Datasets:
Tasks:
Translation
Modalities:
Text
Formats:
json
Size:
100K - 1M
ArXiv:
Tags:
machine-translation
masked-diffusion
diffusion-language-model
wmt
length-prediction
arxiv:2608.22274
License:
Align the card with the EMNLP 2026 camera-ready (entropy over L-1 slots, candidate formula, at-most-five probes, grid provenance, runs not seeds, author order)
Browse files
README.md
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@@ -98,9 +98,11 @@ Built from the HuggingFace `wmt19` corpus with `ladit/data/prepare_mt_data*.py`:
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- **En↔Zh** — `load_dataset("wmt19", "zh-en", split="train")`. Filter: `5 <= len(en.split()) <= 200` and `2 <= len(zh) <= 600` (English whitespace words, Chinese characters).
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- **En→De** — `load_dataset("wmt19", "de-en", split="train")`, shuffled with `seed=42` before iteration. Filter: `5 <= len(en.split()) <= 200` and `5 <= len(de.split()) <= 200`.
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After filtering, pairs are shuffled
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**Only single-side length filters are applied.** No language-ID classifier and no source–target length-ratio filter
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### Test sets
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## Licensing and Provenance
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These files are **derived subsets** of the public WMT19 training corpora and the public WMT22 News Translation test sets, redistributed here in a reformatted JSONL layout so that the paper's results are reproducible without re-running the sampling pipeline. They are **not** a new corpus, and no raw WMT distribution is mirrored in full.
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Use is subject to the original WMT terms, which permit use for machine-translation research. Source references:
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```bibtex
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@inproceedings{zhan2026lengthadaptive,
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title = {Length-Adaptive Decoding for Masked Diffusion Machine Translation},
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author = {Zhan, Yan and
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booktitle = {Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
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year = {2026}
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}
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- **En↔Zh** — `load_dataset("wmt19", "zh-en", split="train")`. Filter: `5 <= len(en.split()) <= 200` and `2 <= len(zh) <= 600` (English whitespace words, Chinese characters).
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| 99 |
- **En→De** — `load_dataset("wmt19", "de-en", split="train")`, shuffled with `seed=42` before iteration. Filter: `5 <= len(en.split()) <= 200` and `5 <= len(de.split()) <= 200`.
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After filtering, pairs are shuffled deterministically (`random.seed(42)` in the released scripts); the first 200,000 become the train split and the next 2,000 become the dev split.
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**Only single-side length filters are applied.** No language-ID classifier and no source–target length-ratio filter.
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**What the dev split is *not* used for.** The WMT19 development pairs are not used to set the reported EV ratio grids or any decoding hyperparameter. The grids reported in the paper are direction-specific and were informed by diagnostic range comparisons on WMT22 subsets; the WMT19 training-corpus medians (0.80 / 1.24 / 1.48) serve only as a reference scale. Once chosen, a grid is fixed and used for every sentence and every length method in that direction.
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### Test sets
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## Licensing and Provenance
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The paper's *Resource availability* paragraph (Appendix A) states that the processed experiment datasets and trained LoRA adapters are released here; this repository is that release.
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These files are **derived subsets** of the public WMT19 training corpora and the public WMT22 News Translation test sets, redistributed here in a reformatted JSONL layout so that the paper's results are reproducible without re-running the sampling pipeline. They are **not** a new corpus, and no raw WMT distribution is mirrored in full.
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Use is subject to the original WMT terms, which permit use for machine-translation research. Source references:
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```bibtex
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@inproceedings{zhan2026lengthadaptive,
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title = {Length-Adaptive Decoding for Masked Diffusion Machine Translation},
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author = {Zhan, Yan and Hou, Mengkai and Zhang, Wanting and Gao, Zhijun},
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booktitle = {Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing (EMNLP)},
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year = {2026}
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}
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