DEF Catalogue project

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DEF Catalogue project
ZIG meeting October 2001Leif Andresen
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DEF

• DEF Catalogue project is part of the Denmarks
  Electronic Research Library project - DEF
• a 5 year project
• 18 mio. project
• Highlights
• Licensing e-journals
• Upgrading library systems
• Portals and cross-catalogs

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DEF Catalogue project

• Testbed in 3 steps
• Gateway - Z39.50 client
• Further development
• Key participants are the 12 largest research
  libraries

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Testbed in 3 steps

• Using 2 different gateways
• 1. step test connection and any-
• search
• First month fundamental errors in all targets
• In few months a lots of bugs in programmes and
  set-ups corrected

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Testbed in 3 steps

• 2. step test library to library a
• comprehensive testsuite based on
• danZIG profile level 0 with a few
• more complex searches
• More bugs betrayed
• Many unreliable servers
• Problems response time

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Testbed in 3 steps

• 3. step test simultaneous
• searching in 12 databases
• More bugs betrayed
• To many errors in complex searches
• Still problems with response time on some targets

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Conclusions of testbed

• We need continuous surveillance of target -
  problems with reliability
• For production only the ANY search is (still)
  sufficient reliable
• Still bugs to correct

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DEF gatewayservice

• Part of the portal www.deff.dk
• Direct access defkat.dk
• Based on selections of levels in 26 different
  subjects
• only few core libraries
• also libraries with some less
• also libraries rather small
• all libraries

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Implementation details

• Access to major Danish reserach libraries and key
  foreign library systems BIBSYS, LIBRIS, British
  Library and Library of Congress
• Link to Request screen in owner librarys
  system
• Link to www.library.dk - public version of Danish
  N.U.C.

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New development

• Possibility for repeating search in
  www.library.dk
• For users without borrower card at owning
  library Possibility for direct link to
  requesting in www.library.dk
• For small result sets Simple duplicate
  detection and sorting by Title