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Integration of ILL and Z39.50 Virtual Library Services session December 2000 ZIG Meeting Leif Andresen Danish National Library Authority and danZIG
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 2 danZIG vision: An integrated network based on communications standards with the functionality raised to a level, where all other electronic connection between library systems are unnecessary
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 3 Bibliographic attributes The danZIG profile specify the full list of search attributes used in Danish libraries: 50 BIB-1 use attributes 26 DAN-1 use attributes based on a specification of danMARC2 fields and subfields for each use attribute
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 4 Z39.50 Holdings Schema Z39.50 Holdings Schema, Version 1.1 of July 2000 Object identifier : 1.2.840.10003.13.7.1 http://lcweb.loc.gov/z3950/agency/defns/holdings.html The danZIG profile include a detailed specification for ESN B2 and B3
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 5 PresentRequest for Holdings The danZIG model: PresentRequest from client include: OID for Z39.50 Holdings Schema HoldingsESN-B2
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 6 Present of Holdings (1) Answer from National Union Catalogue include high level information and: targetLocationId unique identification in local system InstitutionOrSiteId library code networkAddress Z39.50 URL of local system
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 7 Present of Holdings (2) Answer from local library system include more detailed information and also: targetLocationId unique identification in local system InstitutionOrSiteId library code networkAddress Z39.50 URL of local system
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 8 Present of Holdings - next step (1) If more detailed information is requested : If client have detected that networkAddress in Holdings record differ from networkAddress of bibliographic record: PresentRequest with HoldingsESN- B3 is sent to target of local library
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 9 Present of Holdings - next step (2) If more detailed information is requested from National Union Catalogue : If client haven't detected that networkAddress in Holdings record differ from networkAddress of bibliographic record: PresentRequest with HoldingsESN- B3 is sent to target National Union Catalogue
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 10 Present of Holdings - next step (3) Two possibilities: The National Union Catalogue sent a HoldingsESN-B3 to local library target and and send the received ´Holdings record to client The National Union Catalogue sent a diagnostic 25: Not supported ESN
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 11 Bridge building to ILL Holdings information include identification for all levels: Bibliographic level: targetLocationId BibPart (journal issue or multi volume) level:targetBinPartId Physical item:targetPieceId
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 12 Z39.50/ILL Profile 1 The danZIG model is based on: Z39.50/ILL Profile 1 - Profile for the Use of Z39.50 Item Order Extended service to transport ILL protocols APDUs Include all transactions from the ISO ILL standard - ISO10161
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 13 ILL transactions - danZIG profile level 1 ILL Request For data processing based on the unique identification - e.g. targetLocationId - but without title, author, call number etc., which is for manual processing ILL Answer Status-Query Status-or-error-report
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 14 ILL over Z39.50 Z39.50 is used for moving ILL transactions from client to target The ILL transactions is routed through the Z39.50 target with no use of a task database Transaction-id in the ILL-request identify the pending request - not task-id ILL-transaction can use other routes
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Danish National Library AuthorityIntegration of ILL and Z39.50Slide 15 The integrated ILL solution One session Update own ILL-database Check holdings in target before request Answer from target in same session
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