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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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Presentation on theme: "Integration of ILL and Z39.50 Virtual Library Services session December 2000 ZIG Meeting Leif Andresen Danish National Library Authority and danZIG."— Presentation transcript:

1 Integration of ILL and Z39.50 Virtual Library Services session December 2000 ZIG Meeting Leif Andresen Danish National Library Authority and danZIG

2 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

3 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

4 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

5 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

6 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

7 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

8 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

9 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

10 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

11 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

12 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

13 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

14 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

15 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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