aleph 500 union catalogue overview
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ALEPH 500 Union Catalogue Overview. Judy Levi Senior Product Analyst Ex Libris Ltd. [email protected]. November 2004. Session Overview. Union Catalogue Model OPAC views Union Catalogue Construction Load Equivalency Merge Union Catalogue and Universal Borrowing. - PowerPoint PPT PresentationTRANSCRIPT
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ALEPH 500Union Catalogue
OverviewJudy LeviSenior Product AnalystEx Libris [email protected] November 2004
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Union Catalogue Overview
Session Overview
• Union Catalogue Model• OPAC views• Union Catalogue Construction
• Load• Equivalency• Merge
• Union Catalogue and Universal Borrowing
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Union Catalogue Overview
Union Catalogue Model• A Union Catalogue is the physical union
of multiple individual library catalogs.
• The ALEPH Union Catalogue principles are• the source records can originate from
any library system (ALEPH or non-ALEPH)
• the original source record from each contributing library is retained
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Union Catalogue Overview
ALEPH Union Catalogue
• Each record has embedded holdings
• Each record contains a link to the source record
• There is real time display of circulation status
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Union Catalogue Overview
Union Catalogue – OPAC view
Let me show you
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
• A separate bibliographic record from each contributing institution
• Records contain local notes and embedded holdings
• Records are displayed as a single record (de-duplicated and merged)
• There is real time access to circulation status, via z39.50 or an ALEPH api
Union Catalogue – OPAC view
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
Union Catalogue – OPAC Search
• FIND
• BROWSE
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Union Catalogue Overview
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Union Catalogue Overview
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Union Catalogue Overview
Union Catalogue – Building
• Each contributing institution sends its new, updated or deleted records to the Union Catalogue.
• The records are loaded to the the Union Catalogue.
• Records are analyzed for equivalency (de-duplication)
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Union Catalogue Overview
ALEPHUnion Catalogue
Union Catalogue Construction
Contributors
A Import Load /
CatalogueNew/Update/Delete
B Create Equivalence
C Merge “Just in Time”
Equivalence Table (Z120)
IndicesOriginal Records
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Union Catalogue Overview
Union Catalogue [A] Load
• Records are stored as separate entities in the database.
• When loaded, an identifier to the external source record is added to the record, for simple updating and navigation to the external resource record.
• Indices are created using the standard ALEPH indexing services.
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Union Catalogue Overview
Union Catalogue [B] Equivalency
• An equivalence record links each bibliographic record to its equivalent records.
• ALEPH uses a sophisticated algorithm that was developed in conjunction with the California Digital Library (Melvyl) to identify duplicate (i.e. equivalent) records.
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Union Catalogue Overview
Union Catalogue [C] Merge• Result set from FIND is de-duplicated to
contain only one record per group of equivalent records.
• The Browse counter of the number of relevant records counts only one record per group of equivalent records.
• User View uses on-the-fly Merge to present a single record that is built from a group of equivalent records.
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Union Catalogue Overview
Universal Borrowing
• Universal Borrowing, at its fullest extent, is the ability to request, borrow and return material anywhere in a group of libraries that have banded together as a consortium.
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Union Catalogue Overview
Universal Borrowing
• It should be possible to fulfill the request as an Interlibrary Loan (i.e. a loan between libraries), or directly to the end-user (Direct Consortial Borrowing).
• Libraries running disparate library software systems must be able to ‘speak’ to each other, through standard protocols (ISO 10160 for ILL, and NCIP for DCB.)
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Union Catalogue Overview
Universal Borrowing in ALEPH
• Stage I: • Based on a requesting mechanism in
the Union Catalogue.• Handling between ALEPH libraries
only.
• Stage II:• Ability to handle walk-in patrons, with
no need to place a prior request.• Ability to ‘speak’ between ALEPH and
non-ALEPH systems.
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Union Catalogue Overview
Universal Borrowing in ALEPH
• User logs into the Union Catalogue, stating which is his home library.
• User places title- or volume-level request.
• User inputs requested pickup location.
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Union Catalogue Overview
Universal Borrowing in ALEPH
• Depending on the pickup location, the Universal Borrowing system identifies the best library for supply.
• The system checks whether a copy is available at the “best library”; if not, the system continues down the list of suppliers.
• The system sends a “create request” message to the owning library; the message contains user data.
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Union Catalogue Overview
Universal Borrowing in ALEPH
• The owning library fetches material, and sends it to the pickup site (transfer status).
• The pickup site informs user that material is waiting.
• The material is loaned to user at the pickup site; the loan transaction is performed at the owning library.
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Union Catalogue Overview
Universal Borrowing in ALEPH
• The user can return the material to any library in the consortium.
• The operator at point of return identifies the owning library and performs “return”.
• The material is discharged from user, and becomes “In Transit” status.
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Union Catalogue Overview
Thank You