JFLEG: A Fluency Corpus and Benchmark for Grammatical Error Correction
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Abstract (arXiv)
We present a new parallel corpus, JHU FLuency-Extended GUG corpus (JFLEG) for developing and evaluating grammatical error correction (GEC). Unlike other corpora, it represents a broad range of language proficiency levels and uses holistic fluency edits to not only correct grammatical errors but also make the original text more native sounding. We describe the types of corrections made and benchmark four leading GEC systems on this corpus, identifying specific areas in which they do well and how they can improve. JFLEG fulfills the need for a new gold standard to properly assess the current state of GEC.
Key facts. Cited by 96 papers in the map (data through 7 Oct 2026). First posted on arXiv 14 Feb 2017.
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Citing papers per year: 2021: 8; 2022: 20; 2023: 25; 2024: 16; 2025: 15; 2026: 12.
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- 2026Larger Context Window, Fewer Overcorrections: Optimizing Prompts and Batching for Minimal-Edit Grammatical Error Correction9 Sep 2026
- 2026Content Depth Matters in Short-Video Recommendation: Rethinking the Attention Economy14 Aug 2026
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