Best Bets: Improving Search to High Demand Resources

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Lightning talk describing an implementation of Best Bets in a library search engine.

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Best Bets: Improving Search to High Demand Resources

  1. 1. Best Bets: Improving Search to High Demand Resources Tito Sierra NCSU Libraries Code4Lib 2007
  2. 2. Best Bets Concept <ul><li>Analyze your search logs to see what people are search for most </li></ul><ul><li>Build a custom index for these items </li></ul><ul><li>Integrate it with your website search to make your users happy! </li></ul>
  3. 3. Search Behavior at NCSU Libraries
  4. 4. Top Search Terms <ul><li>citation builder </li></ul><ul><li>circulation </li></ul><ul><li>copyright </li></ul><ul><li>refworks </li></ul><ul><li>web of science </li></ul><ul><li>jstor </li></ul>
  5. 5. Search Stats <ul><li>Top 100 search queries account for 30.2% of all searches </li></ul><ul><li>Top 50 search queries account for 26.3% of all searches </li></ul><ul><li>Top 20 search queries = </li></ul><ul><li>21.8% of all searches </li></ul>
  6. 6. Best Bets Implementation
  7. 7. Best Bets at NCSU
  8. 8. Best Bets at NCSU
  9. 9. Best Bets at NCSU <ul><li>Quick Search module focused on high demand resources </li></ul><ul><li>50 total Best Bets </li></ul><ul><li>Mix of </li></ul><ul><ul><li>Popular databases (‘Web of Science’) </li></ul></ul><ul><ul><li>Services (‘Course Reserves’) </li></ul></ul><ul><ul><li>Library information (‘Library Hours’) </li></ul></ul>
  10. 10. Implementation <ul><li>Small XML files </li></ul><ul><ul><li><title> </li></ul></ul><ul><ul><li><description> </li></ul></ul><ul><ul><li><link> </li></ul></ul><ul><ul><li><keywords> </li></ul></ul><ul><li>Indexed with SWISH-E </li></ul>
  11. 11. Key Benefits <ul><li>Force popular resources to the top of search results </li></ul><ul><li>Best Bets for items that aren’t included in your Web search crawl </li></ul><ul><li>Custom <keywords> field enables matching on misspellings or synonyms (e.g. Lexus Nexus) </li></ul><ul><li>Custom description displays </li></ul>
  12. 12. Best Bets Usage <ul><li>Quick Search click tracking by module </li></ul>
  13. 13. Best Bets Usage <ul><li>Best Bets account for 16.6% of all search results clicks in the last 12 months </li></ul>
  14. 14. Advanced Analytics <ul><li>Local logging of all serves and clicks </li></ul><ul><li>High click % is good </li></ul><ul><li>Low click % is bad </li></ul><ul><li>Use click % data to improve Best Bets performance </li></ul>

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