Datasets:
wikibooks
Polish Wikibooks (open textbooks)
Dataset description
- Source (upstream): https://pl.wikibooks.org/
- Domain: instructional
- Language: Polish (pl)
- License:
CC-BY-SA-3.0 - Created (range): 2004-01-01, 2025-12-31
- Added: 2026-07-02
Licensing — traceable basis
Wikibooks content is released under CC-BY-SA 3.0; attribution + share-alike preserved.
Provenance
Fetched directly from the official Wikimedia dump (plwikibooks-latest-pages-articles) by src/fetch_wikimedia.py; mainspace only, wikitext stripped via mwparserfromhell.
Statistics
| documents | characters | tokens (tiktoken proxy) |
|---|---|---|
| 9,112 | 38,892,589 | 15,571,295 |
Per-document license metadata
| license | documents |
|---|---|
CC-BY-SA-3.0 |
9,112 |
Author metadata present for 0 documents. Empty values mean the upstream record did not expose a machine-readable author field.
Statistics were recomputed directly from the released parquet file.
Filters applied (build_dynaword.py)
Minimal, per Dynaword guidelines (heavy filtering left to downstream use):
- drop documents < 200 chars: 0
- drop non-Polish (diacritic ratio): 0
- exact cross-source dedup (sha1): 0
- OCR alpha-ratio < 0.70 (OCR sources only): 0
- read 9,112 → kept 9,112
Token counts are a fast tiktoken (cl100k) proxy (~1% off Llama-3); the canonical Llama-3 count is computed at release.