Introduction to Discovery Layers/Tools

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This presentation is about evaluation of discovery tools, what is the best discovery tools. Librarians may have other considerations when choosing a discovery tool. The content and searching are not included.

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Introduction to Discovery Layers/Tools

  1. 1. Introduction to Discovery Services/Tools Princeton-Trenton Chapter, Special Library Association Mercer Room Sharon Q. Yang Rider University 5/15/2013
  2. 2. What is a discovery tool? • Discovery layer, discovery layer user interface, standalone OPAC, discovery system, discovery service • Library user interface independent of any library systems • It can replace an OPAC or live side by side along an OPAC • Software as a service (SaaS) • Subscription-based
  3. 3. Discovery Services 1. AquaBrowser 2. Axiell Arena 3. Bibliocommons 4. Blacklight 5. EBSCO Discovery Service 6. eXtensible Catalog 7. Encore 8. Endeca 9. Enterprice 10. Primo 11. VuFind 12. Visualizer 13.WorldCat Local 14. SOPAC 15. Scriblio
  4. 4. Evaluation Criteria 1. One stop search 2. State of the art interface 3. Enriched content 4. Faceted navigation 5. Simple keyword search box with a link to advanced search 6. Simple keyword search box on every page 7. Relevancy based on circ statistics 8. Did you mean…? 9. Recommendation 10. User contribution 11. RSS 12. Integration with social networks 13. Perm links 14. Stemming/auto completion 15. Mobile interface 16. FRBR relationships
  5. 5. One Stop Searching, the Biggest Challenge? • EDS, Primo, Summon, WorldCat Local – unified index • Encore - connectors for real-time searching • Limited in content coverage • No discovery tool can claim 100% content coverage • Gray area (Primo and Encore do not publish their content coverage) • VuFind-Summon & WorldCat Local • Encore-EDS • AquaBrowser-360 Federated Search • Application Programming Interface (API)
  6. 6. Evaluation
  7. 7. Top Five Discovery Layers 1. Primo (Unified Index, relevancy & FRBR) 2. WorldCat Local (Unified Index & FRBR) 3. Encore (Live search through connectors/EDS or Summon Unified Index) 4. EBSCO Discovery Service (Unified index) 5. Summon (Unified Index)
  8. 8. Improvement of Discovery tools since 2010 0 2 4 6 8 10 12 2010 2013
  9. 9. The Most Improved Discovery Tools AquaBrowser, Primo, and WorldCat Local have shown the most improvement, each adding three features in a three year period.
  10. 10. Limitations? • Only user interface • Content coverage is not evaluated • Searching is not evaluated
  11. 11. Sharon Yang Associate Professor/Librarian Rider University

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