reichsanzeiger-gt

Ground truth for German newspaper "Deutscher Reichsanzeiger und Preußischer Staatsanzeiger" (1819–1945)

https://github.com/ub-mannheim/reichsanzeiger-gt

Science Score: 57.0%

This score indicates how likely this project is to be science-related based on various indicators:

  • CITATION.cff file
  • codemeta.json file
    Found codemeta.json file
  • .zenodo.json file
    Found .zenodo.json file
  • DOI references
    Found 3 DOI reference(s) in README
  • Academic publication links
    Links to: zenodo.org
  • Academic email domains
  • Institutional organization owner
    Organization ub-mannheim has institutional domain (www.bib.uni-mannheim.de)
  • JOSS paper metadata
  • Scientific vocabulary similarity
    Low similarity (7.3%) to scientific vocabulary

Keywords

fraktur ground-truth latin-language newspaper ocr ocr-d-level-2
Last synced: 6 months ago · JSON representation

Repository

Ground truth for German newspaper "Deutscher Reichsanzeiger und Preußischer Staatsanzeiger" (1819–1945)

Basic Info
  • Host: GitHub
  • Owner: UB-Mannheim
  • License: cc0-1.0
  • Language: Shell
  • Default Branch: main
  • Homepage:
  • Size: 34.4 MB
Statistics
  • Stars: 9
  • Watchers: 4
  • Forks: 3
  • Open Issues: 0
  • Releases: 2
Topics
fraktur ground-truth latin-language newspaper ocr ocr-d-level-2
Created over 3 years ago · Last pushed over 1 year ago
Metadata Files
Readme License Zenodo

README.md

reichsanzeiger-gt

DOI 10.5281/zenodo.10144428

Ground truth for German newspaper "Deutscher Reichsanzeiger und Preußischer Staatsanzeiger" (German Imperial Gazette and Prussian Official Gazette), which was published under changing names from 1819 to 1945 (https://digi.bib.uni-mannheim.de/periodika/reichsanzeiger/ausgaben).

The ground truth is provided as PAGE-XML and URLs for the corresponding newspaper scans/images. Use the provided bash-script to download the images.

Images:

Images can be downloaded via script

./download_images.sh

Quantity:

  • 197 single newspaper pages
  • 119 429 ground truth lines

Period:

1820–1939

Font / Writing class:

Fraktur, Latin

Languages:

German, English, French, Portuguese, Italian, Latin

Transcription guidelines:

All transcriptions were created using Transkribus. The transcription rules are based on the OCR-D transcription guidelines Level 2 with some exceptions (see below):

Special characters: - Long s (ſ) - Currency symbols: German Mark (ℳ) and Pfennig (₰), $, £ - Fractions (¼ ½ ¾ ⅐ ⅑ ⅒ ⅓ ⅔ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅛ ⅜ ⅝ ⅞) - Fraction slash (⁄) (U+2044), if - can't be transcribed by a unicode fraction representation - numerator and denominator are not on the same baseline height - R rotunda (ꝛ) - Combining Latin Small Letter E for old German Umlaut ( ͤ ) - Dagger (†) - Black Right Pointing Index (☛) - Black Left Pointing Index (☚) - White square (□) - Superscript Numbers 0-9 (⁰¹²³⁴⁵⁶⁷⁸⁹)

Normalizations: - Roman numerals ⅠⅤ Ⅹ Ⅼ Ⅽ Ⅾ Ⅿ --> I V X L C D M
- Em dash (—) instead of En dash (–) - Asterisk (*) used for both standard asterisk (*) and tear-drop asterisk (✽)

Additional characters transcribed true to original (contrary to OCR-D Level 2): - Double oblique hyphen (⸗)

Funding

This revision is predominantly funded by the German Research Foundation (DFG).

Links

Owner

  • Name: Universitätsbibliothek Mannheim
  • Login: UB-Mannheim
  • Kind: organization
  • Email: info.ub@uni-mannheim.de
  • Location: Mannheim, Germany

Mannheim University Library

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Last synced: 10 months ago

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  • Average time to close issues: about 1 month
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  • Average comments per issue: 2.0
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Top Authors
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  • stweil (1)
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  • shigapov (1)
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