metadata
license: cc-by-sa-4.0
language:
- pms
- it
task_categories:
- translation
pretty_name: Piedmontese–Italian Parallel Corpora and MT Evaluation
Piedmontese–Italian Parallel Corpora and MT Evaluation
Resources for the paper "When Metrics Miss the Language: MT Evaluation for Piedmontese" (submitted to CLiC-it 2026)
Contents
| File | Description | Size |
|---|---|---|
pmswiki_noleak.jsonl |
Cleaned Piedmontese Wikipedia dump (no overlap with mined MT dataset) | ~59k documents, ~4M tokens |
wiki_mined.csv |
Italian–Piedmontese parallel sentence pairs mined from Wikipedia via LaBSE alignment | 5304 pairs |
translations_merged.csv |
Italian–Piedmontese translation pairs from FLORES+ sentences with NLLB model outputs | 140 sentences |
Dataset Details
Piedmontese Wikipedia Corpus (pmswiki_clean.jsonl)
- Source: Piedmontese Wikipedia dump (01/02/2026)
- Cleaning: Articles were cleaned using
mwparserfromhell: removed categories, file/image links, wiki markup, URLs, section headers, image caption directives, pixel dimensions, ISO language code references etc. - Format: JSONL, one article per line with fields
id,title,text - Note: Deduplicated against the mined MT dataset
Mined MT Dataset (wiki_mined.csv)
- Source: Aligned Piedmontese–Italian Wikipedia article pairs via Wikidata interlanguage links
- Alignment: LaBSE cosine similarity ≥ 0.85; sentences between 5–100 words
- Columns:
pms(Piedmontese),it(Italian)
Translated Pairs (translations_merged.csv)
- Source sentences: Italian from FLORES+ dev set
- Reference: Human translations from Vico & Libovický (2026)
- MT outputs: Three NLLB conditions —
NLLB-avg,NLLB-avg+MT,NLLB-avg+DAE+MT - Columns:
flores_id,source,reference,translations_NLLB-avg,translations_NLLB-avg+MT,translations_NLLB-avg+DAE+MT
Language
- Piedmontese (ISO 639-3:
pms) — endangered Romance language of the Piedmont region in Italy - Italian (ISO 639-3:
ita)
License
CC BY-SA 4.0
Contact
Yulia Panchenko, yulia.panchenko@edu.unito.it