Social media and_information_retrieval-2


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Social media and_information_retrieval-2

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