data/wikipedia/wikipedia.md

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.