Query Log Mining notes

Enhancing Efficiency of Search Systems
• Caching

    Results: in answer to a user query
    Posting Lists : e.g. for the query “new york” cache the posting lists for term new and for term york
    Partial queries :cache subqueries, e.g. for “new york times” cache only “new york” Traditional
• Index Partitioning and Querying in Distributed IR Systems

   Balance the load?
   Better exploit resources?
   In light of...The Power Law!!!!

Enhancing Effectiveness of Search Systems
  Query intention
  Query recommendations
 • Spelling Correction
 • User Driven Web Design
 • Extracting Semantics from Queries

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