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OPAC Search & Navigation

Explore the evolution of OPAC systems, the call for simplicity, and the upcoming NextGen innovations like Vivisimo search, Aquabrowser visual context, and RLG FRBR holdings. Learn about Endeca implementation challenges and the drive for improved user interfaces.

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OPAC Search & Navigation

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  1. OPAC Search & Navigation

  2. “OPAC Complainers” “There is certainly no dearth of OPAC complainers. You have Andrew Pace (OPACs suck), and Roy Tennant (You Can’t Put Lipstick on a Pig) writing and presenting about the need for change (more simplicity) in the OPAC world. I can appreciate their arguments for a simpler OPAC (not to mention the rest of the system) but other then present their arguments, neither has much in the way of suggestions nor have they sparked a movement among librarians or the automation vendors to do anything about the situation.” -ACRL Blog entry

  3. NextGen OPAC • The Next Generation OPAC is more than just a facelift • Vivisimo clustered search (demo) • Aquabrowser visual context (demo) • RLG FRBR combined holdings (demo) • Endeca faceted search (demo1 | demo2) • More products on the horizon • Innovative Interfaces “OPAC Pro” • SirsiDynix Enterprise Portal System • Ex Libris, Talis, et alWeb Services • OCLC Custom Worldcat

  4. Endeca, et al Relevance Ranking Faceted Browsing True Browsing (LC) Speed Spell-checking Automatic stemming “Did you mean…” Unicorn / Web2 Last-in / First-out Authority index links Query required As if… No No No Pursuit of Features

  5. Endeca Implementation Team Background: • The Libraries acquired Endeca ProFind software in May 2005. In anticipation of this acquisition, a Systems Department fellows project was assigned to Emily Lynema for 2005-2007 to work on Endeca implementation and integration with our Sirsi Unicorn catalog. Charge: The implementation group is charged to: • Review the documentation, software, and consult with Endeca implementation consultants to determine the range of issues associated with implementing Endeca ProFind • Work with Endeca QuickStart team on facilitating site visit to determine functional requirements to prepare their Technical Specifications document • Advise on integration and interface issues with Sirsi Unicorn • Facilitate librarywide review of interfaces; conduct usability testing

  6. Endeca Implementation Team Members Andrew Pace, Systems, Chair Cindy Levine, Research and Information Services Charley Pennell, Cataloging Shirley Rodgers, Systems Tito Sierra, Digital Library Initiatives Erik Moore, Systems, ex officio Emily Lynema, Systems, ex officio

  7. Online System Basic Architecture Offline Process Endeca DataFoundry Endeca NavigationEngine Endeca PresentationServer HTTP Raw Data Sources Navigation Engine Indices Data Foundry Configuration XML Endeca Studio Client Browser

  8. Tasks • Endeca Quickstart: Functional Requirements and Technical Specification • Deciding on the “Dimensions” • Sirsi Extract • User Interface

  9. Dimensions Search/Sort Properties: Pub Year, Document status (e.g. GovDocs), Circulation Total (sort by most popular) Properties: Title, added authors, publisher, format, item information, etc.

  10. Challenges • Using LCSH like it’s never been used before • Using LC Classification for collection browsing • Integration with Web2 and authority searching • Creeping Featuritis • FRBR (“Record Rollup”) • Authority File  Endeca Thesaurus • Uncharted territory

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