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Social media and_information_retrieval-1
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Social media and_information_retrieval-1

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  • 1. SOCIAL MEDIA and INFORMATION RETRIEVAL issues with finding people and ideas www.geoffsharp.com
  • 2. Current SNS have poor findability
      • For example, some of the most valuable material is embedded in discussion, questions & answers, and comments
      • However, search capability is limited to text search and some faceted searching, e.g. industry, country
      • Examples of poor searching on Social Media include:
        •   Facebook - hard to find fellow trombone players
        • Linkedin - Only very broad search on Q&A
        • Twitter - Only text search
  • 3. Search improved with the following
    • FEATURE
      • Structured content like XML
      • Separate Indexes for entities, e.g. Names, Dates, Metadata, geography, titles, authors
      • Boolean retrieval, not just relevance ranked text search
    • BENEFIT
      • Can segment entity fields in content
      • Can create inverted indexes for these fields
      • Can search on a combination of terms from titles, descriptors for improved precision