# wikipedia

Polish Wikipedia

## Dataset description
- **Source (upstream):** https://dumps.wikimedia.org/plwiki/latest/
- **Domain:** encyclopedic
- **Language:** Polish (pl)
- **License:** `CC-BY-SA-3.0`
- **Created (range):** 2001-01-15, 2026-06-14
- **Added:** 2026-06-15

## Licensing — traceable basis
Wikimedia dumps explicitly released under CC-BY-SA 3.0; attribution to contributors + share-alike preserved.

## Provenance
Pulled from SpeakLeash's public redistribution (`speakleash-ds-pub`, key `plwiki`) of the upstream source above. SpeakLeash credited as intermediate aggregator; upstream license/attribution preserved.

## Statistics
| documents | characters | tokens (tiktoken proxy) |
|---:|---:|---:|
| 1,171,897 | 1,844,707,761 | 707,194,207 |

## Filters applied (build_dynaword.py)
Minimal, per Dynaword guidelines (heavy filtering left to downstream use):
- drop documents < 200 chars: **296,738**
- drop non-Polish (diacritic ratio): **1,172**
- exact cross-source dedup (sha1): **113**
- OCR alpha-ratio < 0.70 (OCR sources only): **0**
- read 1,469,920 → kept 1,171,897

Token counts are a fast tiktoken (cl100k) proxy (~1% off Llama-3); the canonical
Llama-3 count is computed at release.