TREC-1&2 - Interactive query mode

• Goal:

  • Gather data on general performance of interactive system; compare to fully automatic

• Searcher task:

  • Build initial test query
  • Refine using RF

• Topics:

  • 50 ad hoc (full topics with “concepts”)

• Required output:

  • 200 top docs from final query (1000 in TREC-2)

• Measures: precision & recall

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