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The Royal Library, Denmark

The Royal Library, Denmark. - Copenhagen University Library since 1482 - The Kings Library since 1660 - National Deposit Library since 1697 - Public Library since 1793 - 150 kilometres printed matters electronic databases and periodicals 500 employees

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The Royal Library, Denmark

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  1. The Royal Library, Denmark • - Copenhagen University Library since 1482 • - The Kings Library since 1660 • - National Deposit Library since 1697 • - Public Library since 1793 • - 150 kilometres printed matters • electronic databases and periodicals • 500 employees • ------------------------------------- • Henrik Laursen, research librarian (hhl@kb.dk) • - Mads Henriksen, bachelor in philosophy (mhe@kb.dk) Henrik Laursen

  2. The incentive Subject catalogues from many merged libraries Subject catalogues from many periods Some subject catalogues are also shelf lists - with 3 sub-catalogues for different formats Historical knowledge is a prerequisite The project files includes 3 catalogues: Foreign books catalogue from 1486 – 1950 Systematic catalogue 1: 1950 – 1995 Systematic catalogue 2: 1995  Henrik Laursen

  3. Why now? Retro-digitalization The foreign books catalogue from 1486 – 1950 is under digitalization. The books are searchable by author, title and shelf number. But not by subject. The catalogue covers 400.000 books. Henrik Laursen

  4. The means Topic maps Topic is in our case the subject classification. The topics are scoped in Danish, English, alternative name, alternative spelling and classification code . Occurrence is a search-string in the online library base for books with the specific classification. Other occurrences could be references to online reference works. Associations are in the project limited to two types: ”Super-subclass” and ”Search also” Henrik Laursen

  5. The conversion process • OCR of the typewritten catalogues using FineReader in ”count spaces”-mode • proofreading, esp. correcting indentation • running a perlscript that catches the hierarchical structure of the catalogues and prints a XML file • the resulting topicmap conforms to the ISO standard following the XTM1.dtd, the XML interchange syntax for ISO 13250 Topic Maps) Henrik Laursen

  6. The 3-format catalogue Henrik Laursen

  7. Topic example <topic id="BYH-SK2"> <instanceOf><topicRef xlink:href="#sk2"/></instanceOf> <instanceOf><topicRef xlink:href="#filosofi"/></instanceOf> <baseName><scope><topicRef xlink:href="#da"/></scope> <baseNameString>Etik</baseNameString></baseName> <baseName><scope><topicRef xlink:href="#en"/></scope> <baseNameString>Ethics</baseNameString></baseName> <baseName><scope><topicRef xlink:href="#alternativ"/></scope> <baseNameString>Moral</baseNameString></baseName> <baseName><scope><topicRef xlink:href="#signatur"/></scope> <baseNameString>BC</baseNameString></baseName> <occurrence> <resourceRef xlink:href="https://rex.kb.dk/F?func=find-c&amp;local_base=kgl01&amp;ccl_term=wkl=BYH"/> </occurrence></topic> Henrik Laursen

  8. Association example <association id="BCL-IKI-SK2"> <instanceOf> <topicRef xlink:href="#see-also"></topicRef> </instanceOf> <member> <roleSpec> <topicRef xlink:href="#referred-from"></topicRef> </roleSpec> <topicRef xlink:href="#BCL-SK2"></topicRef> </member> <member> <roleSpec> <topicRef xlink:href="#referred-to"></topicRef> </roleSpec> <topicRef xlink:href="#IKI-SK2"></topicRef> </member> </association> Henrik Laursen

  9. Conclusions 1 • TM creates coherence within the catalogues • TMs are scalable 1: new catalogues can be included • TMs are scalable 2: new associations ad libitum • User friendliness: limit your search to a single subject in one catalogue or extend it to more subjects in more catalogues. • Are scalable 3: subject specific thesauri can be added Henrik Laursen

  10. Conclusions 2 Off spin without a topicmaps engine: • subject hierarchy added to the online database • subject search through different formats • searchable catalogues as html-pages Henrik Laursen

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