Delpher www.delpher.nl Online database Dutch books

Delpher
www.delpher.nl
Online database
Dutch books, newspapers, magazines
Free access, metadata and full text search
Contents of Delpher
• 8 million pages newspapers (1618 – 1995)
• 1,5 million pages magazines (1840-1950)
• 150.000 books (1700 – 1929)
• 1,5 million pages radio news reels (1937 – 1984)
Added value of digitisation
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Accessible always and everywhere
Search in metadata and full text
Time saving
Conservation of originals
• New search questions
• Digital Humanities
Digital humanities
• Harvesting by OAI-PMH or SRU
Examples:
• Sentiment mining
• Statistical research for language evolution
• Tekst mining (word lists)
• Etc.
Issues
• Selection and omissions
• OCR mistakes
OCR
Optical Character Recognition
Auto ongeval.
Dokter Sikmans auto reed iv
Batavia twee personen aan, die
beiden geblesseerd werden.
(1910)
OCR
VVt Venetien den 1.Junij,
Anno 1618.
DJgn i f paffato te S' aö'Jifeert
mo?üen/bah
.)etgi'uotbciraetail)i.r/Jtmelch
ontDecht te /
OCR
Issues:
• Historical fonds:
gotic
• Yellowing
• Faded ink
• Binding
www.delpher.nl
Huibert Crijns
[email protected]