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Lesson 2

Lesson 2. Technology: Federated Searching Explained. How It Plays Out . Searcher enters a single search into the federated search engine. women and sports. What does the user see? . A single research entry point A familiar interface A consistent search syntax. How It Plays Out.

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Lesson 2

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  1. Lesson 2 Technology: Federated Searching Explained

  2. How It Plays Out • Searcher enters a single search into the federated search engine women and sports

  3. What does the user see? • A single research entry point • A familiar interface • A consistent search syntax

  4. How It Plays Out • Federated search engine translates query into syntax of multiple resources women and sports wom#n and sport* (woman or women) and sport! women and sports

  5. How do they do it? Federated search engines translate single search query into syntax of multiple databases using: • Z39.50 • XML Gateways • HTTP Protocol • “Others”

  6. How It Plays Out • Individual resources execute search based on the query supplied by the federated search engine wom#n and sport* (woman or women) and sport! women and sports

  7. Multiple database searched • E-Journals • Abstracting and indexing databases • E-Books • Web • Online catalog(s) • Any other searchable online source

  8. What does the user see? • A friendly message indicating a search is in process

  9. How It Plays Out • Federated search engine aggregates results Results Results Results + Results Results Results Results

  10. How It Plays Out • Searcher receives a single list of all the results form all the resources searched by the federated search engine Results Results

  11. What does the user see? • Combined results of the search:

  12. Value added in results Federated search engines deliver results from multiple databases in a single list: • Standardized format • De-duped – Duplicate results from multiple source removed • Connect to fulltext using link resolvers • Relevancy ranked

  13. What does the user see? • A single, combined list of results:

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