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Overviews of the Library of Texas & ZLOT Project

Overviews of the Library of Texas & ZLOT Project. Dr. William E. Moen <wemoen@unt.edu> Principal Investigator. Presentation Overview. Characterize the Library of Texas Describe the ZLOT project Virtual libraries and services Focal ZLOT services Quick tour. The Library of Texas (LOT).

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Overviews of the Library of Texas & ZLOT Project

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  1. Overviews of the Library of Texas&ZLOT Project Dr. William E. Moen<wemoen@unt.edu> Principal Investigator

  2. Presentation Overview • Characterize the Library of Texas • Describe the ZLOT project • Virtual libraries and services • Focal ZLOT services • Quick tour ZLOT Focus Group Presentation

  3. The Library of Texas (LOT) • A program of • The Texas State Library and Archives Commission • The Telecommunication Infrastructure Fund Board • A statewide initiative building on • The evolving telecommunications infrastructure • Computing and networking technologies • The treasures and resources of Texas libraries • Overarching goal • Provide services that extend the reach and range of Texans to information • The Library of Texas website at: • http://castor.tsl.state.tx.us/lot/ ZLOT Focus Group Presentation

  4. Characterizing the LOT • A virtual library • An environment for provision of • Services • Resources • Not a digital library • Not all resources available are in digital/electronic form • An evolving product that responds to • Users’ needs • Available resources • Current and emerging technologies ZLOT Focus Group Presentation

  5. Initial components of LOT • Online databases • 60 databases • Full-text, reference materials, journals • Electronic archive of government information • Preserve electronic publications from state agencies • Comprehensive training • Training for use of online databases and other resources • Statewide virtual catalog – The ZLOT Project ZLOT Focus Group Presentation

  6. The LOT builds on …. • TexShare programs services • Interlibrary loan • Courier service • Online resources • TexTreasures • Card program • Education • Texas libraries’ resources ZLOT Focus Group Presentation

  7. ZLOT project • The Z Implementation Component of the Library of Texas • Planning and implementation of 3 components: • Virtual catalog • Integrating search and retrieval interface • Document delivery service framework • Demonstration of 1& 2 by August 2002 • The ZLOT Project website: • http://www.unt.edu/zlot ZLOT Focus Group Presentation

  8. ZLOT approach • Build consensus on functional requirements • Develop an overall architecture for LOT • Formalize the requirements in technical specifications • Demonstrate feasibility in proof of concept implementations You are here today to help us with the first step! ZLOT Focus Group Presentation

  9. ZLOT methodology • Conduct a technology inventory and readiness assessment of libraries • Build consensus on LOT requirements • Identifying functional requirements for LOT • Reviewing appropriate standards and technologies • Designing an overall LOT architecture • Documenting specifications for virtual catalog and integrating search and retrieval interface • Develop a document delivery service framework • Coordinate proof of concept implementations • Plan and conduct evaluation ZLOT Focus Group Presentation

  10. LOT Architecture • Services-based • Identifies components and their interaction in the support of virtual library services • The virtual catalog and integrating interface are tools to build services • The document delivery service framework addresses users’ need to obtain/access resource We need to identify the services and requirements ZLOT Focus Group Presentation

  11. Some VL services • Resource discovery services • Document delivery services • Reference services • Instruction services • Patron account services ZLOT Focus Group Presentation

  12. Virtual library architecture defined by needs of Services UserGroups respond to needs of Services offer & use resources Resources Resources are collected, organized, managed using technology Technology ZLOT Focus Group Presentation

  13. Focal services for ZLOT, 1 • Resource discovery services • Extends the reach and range of a user across • Organizational, collections, and format boundaries • A variety of tools and approaches for • Discovering the existence of appropriate resources • Identifying and selecting useful resources • Search and retrieval services are core • Single repository searching • Broadcast searching across similar repositories • Integrative searching across diverse resources ZLOT Focus Group Presentation

  14. Virtual catalog • Dynamic selection of one or more catalogs • Search using a common search interface provided by Z39.50 • Customized user interfaces for various audiences • Common searches prescribed by the Z Texas Profile and U.S. National Profiles ZLOT Focus Group Presentation

  15. Z39.50Client ZServer Catalog 1 ZClient ZServer Catalog 2 Single user search as multiple queries to multiple catalogs ZServer Catalog 3 ZServer Catalog 4 ZServer Catalog N Resulting Virtual Catalog UserInterface User perceives single search to single logical resource Z39.50-based virtual catalog ZLOT Focus Group Presentation

  16. Z Texas Profile searches • Prescribes a common set of searches to be supported by Z39.50 enabled catalogs • Level 0 • Basic keyword searches (author, title, subject, & any keyword) – recall oriented • Level 1 • More precision-oriented author, title, subject searches (e.g., exact match, phrase) • More recall-oriented searches (right truncation) • Date of publication search • Standard identifier search • ISBN, ISSN, Language, Format of Material searches ZLOT Focus Group Presentation

  17. Integrating search/retrieval • Dynamic selection of two or more resources • Library catalogs • Online databases (e.g., A & I databases, TRAIL) • Search using a common search interface provided by Z39.50 and other technologies • Customized user interfaces for various audiences ZLOT Focus Group Presentation

  18. Networked & Analog Information Resources Information RetrievalSystems Structured Representations Database Metadata IRSystem Digital Library Metadata Image Metadata IRSystem Virtual Museum Collection Metadata E-Journal Metadata IRSystem Printed Book Metadata Model of integrating search ZLOT Focus Group Presentation

  19. Focal services for ZLOT, 2 • Document delivery services • Getting the information to the user • Mediated and/or non-mediated services • Potential mechanisms • Interlibrary loan • Statewide virtual circulation approach (Ohio MORE) • Courier • Direct delivery to desktop for digital resources • Potential concerns? ZLOT Focus Group Presentation

  20. Generating requirements… • For the resource discovery services • For the document delivery services • Quick tour of • Colorado Virtual Library http://www.aclin.org/ • Virtual Illinois Catalog http://vic.lib.il.us/ • Kentucky Virtual Library http://www.kyvl.org/ Return to Focus Group Agenda ZLOT Focus Group Presentation

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