Brief documentation on datasets

Please see the URLs below or ask the KB to get access to the datasets.

Meertsens 17th century newspapers

• Content: 6.425 newspapers from the 17th century.
• URL: None, articles are added to https://www.delpher.nl/nl/kranten. News item: https://www.meertens.knaw.nl/cms/nl/nieuws-agenda/nieuws-overzicht/278-2020/146210-crowdsourcing-maakt-zeventiende-eeuwse-kranten-op-delpher-beter-doorzoekbaar
• Gist of it: it contains OCRed texts and ground truth (both as plain text)

DBNL OCR

• Contents: 220 books.
• URL: https://lab.kb.nl/dataset/dbnl-ocr-data-set.
• Gist of it: it contains OCRed texts (.txt) and ground truth (.tei).

IMPACT

• Contents: ~4.5k pages from varied sources
• URL: https://lab.kb.nl/dataset/ground-truth-impact-project.
• Gist of it: it contains tiff images and ground truth in XML Page format.

IMPACT Books

• Contents: 2055 book pages, ranging from 1630 until 1796 from Early Dutch Books Online and Digitale Topstukken
• URL: https://lab.kb.nl/dataset/ground-truth-impact-project.
• Gist of it: it contains tiff images and ground truth in XML Page format.

IMPACT ANP

• Contents: 205 typewritten radio bulletins from 1937, from Delpher
• URL: https://lab.kb.nl/dataset/ground-truth-impact-project.
• Gist of it: it contains tiff images and ground truth in XML Page format.

IMPACT Surf

• Contents: 2k pages from newspapers.
• URL: None (in Surf), but used here https://lab.kb.nl/about-us/blog/%E2%80%8Bnewspaper-ocr-quality-–-what-do-we-have-and-how-can-we-improve-it
• Gist of it: it contains two OCR versions and two ground truth versions, all in ALTO.