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Z39 Intro

Z39 Intro. DigiTool Version 3.0. Overview. What is z39.50 ? “A network protocol which specifies rules that allow searching of a range of different databases and retrieval of records via one user interface.”. Introduction.

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Z39 Intro

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  1. Z39 Intro DigiTool Version 3.0

  2. Overview • What is z39.50? • “A network protocol which specifies rules that allow searching of a range of different databases and retrieval of records via one user interface.”

  3. Introduction The Information retrieval service definition describes as activity between two applications: 1. an initiating application, the client and a responding application, the server. 2. The server is associated with one or more databases.

  4. Introduction • Communication between the client and the server is carried out by the z39.50 protocol. • The specifications are logically divided into procedures pertaining to the client and procedures pertaining to the server. • The portions of the client and server that carry out the z39.50 protocol procedures are referred to respectively as the z39.50 origin and the z39.50 target.

  5. What’s so important about z39.50? • Powerful searching • Local familiar user interface • Retrieves structured data • Facilitates distributed applications

  6. DigiTool and z39.50 DigiTool provides two types of z39.50 services: 1. z39.50 server and 2. z39.50 gate

  7. DigiTool and z39.50 The z39.50 server: Allows remote z39.50 clients to interrogate the institution’s database and currently supports the z39.50-1995 (version 3) protocol, allowing for:

  8. DigiTool and z39.50 • Search (FIND) of keywords in word lists (user-defined) • Browse of indexes • Expand of specific records from a retrieved set. • Print/Save options.

  9. DigiTool and z39.50 Important: The 39.50 protocol is based on USMARC, which means that non-USMARC institutions must map their catalogs to USMARC if a z39.50 server is to be implemented.

  10. DigiTool and z39.50 The z39.50 gate: Handles the translation between the DigiTool system and z39 servers outside the system. This allows users to interrogate remote z39.50 compliant databases from the following modules:

  11. DigiTool and z39.50 Meditor • External search • Browse of External Headings

  12. Thank you! www.exlibrisgroup.com

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