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Z39 Server and Z39.50 Gateway
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Z39 Configuration -2--2- Z39.50 Server Bath Profile conformance has been added to the Z39 Server. Z39 server supports Structure Attribute 1(phrase) and 2(word), as follows: Functional Area A, Level 0 Basic Bibliographic Search and Retrieval - full conformance. Functional Area A, Level 1 Basic Bibliographic Search and Retrieval - partial conformance.
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Z39 Configuration -3--3- Z39.50 Server Processing holdings information is no longer dependent on expand. There is a new service which converts holdings information into OPAC record syntax format.
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Z39 Configuration -4--4- Z39.50 Server - Configuration All configuration files were moved to./alephe/tab/z39_server
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Z39 Configuration -5--5- It is possible to define character conversion for input and output:. /alephe/tab/z39_server/z39_server_base COL.2 -Routine for input character conversion COL.3 -Routine for output character conversion Example: HEBREW_SEARCH 8859_8_TO_UTF UTF_TO_8859_8 USMARC Z39.50 Server - Configuration
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Z39 Configuration -6--6- Z39.50 Gateway From ALEPH 500_14.1, the Z39.50 Gate is part of the larger Ex Libris Universal Gateway, and therefore has new features and new definition files.
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Z39 Configuration -7--7- The Z39 Gateway as Part of the Universal Gateway UNIVERSAL Gateway Non ALEPH library ALEPH library PC Server WWW Server ALEPH GUI Clients WWW Clients Z39.50 Protocol ALEPH - Z39.50 Translation Z39 Gateway
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Z39 Configuration -8--8- The structural change allowed: - The introduction of new features, including the ability to optimize search queries (e.g., the normalization of Find and Scan requests) The Z39 Gateway as Part of the Universal Gateway
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Z39 Configuration -9--9- –To implement handling of holdings information obtained from the remote target (OPAC record syntax) The Z39 Gateway as Part of the Universal Gateway
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Z39 Configuration -10- Configuration components: Old (no change)./alephe/tab/z39_gate The /alephe/tab/z39_gate.conf files define Z39.50 attributes, and these files have not changed in structure or intent. New./alephe/gate The new alephe/gate contains *.conf files which define term transformation (input normalization). Z39 Gateway & the Universal Gateway: Structure and Configuration
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Z39 Configuration -11- Structural change: - The Z390n libraries, which were used for formatting tables and storing records retrieved through the z39_gate, are no longer in use. Z39 Gateway & the Universal Gateway: Structure and Configuration
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Z39 Configuration -12- The new structure is : -EXT0n libraries, which contain formatting tables (EXT01 – USMARC, EXT02 – UNIMARC etc.) –VIR01 library, which is used for temporary storage of records retrieved through the gate. -VIR00 library, which is used for Oracle tables required for the Universal Gate (mainly for future use) Z39 Gateway & the Universal Gateway: Structure and Configuration
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Z39 Configuration -13- VIR01 should be "emptied out" regularly (on a weekly basis). This can be performed by : - invoking util-x-8 ( Clean Virtual library utility) or - entering a line such as the following in the UTIL E/15/1 job_list file: 00 03:00:00 Y VIR01 clear_vir01 VIR01 Z39 Gateway & the Universal Gateway: New Features and Configuration
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Z39 Configuration -14- Holdings information display: 1. $alephe_gate/target.conf must have the following definition: holding-method OPAC 2../extnn/tab/edit_doc_999.lng must contain the following tag: ## ITM6 D LItem remote Y E Z39 Gateway & the Universal Gateway: New Features and Configuration
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Z39 Configuration -15- ITM6 - link for formatting remote holdings items data. Relevant only within EXTnn libraries. Z39 Gateway & the Universal Gateway: New Features and Configuration
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Z39 Configuration -16- Input normalization: It is possible to normalize input sent to the remote server in the following cases: - Find request - Scan request - Find performed on the remote database after the scan results are presented Z39 Gateway & the Universal Gateway: New Features and Configuration
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Z39 Configuration -17- Input normalization: Normalization is performed by the UNIVERSAL Gateway. Normalization components: 1. Transformation routines 2. Definitions in./alephe/gate/target.conf Z39 Gateway & the Universal Gateway: New Features and Configuration
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Z39 Configuration -18- Z39 Gateway & the Universal Gateway: New Features and Configuration Example: loc.conf
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Z39 Configuration -19- Example of a transformation routine: Transformation: 7 Parameters: special chars Purpose: remove part of the term starting from any special char from Parameters Example: the term before transformation: (Givat Ram [1999]) parameters: ([(<) *.the term after transformation: (Givat Ram) Note: Note: If the term starts from a special char, it is left unchanged. Z39 Gateway & the Universal Gateway: New Features and Configuration
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