skwiki-slovak-wit

Slovak-language image + caption pairs extracted from the Wikimedia WIT dataset, filtered to rows where a Slovak Wikipedia edition used the image.

Fields

• file_name: relative path to the image (imagefolder format)

• caption: the caption text (Slovak)

• caption_source: "reference" (the real visible caption under the image in the article) or "alt_text" (accessibility alt text, used as a fallback when no reference caption exists - generally thinner/more generic than a reference caption)

• quality_flag: null if the caption looks clean, otherwise one of:

  • junk: known non-descriptive scraping artifacts (e.g. "About this image" button text that got mistaken for a caption)
  • unrendered_template: a wiki template placeholder that was empty when the page rendered (e.g. literal {{{popis}}} text)
  • raw_markup: wikitext/HTML formatting parameters leaking through as caption text (e.g. align=center)
  • templated_generic: real but highly repetitive boilerplate captions, mostly from small-municipality infobox maps (e.g. "Mapa obce X")

  Rows are NOT filtered based on this flag - it's provided so you can decide what's appropriate for your use case, e.g. dataset.filter(lambda x: x["quality_flag"] is None) for a stricter subset.

• alt_text: the raw alt-text value, kept even when caption came from the reference field, for transparency/comparison

• page_title, page_url: the Slovak Wikipedia article the image appeared in

• source_image_url: original Commons image URL

• license: CC BY-SA 4.0 (dataset-wide, per WIT's license)

Stats

• 99,467 total rows
• 52,286 reference captions, 47,181 alt-text fallback
• 63,256 clean (quality_flag is null)
• Flagged breakdown:
• templated_generic: 34356
• junk: 1422
• unrendered_template: 385
• raw_markup: 48

Source & License

Derived from wikimedia/wit_base (CC BY-SA 4.0). Original images sourced from Wikimedia Commons via Slovak Wikipedia articles.