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{
  "license": "CC-BY-SA-4.0",
  "spdx": "https://spdx.org/licenses/CC-BY-SA-4.0.html",
  "status": "documented-open-cc-by-sa",
  "review_scope": "licence of contributors' text on pl.wiktionary and removal of quoted third-party text; not independent legal advice",
  "checked_at": "2026-10-05",
  "evidence_url": "https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use",
  "sha256": "913bdefc49f13fbb3d12b5402712b10739cede9d6f4a76e7ad49f3304772b434",
  "statement": "When you submit text to which you hold the copyright, you agree to license it under: Creative Commons Attribution-ShareAlike 4.0 International License (\"CC BY-SA 4.0\"), and GNU Free Documentation License (\"GFDL\")",
  "site_footer": {
    "url": "https://pl.wiktionary.org/wiki/dom",
    "sha256": "14a12e875b9ab07f33586f43fb2f9b98eda42110963471917df7d6dd62cedc28",
    "statement": "Tekst udostępniany na licencji Creative Commons: uznanie autorstwa, na tych samych warunkach, z możliwością obowiązywania dodatkowych ograniczeń.",
    "license_link": "https://creativecommons.org/licenses/by-sa/4.0/deed.pl"
  },
  "chain": [
    {
      "hop": "Wiktionary contributors -> Wikimedia Foundation",
      "basis": "Terms of Use: contributors license their text CC BY-SA 4.0 (CC BY-SA 3.0 before June 2023)",
      "mark": "V"
    },
    {
      "hop": "Wikimedia dump -> polish-dynaword",
      "basis": "plwiktionary-20261001-pages-articles.xml.bz2, sha1 a097f6e2b005d1235936a19ed8e800e29a6f2fad, matched to the published dump checksum",
      "url": "https://dumps.wikimedia.org/plwiktionary/20261001/",
      "mark": "V"
    },
    {
      "hop": "pre-June-2023 revisions under CC BY-SA 3.0 -> released as 4.0",
      "basis": "CC BY-SA 3.0 §4(b) lets an adaptation be licensed under a later version with the same elements",
      "url": "https://creativecommons.org/licenses/by-sa/3.0/legalcode",
      "mark": "I"
    }
  ],
  "attribution": "author = \"Wikisłownik contributors, <page URL>\"; the page history names the contributors (CC BY-SA 4.0 §3(a)(2) allows a URI)",
  "finding": "Contributors' own usage examples are CC BY-SA 4.0. Quotations from third-party works (used on Wiktionary under the Art. 29 quotation right) are not, and are dropped: lines with {{źródło}}/<ref>, lines naming a source by hand, and excerpts marked (…).",
  "release_scope": {
    "pages_scanned": 869406,
    "polish_entries": 116157,
    "entries_with_examples": 31094,
    "lines_dropped_cited": 32664,
    "lines_dropped_hand_attributed": 319,
    "lines_dropped_under_10_chars": 50,
    "lines_kept": 45212,
    "documents_200_chars_or_more": 1829,
    "documents_released": 1818,
    "dropped_duplicates": 11
  },
  "audit_trail": "wiktionary_examples.citations.jsonl, written by the fetcher next to its output, not part of the corpus: per entry, the sources of its dropped lines (199 dropped lines carry a citation marker with no source text)",
  "quotation_sample": {
    "file": "wiktionary_examples.quotation-sample.jsonl",
    "checked_at": "2026-10-05",
    "method": "random.seed(20261005); random.sample(non-empty lines of the released parquet in row order, 100); each line searched on the web as an exact phrase (the whole line or its most distinctive 10-15 words); a second span was searched when the first gave nothing conclusive, and for every line of rows 51-75; the file records the logged queries",
    "seed": 20261005,
    "lines_in_release": 7749,
    "lines_sampled": 100,
    "classes": {
      "mirror_only": 44,
      "none": 41,
      "generic": 13,
      "copied_from_wiktionary": 1,
      "paraphrase_not_verbatim": 1
    },
    "quotations_found": 0,
    "upper_bound_95": "3.7% of released lines (Wilson, 0/100)",
    "limits": "web search only: printed or paywalled sources that are not indexed cannot match; the search engine does not strictly enforce exact-phrase queries"
  },
  "not_checked": [
    "quotations pasted without any source marker: the filter cannot see them; a 100-line web sample found none (quotation_sample)",
    "whether a contributor's example paraphrases a protected text",
    "the 3.0 -> 4.0 relabel of pre-2023 text (inferred from 3.0 §4(b), not reviewed by a lawyer)",
    "GFDL dual licensing; only the CC BY-SA grant is relied on",
    "personal data in example sentences (NERGAL scrub runs before release)"
  ]
}