Jürgen Kett, Sarah Beyer, Mathias Manecke, Yvonne         Jahns, and Lars G. Svensson         The Deutsche Nationalbibliog...
The world is going digital and many         organisations use this as an opportunity         to optimise their data curati...
Everyone here knows that libraries have         high-quality data of interest to many                                     ...
It is difficult for non-libraries to access         and re-use library data                                               ...
Library data should be an integral part    of the WWW6
In the DNB, we decided to publish the         national bibliography as linked open         data                      Dewey...
Requirements of a national bibliography in    the 21st century must measure themselves    on data use and re-use in the WWW9
Users of a national bibliography build on          four basic properties          – Data completeness and reliability     ...
The WWW increasingly mutates to an          open space for data exchange which is                                         ...
The consequences of this are manifold                  We will never know if we have collected all relevant               ...
14                                                                                    be a graph in the WWW               ...
The boundaries of a national bibliography     are hard to define15
The national bibliography will          increasingly depend on data not curated          by the national library16 | 27   ...
The road to WWW integration goes          through linked open data                                                        ...
The DNB publishes ~70% of its data as     linked open data                    ZDB           GND                 Music     ...
The national bibliography is seen as     subset of the catalogue and is accessible     over the same user interface20
A range of services are available to      access that data     Reading room      Online Catalogue     Reference and     Pr...
A coherent indexing policy with          controlled access points make it easier          to extract relevant data sets22 ...
Library data tends to be hard to access                                                                                   ...
In the DNB, we decided to solve this by     publishing the national bibliography as     linked open data              Dewe...
We do this because we firmly believe          that this data is useful to others and we                                   ...
Linked open bibliographies: Where                                                                                   http:/...
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The Deutsche Nationalbibliografie as linked open data

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This presentation was held at the World Library and Information Conference 2012 in Helsinki. It is a companion to the position paper by Jürgen Kett et al. (http://nbn-resolving.de/urn:nbn:de:101-2012052306) which discusses the requirements on a national bibliography in the 21st century. The paper argues that a national bibliography needs to integrate itself into the World Wide Web, since this is where information exchange takes place today. This should be made using linked data technologies and the data should be published under an open license. As a case study, we present the work done at the Deutsche Nationalbibliothek, where circa 70% of the database is already published as linked open data.

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The Deutsche Nationalbibliografie as linked open data

  1. 1. Jürgen Kett, Sarah Beyer, Mathias Manecke, Yvonne Jahns, and Lars G. Svensson The Deutsche Nationalbibliografie as linked open data: Applications and opportunities WLIC 2012 Session 215: What is a national bibliography today?1 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  2. 2. The world is going digital and many organisations use this as an opportunity to optimise their data curation 10001001010111010110101 http://upload.wikimedia.org/wikipedia/commons/a/aa/Jean_sibelius.jpg 10110101101010010101101 01010100001010101101101 01010010101010101010010 10101111101011001000100 10101110101101011011010 11010100101011010101010 00010101011011010101001 01010101010100101010111 11010110010001001010111 01011010110110101101010 01010110101010100001010 10110110101010010101010 101010010101011111010113 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  3. 3. Everyone here knows that libraries have high-quality data of interest to many Photo by Beatrice Murch: http://flickr.com/photos/blmurch/465623933/ other organisations4 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  4. 4. It is difficult for non-libraries to access and re-use library data MARC ? Z39.50 ?5 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  5. 5. Library data should be an integral part of the WWW6
  6. 6. In the DNB, we decided to publish the national bibliography as linked open data Dewey DDC (German) VIAF .info Wikipedia Phononet BL ISBN DNB-Titles ISSN LCSH MVB ISMN GND ZDB-Titel RAMEAU Other DNB- suppliers Items WorldCat- urn:nbn:de Titles7 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  7. 7. Requirements of a national bibliography in the 21st century must measure themselves on data use and re-use in the WWW9
  8. 8. Users of a national bibliography build on four basic properties – Data completeness and reliability – Data currentness – Referentiability – Persistence10 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  9. 9. The WWW increasingly mutates to an open space for data exchange which is Photo by schoeband (CC BY-NC-ND: http://www.flickr.com/photos/schoeband/4401225347/sizes/l/in/photostream/ (almost) impossible to control11 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  10. 10. The consequences of this are manifold We will never know if we have collected all relevant publications There will be much machine-generated metadata (bad, but not useless) Semantic interoperability will be more important than adherence to cataloguing rules We will need to version metadata We will need worldwide unique persistent identifiers for (electronic) publications and for authority records12 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  11. 11. 14 be a graph in the WWW In Future, the national bibliography willPicture by Beercha CC BY: http://www.flickr.com/photos/vendene/4285542155/sizes/m/in/photostream/
  12. 12. The boundaries of a national bibliography are hard to define15
  13. 13. The national bibliography will increasingly depend on data not curated by the national library16 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  14. 14. The road to WWW integration goes through linked open data http://richard.cyganiak.de/2007/10/lod/lod-datasets_2011-09-19_colored.png17 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  15. 15. The DNB publishes ~70% of its data as linked open data ZDB GND Music Exile Titles collec-19 tion
  16. 16. The national bibliography is seen as subset of the catalogue and is accessible over the same user interface20
  17. 17. A range of services are available to access that data Reading room Online Catalogue Reference and Printed or PDF Version of National archival Bibliography service Printed Title Cards Uniform Resource Name: URN Service Search and Retrieve and Update (SRU) Data APIs and Open Archive Initiative (OAI) self service Linked Data-Linking Datashop /RSS-Feed Current updates of National Database: Data Bibliography and new release service preparation and Authority Data Dumps and update service data dumps Dump of complete Data in Linked Data RDFxml21 Special selections
  18. 18. A coherent indexing policy with controlled access points make it easier to extract relevant data sets22 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  19. 19. Library data tends to be hard to access Picture ny Ed Brydon: http://www.flickr.com/photos/edbrydon/4073144654/sizes/l/in/photostream/ and re-use while it really should be an integral part of the WWW24 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  20. 20. In the DNB, we decided to solve this by publishing the national bibliography as linked open data Dewey DDC (German) VIAF .info Wikipedia Phononet BL ISBN DNB-Titles ISSN LCSH MVB ISMN GND ZDB-Titel RAMEAU DNB- Items WorldCat- urn:nbn:de25 Titles
  21. 21. We do this because we firmly believe that this data is useful to others and we http://www.gedankenkonsum.de/wp-content/uploads/2011/03/the-future.jpg encourage anyone to use it26 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012
  22. 22. Linked open bibliographies: Where http://upload.wikimedia.org/wikipedia/commons/4/4d/Tim_Berners-Lee_CP_2_head_crop.jpg Callimachos meets Tim Berners-Lee27 | 27 | Deutsche Nationalbibliografie als Linked Open Data | August 16, 2012

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