Methodology - Source Selection

• Source Selection

  • a mechanism to distinguish data sources that can actually contribute to the answer of a query
  • goal: reducing false negatives

• Search Semantics

  • Exhaustive Search, All-Best Search, Sample-Best Search, Sample Search

• Measurements of Source Relevance

  • Overall size of the source documents
  • Content-Sensitive Source Selection
  • Capability-Sensitive Source Selection
  • Source Selection powered by Query Refinement

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