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Information retrieval system!

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IR System

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Information retrieval system!

  1. 1. Purpose of Indexing &Information Retrieval System Indexes Prepared by: Jane L. Garay
  2. 2. General Purposes of Indexing• To construct representations, of documents in a form that is suitable to the users to browse .• To maximize the searching success of the users.• To minimize the time and effort in finding information.
  3. 3. Information Retrieval System Indexes
  4. 4. Information Retrieval Selective, systematic recall oflogically stored information.
  5. 5. Purpose of Information Retrieval Collect and organize information inone or more subject areas.
  6. 6. Information Retrieval System Set of operations, procedures by whichdocumentary units are indexed the resultingrecords are stored and displayed and so canbe retrieved.
  7. 7. 6 Distinct Functions(1) Acquisition of the necessary and appropriate documents.(2) Preparation and representation of the content of those documents.(3) Coding of the content indicators.
  8. 8. (4) Organized storage of those documents and their indicators in separate files.(5) Development of operational search strategies .(6) Physical dissemination of the retrieval results.
  9. 9. Acquisition of documents Content Analysis Content Representation Coding of Content Functions of an indicators Information Creation of a documentfile and a representation Retrieval System fileCreation of operational search strategiesPhysical dissemenation of retrieved results Stop
  10. 10. THANK YOU! 

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