it to re-rank correction hypotheses generated by other GEC models .
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No One Fits All: From Fixed Prompting to Learned Routing in Multilingual LLMs (2026.findings-acl)

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Challenge: Existing studies show that translation-based prompting is not universally optimal for multilingual LLMs.
Approach: They evaluate translation-based prompting across ten languages and four benchmarks . they propose a lightweight classifier that predicts whether native or translation- based prompts are optimal .
Outcome: The proposed classifiers achieve statistically significant improvements over fixed prompting strategies across ten languages and four benchmarks.
Over-Generation and Compaction: A Prompting Strategy for Procedural Text Adaptation with Large Language Models (2025.findings-emnlp)

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Challenge: Existing prompting strategies for large language models often yield superficial or erroneous adaptations due to alignmentinduced biases and the inherent complexity of procedural editing.
Approach: They propose an overgenerationandcompaction prompting strategy that leverages the model’s latent knowledge and compacts them into concise, coherent adaptations.
Outcome: The proposed approach improves adaptation consistency and feasibility compared to baseline prompting methods without additional fine-tuning or curated training resources.
Explanation based In-Context Demonstrations Retrieval for Multilingual Grammatical Error Correction (2025.naacl-long)

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Challenge: Grammatical error correction (GEC) aims to correct grammatical, spelling, and semantic errors in natural language text.
Approach: They propose a retrieval method based on natural language grammatical error explanations to match inputs with pre-constructed databases where explanations for erroneous samples are generated by LLMs.
Outcome: The proposed method outperforms existing semantic and BM25-based retrieval techniques without additional training or language adaptation.

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